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alsa-2025:18318
Vulnerability from osv_almalinux
Published
2025-10-20 00:00
Modified
2025-10-22 10:27
Summary
Moderate: kernel security update
Details
The kernel packages contain the Linux kernel, the core of any Linux operating system.
Security Fix(es):
- kernel: KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush (CVE-2025-38351)
- kernel: sunrpc: fix client side handling of tls alerts (CVE-2025-38571)
- kernel: eventpoll: Fix semi-unbounded recursion (CVE-2025-38614)
- kernel: ipv6: reject malicious packets in ipv6_gso_segment() (CVE-2025-38572)
- kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)
- kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path (CVE-2025-39841)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
{
"affected": [
{
"package": {
"ecosystem": "AlmaLinux:10",
"name": "kernel-abi-stablelists"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "6.12.0-55.40.1.el10_0"
}
],
"type": "ECOSYSTEM"
}
]
},
{
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"name": "kernel-doc"
},
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{
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{
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{
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"details": "The kernel packages contain the Linux kernel, the core of any Linux operating system. \n\nSecurity Fix(es): \n\n * kernel: KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush (CVE-2025-38351)\n * kernel: sunrpc: fix client side handling of tls alerts (CVE-2025-38571)\n * kernel: eventpoll: Fix semi-unbounded recursion (CVE-2025-38614)\n * kernel: ipv6: reject malicious packets in ipv6_gso_segment() (CVE-2025-38572)\n * kernel: efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare (CVE-2025-39817)\n * kernel: scsi: lpfc: Fix buffer free/clear order in deferred receive path (CVE-2025-39841)\n\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.\n",
"id": "ALSA-2025:18318",
"modified": "2025-10-22T10:27:59Z",
"published": "2025-10-20T00:00:00Z",
"references": [
{
"type": "ADVISORY",
"url": "https://access.redhat.com/errata/RHSA-2025:18318"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-38351"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-38571"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-38572"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-38614"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-39817"
},
{
"type": "REPORT",
"url": "https://access.redhat.com/security/cve/CVE-2025-39841"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2382059"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2389480"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2389491"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2389517"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2395805"
},
{
"type": "REPORT",
"url": "https://bugzilla.redhat.com/2396944"
},
{
"type": "ADVISORY",
"url": "https://errata.almalinux.org/10/ALSA-2025-18318.html"
}
],
"related": [
"CVE-2025-38351",
"CVE-2025-38571",
"CVE-2025-38614",
"CVE-2025-38572",
"CVE-2025-39817",
"CVE-2025-39841"
],
"summary": "Moderate: kernel security update"
}
CVE-2025-38614 (GCVE-0-2025-38614)
Vulnerability from cvelistv5 – Published: 2025-08-19 17:03 – Updated: 2025-11-03 17:40
VLAI?
EPSS
Title
eventpoll: Fix semi-unbounded recursion
Summary
In the Linux kernel, the following vulnerability has been resolved:
eventpoll: Fix semi-unbounded recursion
Ensure that epoll instances can never form a graph deeper than
EP_MAX_NESTS+1 links.
Currently, ep_loop_check_proc() ensures that the graph is loop-free and
does some recursion depth checks, but those recursion depth checks don't
limit the depth of the resulting tree for two reasons:
- They don't look upwards in the tree.
- If there are multiple downwards paths of different lengths, only one of
the paths is actually considered for the depth check since commit
28d82dc1c4ed ("epoll: limit paths").
Essentially, the current recursion depth check in ep_loop_check_proc() just
serves to prevent it from recursing too deeply while checking for loops.
A more thorough check is done in reverse_path_check() after the new graph
edge has already been created; this checks, among other things, that no
paths going upwards from any non-epoll file with a length of more than 5
edges exist. However, this check does not apply to non-epoll files.
As a result, it is possible to recurse to a depth of at least roughly 500,
tested on v6.15. (I am unsure if deeper recursion is possible; and this may
have changed with commit 8c44dac8add7 ("eventpoll: Fix priority inversion
problem").)
To fix it:
1. In ep_loop_check_proc(), note the subtree depth of each visited node,
and use subtree depths for the total depth calculation even when a subtree
has already been visited.
2. Add ep_get_upwards_depth_proc() for similarly determining the maximum
depth of an upwards walk.
