CVE-2021-47078 (GCVE-0-2021-47078)
Vulnerability from cvelistv5 – Published: 2024-03-01 21:15 – Updated: 2025-05-04 07:03
VLAI?
Title
RDMA/rxe: Clear all QP fields if creation failed
Summary
In the Linux kernel, the following vulnerability has been resolved:
RDMA/rxe: Clear all QP fields if creation failed
rxe_qp_do_cleanup() relies on valid pointer values in QP for the properly
created ones, but in case rxe_qp_from_init() failed it was filled with
garbage and caused tot the following error.
refcount_t: underflow; use-after-free.
WARNING: CPU: 1 PID: 12560 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28
Modules linked in:
CPU: 1 PID: 12560 Comm: syz-executor.4 Not tainted 5.12.0-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28
Code: e9 db fe ff ff 48 89 df e8 2c c2 ea fd e9 8a fe ff ff e8 72 6a a7 fd 48 c7 c7 e0 b2 c1 89 c6 05 dc 3a e6 09 01 e8 ee 74 fb 04 <0f> 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55
RSP: 0018:ffffc900097ceba8 EFLAGS: 00010286
RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000
RDX: 0000000000040000 RSI: ffffffff815bb075 RDI: fffff520012f9d67
RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff815b4eae R11: 0000000000000000 R12: ffff8880322a4800
R13: ffff8880322a4940 R14: ffff888033044e00 R15: 0000000000000000
FS: 00007f6eb2be3700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdbe5d41000 CR3: 000000001d181000 CR4: 00000000001506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
__refcount_sub_and_test include/linux/refcount.h:283 [inline]
__refcount_dec_and_test include/linux/refcount.h:315 [inline]
refcount_dec_and_test include/linux/refcount.h:333 [inline]
kref_put include/linux/kref.h:64 [inline]
rxe_qp_do_cleanup+0x96f/0xaf0 drivers/infiniband/sw/rxe/rxe_qp.c:805
execute_in_process_context+0x37/0x150 kernel/workqueue.c:3327
rxe_elem_release+0x9f/0x180 drivers/infiniband/sw/rxe/rxe_pool.c:391
kref_put include/linux/kref.h:65 [inline]
rxe_create_qp+0x2cd/0x310 drivers/infiniband/sw/rxe/rxe_verbs.c:425
_ib_create_qp drivers/infiniband/core/core_priv.h:331 [inline]
ib_create_named_qp+0x2ad/0x1370 drivers/infiniband/core/verbs.c:1231
ib_create_qp include/rdma/ib_verbs.h:3644 [inline]
create_mad_qp+0x177/0x2d0 drivers/infiniband/core/mad.c:2920
ib_mad_port_open drivers/infiniband/core/mad.c:3001 [inline]
ib_mad_init_device+0xd6f/0x1400 drivers/infiniband/core/mad.c:3092
add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:717
enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1331
ib_register_device drivers/infiniband/core/device.c:1413 [inline]
ib_register_device+0x7c7/0xa50 drivers/infiniband/core/device.c:1365
rxe_register_device+0x3d5/0x4a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1147
rxe_add+0x12fe/0x16d0 drivers/infiniband/sw/rxe/rxe.c:247
rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:503
rxe_newlink drivers/infiniband/sw/rxe/rxe.c:269 [inline]
rxe_newlink+0xb7/0xe0 drivers/infiniband/sw/rxe/rxe.c:250
nldev_newlink+0x30e/0x550 drivers/infiniband/core/nldev.c:1555
rdma_nl_rcv_msg+0x36d/0x690 drivers/infiniband/core/netlink.c:195
rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]
rdma_nl_rcv+0x2ee/0x430 drivers/infiniband/core/netlink.c:259
netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]
netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338
netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927
sock_sendmsg_nosec net/socket.c:654 [inline]
sock_sendmsg+0xcf/0x120 net/socket.c:674
____sys_sendmsg+0x6e8/0x810 net/socket.c:2350
___sys_sendmsg+0xf3/0x170 net/socket.c:2404
__sys_sendmsg+0xe5/0x1b0 net/socket.c:2433
do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47
entry_SYSCALL_64_after_hwframe+0
---truncated---
Severity ?
