CVE-2025-37955 (GCVE-0-2025-37955)
Vulnerability from cvelistv5 – Published: 2025-05-20 16:01 – Updated: 2025-05-26 05:24
VLAI?
Title
virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()
Summary
In the Linux kernel, the following vulnerability has been resolved:
virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()
The selftests added to our CI by Bui Quang Minh recently reveals
that there is a mem leak on the error path of virtnet_xsk_pool_enable():
unreferenced object 0xffff88800a68a000 (size 2048):
comm "xdp_helper", pid 318, jiffies 4294692778
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace (crc 0):
__kvmalloc_node_noprof+0x402/0x570
virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)
xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)
xsk_bind+0x6a5/0x1ae0
__sys_bind+0x15e/0x230
__x64_sys_bind+0x72/0xb0
do_syscall_64+0xc1/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||
|---|---|---|---|---|
| Linux | Linux |
Affected:
e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 , < 94a6f6c204abb2b2dcd2ce287536cc924469cfb5
(git)
Affected: e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 , < ba6917810bb4a5a32661fa941717399052b3f0d9 (git) Affected: e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568 , < 4397684a292a71fbc1e815c3e283f7490ddce5ae (git) |
||
{
"containers": {
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/net/virtio_net.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "94a6f6c204abb2b2dcd2ce287536cc924469cfb5",
"status": "affected",
"version": "e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568",
"versionType": "git"
},
{
"lessThan": "ba6917810bb4a5a32661fa941717399052b3f0d9",
"status": "affected",
"version": "e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568",
"versionType": "git"
},
{
"lessThan": "4397684a292a71fbc1e815c3e283f7490ddce5ae",
"status": "affected",
"version": "e9f3962441c0a4d6f16c656e6c8aa02a3ccdd568",
"versionType": "git"
}
]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/net/virtio_net.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "6.11"
},
{
"lessThan": "6.11",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.12.*",
"status": "unaffected",
"version": "6.12.29",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.14.*",
"status": "unaffected",
"version": "6.14.7",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.15",
"versionType": "original_commit_for_fix"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.12.29",
"versionStartIncluding": "6.11",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.14.7",
"versionStartIncluding": "6.11",
"vulnerable": true
},
{
"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
"versionEndExcluding": "6.15",
"versionStartIncluding": "6.11",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()\n\nThe selftests added to our CI by Bui Quang Minh recently reveals\nthat there is a mem leak on the error path of virtnet_xsk_pool_enable():\n\nunreferenced object 0xffff88800a68a000 (size 2048):\n comm \"xdp_helper\", pid 318, jiffies 4294692778\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace (crc 0):\n __kvmalloc_node_noprof+0x402/0x570\n virtnet_xsk_pool_enable+0x293/0x6a0 (drivers/net/virtio_net.c:5882)\n xp_assign_dev+0x369/0x670 (net/xdp/xsk_buff_pool.c:226)\n xsk_bind+0x6a5/0x1ae0\n __sys_bind+0x15e/0x230\n __x64_sys_bind+0x72/0xb0\n do_syscall_64+0xc1/0x1d0\n entry_SYSCALL_64_after_hwframe+0x77/0x7f"
}
],
"providerMetadata": {
"dateUpdated": "2025-05-26T05:24:29.422Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/94a6f6c204abb2b2dcd2ce287536cc924469cfb5"
},
{
"url": "https://git.kernel.org/stable/c/ba6917810bb4a5a32661fa941717399052b3f0d9"
},
{
"url": "https://git.kernel.org/stable/c/4397684a292a71fbc1e815c3e283f7490ddce5ae"
}
],
"title": "virtio-net: free xsk_buffs on error in virtnet_xsk_pool_enable()",
"x_generator": {
"engine": "bippy-1.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2025-37955",
"datePublished": "2025-05-20T16:01:49.209Z",
"dateReserved": "2025-04-16T04:51:23.973Z",
"dateUpdated": "2025-05-26T05:24:29.422Z",
"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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