3. In ep_loop_check(), use these values to limit the total path length
between epoll nodes to EP_MAX_NESTS edges.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e , < 71379495ab70eaba19224bd71b5b9b399eb85e04
(git)
Affected: 22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e , < 1b13b033062824495554e836a1ff5f85ccf6b039 (git) Affected: 22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e , < 2a0c0c974bea9619c6f41794775ae4b97530e0e6 (git) Affected: 22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e , < 7a2125962c42d5336ca0495a9ce4cb38a63e9161 (git) Affected: 22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e , < ea5f97dbdcb1651581a22bd10afd2f0dd9dc11d6 (git) Affected: 22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e , < 3542c90797bc3ab83ebab54b737d751cf3682036 (git) Affected: 22bacca48a1755f79b7e0f192ddb9fbb7fc6e64e , < f2e467a48287c868818085aa35389a224d226732 (git) Affected: 8216e1a0d47cae06a75c42346f19dffe14e42d57 (git) Affected: 28a92748aa4bc57d35e7b079498b0ac2e7610a37 (git) Affected: 7eebcd4792c5a341559aed327b6afecbb1c46402 (git) Affected: 0eccd188cfeaf857a26f2d72941d27d298cf6a54 (git) Affected: a72affdbb09f3f24f64ffcbbdf62c2e57c58f379 (git) |
|||||||
|
|||||||||
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CVE-2025-39841 (GCVE-0-2025-39841)
Vulnerability from cvelistv5 – Published: 2025-09-19 15:26 – Updated: 2025-11-03 17:43
VLAI?
EPSS
Title
scsi: lpfc: Fix buffer free/clear order in deferred receive path
Summary
In the Linux kernel, the following vulnerability has been resolved:
scsi: lpfc: Fix buffer free/clear order in deferred receive path
Fix a use-after-free window by correcting the buffer release sequence in
the deferred receive path. The code freed the RQ buffer first and only
then cleared the context pointer under the lock. Concurrent paths (e.g.,
ABTS and the repost path) also inspect and release the same pointer under
the lock, so the old order could lead to double-free/UAF.
Note that the repost path already uses the correct pattern: detach the
pointer under the lock, then free it after dropping the lock. The
deferred path should do the same.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
472e146d1cf3410a898b49834500fa9e33ac41a2 , < ab34084f42ee06a9028d67c78feafb911d33d111
(git)
Affected: 472e146d1cf3410a898b49834500fa9e33ac41a2 , < baa39f6ad79d372a6ce0aa639fbb2f1578479f57 (git) Affected: 472e146d1cf3410a898b49834500fa9e33ac41a2 , < 95b63d15fce5c54a73bbf195e1aacb5a75b128e2 (git) Affected: 472e146d1cf3410a898b49834500fa9e33ac41a2 , < 55658c7501467ca9ef3bd4453dd920010db8bc13 (git) Affected: 472e146d1cf3410a898b49834500fa9e33ac41a2 , < d96cc9a1b57725930c60b607423759d563b4d900 (git) Affected: 472e146d1cf3410a898b49834500fa9e33ac41a2 , < 367cb5ffd8a8a4c85dc89f55e7fa7cc191425b11 (git) Affected: 472e146d1cf3410a898b49834500fa9e33ac41a2 , < 897f64b01c1249ac730329b83f4f40bab71e86c7 (git) Affected: 472e146d1cf3410a898b49834500fa9e33ac41a2 , < 9dba9a45c348e8460da97c450cddf70b2056deb3 (git) |
|||||||
|
|||||||||
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CVE-2025-38351 (GCVE-0-2025-38351)
Vulnerability from cvelistv5 – Published: 2025-07-19 11:59 – Updated: 2025-08-28 14:43
VLAI?
EPSS
Title
KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush
Summary
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86/hyper-v: Skip non-canonical addresses during PV TLB flush
In KVM guests with Hyper-V hypercalls enabled, the hypercalls
HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST and HVCALL_FLUSH_VIRTUAL_ADDRESS_LIST_EX
allow a guest to request invalidation of portions of a virtual TLB.
For this, the hypercall parameter includes a list of GVAs that are supposed
to be invalidated.
However, when non-canonical GVAs are passed, there is currently no
filtering in place and they are eventually passed to checked invocations of
INVVPID on Intel / INVLPGA on AMD. While AMD's INVLPGA silently ignores
non-canonical addresses (effectively a no-op), Intel's INVVPID explicitly
signals VM-Fail and ultimately triggers the WARN_ONCE in invvpid_error():
invvpid failed: ext=0x0 vpid=1 gva=0xaaaaaaaaaaaaa000
WARNING: CPU: 6 PID: 326 at arch/x86/kvm/vmx/vmx.c:482
invvpid_error+0x91/0xa0 [kvm_intel]
Modules linked in: kvm_intel kvm 9pnet_virtio irqbypass fuse
CPU: 6 UID: 0 PID: 326 Comm: kvm-vm Not tainted 6.15.0 #14 PREEMPT(voluntary)
RIP: 0010:invvpid_error+0x91/0xa0 [kvm_intel]
Call Trace:
vmx_flush_tlb_gva+0x320/0x490 [kvm_intel]
kvm_hv_vcpu_flush_tlb+0x24f/0x4f0 [kvm]
kvm_arch_vcpu_ioctl_run+0x3013/0x5810 [kvm]
Hyper-V documents that invalid GVAs (those that are beyond a partition's
GVA space) are to be ignored. While not completely clear whether this
ruling also applies to non-canonical GVAs, it is likely fine to make that
assumption, and manual testing on Azure confirms "real" Hyper-V interprets
the specification in the same way.
Skip non-canonical GVAs when processing the list of address to avoid
tripping the INVVPID failure. Alternatively, KVM could filter out "bad"
GVAs before inserting into the FIFO, but practically speaking the only
downside of pushing validation to the final processing is that doing so
is suboptimal for the guest, and no well-behaved guest will request TLB
flushes for non-canonical addresses.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
260970862c88b4130e9e12be023c7e2c2d37a966 , < d5784ea45663330eaa868c518ea40e7a9f06aa2d
(git)
Affected: 260970862c88b4130e9e12be023c7e2c2d37a966 , < f1b3ad11ec11c88ba9f79a73d27d4cda3f80fb24 (git) Affected: 260970862c88b4130e9e12be023c7e2c2d37a966 , < 2d4dea3f76510c0afe3f18c910f647b816f7d566 (git) Affected: 260970862c88b4130e9e12be023c7e2c2d37a966 , < fa787ac07b3ceb56dd88a62d1866038498e96230 (git) |
||
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CVE-2025-38572 (GCVE-0-2025-38572)
Vulnerability from cvelistv5 – Published: 2025-08-19 17:02 – Updated: 2025-11-03 17:39
VLAI?
EPSS
Title
ipv6: reject malicious packets in ipv6_gso_segment()
Summary
In the Linux kernel, the following vulnerability has been resolved:
ipv6: reject malicious packets in ipv6_gso_segment()
syzbot was able to craft a packet with very long IPv6 extension headers
leading to an overflow of skb->transport_header.
This 16bit field has a limited range.
Add skb_reset_transport_header_careful() helper and use it
from ipv6_gso_segment()
WARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 skb_reset_transport_header include/linux/skbuff.h:3032 [inline]
WARNING: CPU: 0 PID: 5871 at ./include/linux/skbuff.h:3032 ipv6_gso_segment+0x15e2/0x21e0 net/ipv6/ip6_offload.c:151
Modules linked in:
CPU: 0 UID: 0 PID: 5871 Comm: syz-executor211 Not tainted 6.16.0-rc6-syzkaller-g7abc678e3084 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025
RIP: 0010:skb_reset_transport_header include/linux/skbuff.h:3032 [inline]
RIP: 0010:ipv6_gso_segment+0x15e2/0x21e0 net/ipv6/ip6_offload.c:151
Call Trace:
<TASK>
skb_mac_gso_segment+0x31c/0x640 net/core/gso.c:53
nsh_gso_segment+0x54a/0xe10 net/nsh/nsh.c:110
skb_mac_gso_segment+0x31c/0x640 net/core/gso.c:53
__skb_gso_segment+0x342/0x510 net/core/gso.c:124
skb_gso_segment include/net/gso.h:83 [inline]
validate_xmit_skb+0x857/0x11b0 net/core/dev.c:3950
validate_xmit_skb_list+0x84/0x120 net/core/dev.c:4000
sch_direct_xmit+0xd3/0x4b0 net/sched/sch_generic.c:329
__dev_xmit_skb net/core/dev.c:4102 [inline]
__dev_queue_xmit+0x17b6/0x3a70 net/core/dev.c:4679
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | ||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
|||||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < 5dc60b2a00ed7629214ac0c48e43f40af2078703
(git)
Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < 3f638e0b28bde7c3354a0df938ab3a96739455d1 (git) Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < 09ff062b89d8e48165247d677d1ca23d6d607e9b (git) Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < de322cdf600fc9433845a9e944d1ca6b31cfb67e (git) Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < ef05007b403dcc21e701cb1f30d4572ac0a9da20 (git) Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < 5489e7fc6f8be3062f8cb7e49406de4bfd94db67 (git) Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < 573b8250fc2554761db3bc2bbdbab23789d52d4e (git) Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < ee851768e4b8371ce151fd446d24bf3ae2d18789 (git) Affected: d1da932ed4ecad2a14cbcc01ed589d617d0f0f09 , < d45cf1e7d7180256e17c9ce88e32e8061a7887fe (git) |
|||||||
|
|||||||||
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CVE-2025-39817 (GCVE-0-2025-39817)
Vulnerability from cvelistv5 – Published: 2025-09-16 13:00 – Updated: 2025-11-03 17:43
VLAI?
EPSS
Title
efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
Summary
In the Linux kernel, the following vulnerability has been resolved:
efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare
Observed on kernel 6.6 (present on master as well):
BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0
Call trace:
kasan_check_range+0xe8/0x190
__asan_loadN+0x1c/0x28
memcmp+0x98/0xd0
efivarfs_d_compare+0x68/0xd8
__d_lookup_rcu_op_compare+0x178/0x218
__d_lookup_rcu+0x1f8/0x228
d_alloc_parallel+0x150/0x648
lookup_open.isra.0+0x5f0/0x8d0
open_last_lookups+0x264/0x828
path_openat+0x130/0x3f8
do_filp_open+0x114/0x248
do_sys_openat2+0x340/0x3c0
__arm64_sys_openat+0x120/0x1a0
If dentry->d_name.len < EFI_VARIABLE_GUID_LEN , 'guid' can become
negative, leadings to oob. The issue can be triggered by parallel
lookups using invalid filename:
T1 T2
lookup_open
->lookup
simple_lookup
d_add
// invalid dentry is added to hash list
lookup_open
d_alloc_parallel
__d_lookup_rcu
__d_lookup_rcu_op_compare
hlist_bl_for_each_entry_rcu
// invalid dentry can be retrieved
->d_compare
efivarfs_d_compare
// oob
Fix it by checking 'guid' before cmp.
Severity ?
No CVSS data available.
Assigner
References
| URL | Tags | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||||||||
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
da27a24383b2b10bf6ebd0db29b325548aafecb4 , < 0f63fbabeaaaaaaf5b742a2f4c1b4590d50bf1f6
(git)
Affected: da27a24383b2b10bf6ebd0db29b325548aafecb4 , < 794399019301944fd6d2e0d7a51b3327e26c410e (git) Affected: da27a24383b2b10bf6ebd0db29b325548aafecb4 , < 568e7761279b99c6daa3002290fd6d8047ddb6d2 (git) Affected: da27a24383b2b10bf6ebd0db29b325548aafecb4 , < d7f5e35e70507d10cbaff5f9e194ed54c4ee14f7 (git) Affected: da27a24383b2b10bf6ebd0db29b325548aafecb4 , < 925599eba46045930b850a98ae594d2e3028ac40 (git) Affected: da27a24383b2b10bf6ebd0db29b325548aafecb4 , < c2925cd6207079c3f4d040d082515db78d63afbf (git) Affected: da27a24383b2b10bf6ebd0db29b325548aafecb4 , < 71581a82f38e5a4d807d71fc1bb59aead80ccf95 (git) Affected: da27a24383b2b10bf6ebd0db29b325548aafecb4 , < a6358f8cf64850f3f27857b8ed8c1b08cfc4685c (git) Affected: 688289c4b745c018b3449b4b4c5a2030083c8eaf (git) |
|||||||
|
|||||||||
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CVE-2025-38571 (GCVE-0-2025-38571)
Vulnerability from cvelistv5 – Published: 2025-08-19 17:02 – Updated: 2025-09-29 05:54
VLAI?
EPSS
Title
sunrpc: fix client side handling of tls alerts
Summary
In the Linux kernel, the following vulnerability has been resolved:
sunrpc: fix client side handling of tls alerts
A security exploit was discovered in NFS over TLS in tls_alert_recv
due to its assumption that there is valid data in the msghdr's
iterator's kvec.
Instead, this patch proposes the rework how control messages are
setup and used by sock_recvmsg().
If no control message structure is setup, kTLS layer will read and
process TLS data record types. As soon as it encounters a TLS control
message, it would return an error. At that point, NFS can setup a kvec
backed control buffer and read in the control message such as a TLS
alert. Scott found that a msg iterator can advance the kvec pointer
as a part of the copy process thus we need to revert the iterator
before calling into the tls_alert_recv.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
dea034b963c8901bdcc3d3880c04f0d75c95112f , < a55b3d15331859d9fdd261cfa6d34ca2aeb0fb95
(git)
Affected: dea034b963c8901bdcc3d3880c04f0d75c95112f , < c36b2fbd60e8f9c6f975522130998608880c93be (git) Affected: dea034b963c8901bdcc3d3880c04f0d75c95112f , < 3ee397eaaca4fa04db21bb98c8f1d0c6cc525368 (git) Affected: dea034b963c8901bdcc3d3880c04f0d75c95112f , < 3feada5baf4dc96e151ff2ca54630e1d274e5458 (git) Affected: dea034b963c8901bdcc3d3880c04f0d75c95112f , < cc5d59081fa26506d02de2127ab822f40d88bc5a (git) |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"net/sunrpc/xprtsock.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "a55b3d15331859d9fdd261cfa6d34ca2aeb0fb95",
"status": "affected",
"version": "dea034b963c8901bdcc3d3880c04f0d75c95112f",
"versionType": "git"
},
{
"lessThan": "c36b2fbd60e8f9c6f975522130998608880c93be",
"status": "affected",
"version": "dea034b963c8901bdcc3d3880c04f0d75c95112f",
"versionType": "git"
},
{
"lessThan": "3ee397eaaca4fa04db21bb98c8f1d0c6cc525368",
"status": "affected",
"version": "dea034b963c8901bdcc3d3880c04f0d75c95112f",
"versionType": "git"
},
{
"lessThan": "3feada5baf4dc96e151ff2ca54630e1d274e5458",
"status": "affected",
"version": "dea034b963c8901bdcc3d3880c04f0d75c95112f",
"versionType": "git"
},
{
"lessThan": "cc5d59081fa26506d02de2127ab822f40d88bc5a",
"status": "affected",
"version": "dea034b963c8901bdcc3d3880c04f0d75c95112f",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"net/sunrpc/xprtsock.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.5"
},
{
"lessThan": "6.5",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.6.*",
"status": "unaffected",
"version": "6.6.102",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.42",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.15.*",
"status": "unaffected",
"version": "6.15.10",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.16.*",
"status": "unaffected",
"version": "6.16.1",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.17",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.6.102",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.42",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.15.10",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.16.1",
"versionStartIncluding": "6.5",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.17",
"versionStartIncluding": "6.5",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nsunrpc: fix client side handling of tls alerts\n\nA security exploit was discovered in NFS over TLS in tls_alert_recv\ndue to its assumption that there is valid data in the msghdr\u0027s\niterator\u0027s kvec.\n\nInstead, this patch proposes the rework how control messages are\nsetup and used by sock_recvmsg().\n\nIf no control message structure is setup, kTLS layer will read and\nprocess TLS data record types. As soon as it encounters a TLS control\nmessage, it would return an error. At that point, NFS can setup a kvec\nbacked control buffer and read in the control message such as a TLS\nalert. Scott found that a msg iterator can advance the kvec pointer\nas a part of the copy process thus we need to revert the iterator\nbefore calling into the tls_alert_recv."
}
],
"providerMetadata": {
"dateUpdated": "2025-09-29T05:54:02.055Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/a55b3d15331859d9fdd261cfa6d34ca2aeb0fb95"
},
{
"url": "https://git.kernel.org/stable/c/c36b2fbd60e8f9c6f975522130998608880c93be"
},
{
"url": "https://git.kernel.org/stable/c/3ee397eaaca4fa04db21bb98c8f1d0c6cc525368"
},
{
"url": "https://git.kernel.org/stable/c/3feada5baf4dc96e151ff2ca54630e1d274e5458"
},
{
"url": "https://git.kernel.org/stable/c/cc5d59081fa26506d02de2127ab822f40d88bc5a"
}
],
"title": "sunrpc: fix client side handling of tls alerts",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-38571",
"datePublished": "2025-08-19T17:02:51.620Z",
"dateReserved": "2025-04-16T04:51:24.025Z",
"dateUpdated": "2025-09-29T05:54:02.055Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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