5.3 (Medium)
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Linux | Linux |
Affected:
8700e3e7c4857d28ebaa824509934556da0b3e76 , < c65391dd9f0a47617e96e38bd27e277cbe1c40b0
(git)
Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 6a8086a42dfbf548a42bf2ae4faa291645c72c66 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < f3783c415bf6d2ead3d7aa2c38802bbe10723646 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < a62225d951d77eb20208fed8fc199e0c9b1df08b (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 2ee4d79c364914989c80de382c0b1a7259a7e4b3 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 03344e843ab6dd3b3f2cadfb65ed910590856c70 (git) Affected: 8700e3e7c4857d28ebaa824509934556da0b3e76 , < 67f29896fdc83298eed5a6576ff8f9873f709228 (git) |
|||||||
|
|||||||||
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nRDMA/rxe: Clear all QP fields if creation failed\n\nrxe_qp_do_cleanup() relies on valid pointer values in QP for the properly\ncreated ones, but in case rxe_qp_from_init() failed it was filled with\ngarbage and caused tot the following error.\n\n refcount_t: underflow; use-after-free.\n WARNING: CPU: 1 PID: 12560 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28\n Modules linked in:\n CPU: 1 PID: 12560 Comm: syz-executor.4 Not tainted 5.12.0-syzkaller #0\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\n RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28\n Code: e9 db fe ff ff 48 89 df e8 2c c2 ea fd e9 8a fe ff ff e8 72 6a a7 fd 48 c7 c7 e0 b2 c1 89 c6 05 dc 3a e6 09 01 e8 ee 74 fb 04 \u003c0f\u003e 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55\n RSP: 0018:ffffc900097ceba8 EFLAGS: 00010286\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n RDX: 0000000000040000 RSI: ffffffff815bb075 RDI: fffff520012f9d67\n RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000\n R10: ffffffff815b4eae R11: 0000000000000000 R12: ffff8880322a4800\n R13: ffff8880322a4940 R14: ffff888033044e00 R15: 0000000000000000\n FS: 00007f6eb2be3700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007fdbe5d41000 CR3: 000000001d181000 CR4: 00000000001506e0\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\n Call Trace:\n __refcount_sub_and_test include/linux/refcount.h:283 [inline]\n __refcount_dec_and_test include/linux/refcount.h:315 [inline]\n refcount_dec_and_test include/linux/refcount.h:333 [inline]\n kref_put include/linux/kref.h:64 [inline]\n rxe_qp_do_cleanup+0x96f/0xaf0 drivers/infiniband/sw/rxe/rxe_qp.c:805\n execute_in_process_context+0x37/0x150 kernel/workqueue.c:3327\n rxe_elem_release+0x9f/0x180 drivers/infiniband/sw/rxe/rxe_pool.c:391\n kref_put include/linux/kref.h:65 [inline]\n rxe_create_qp+0x2cd/0x310 drivers/infiniband/sw/rxe/rxe_verbs.c:425\n _ib_create_qp drivers/infiniband/core/core_priv.h:331 [inline]\n ib_create_named_qp+0x2ad/0x1370 drivers/infiniband/core/verbs.c:1231\n ib_create_qp include/rdma/ib_verbs.h:3644 [inline]\n create_mad_qp+0x177/0x2d0 drivers/infiniband/core/mad.c:2920\n ib_mad_port_open drivers/infiniband/core/mad.c:3001 [inline]\n ib_mad_init_device+0xd6f/0x1400 drivers/infiniband/core/mad.c:3092\n add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:717\n enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1331\n ib_register_device drivers/infiniband/core/device.c:1413 [inline]\n ib_register_device+0x7c7/0xa50 drivers/infiniband/core/device.c:1365\n rxe_register_device+0x3d5/0x4a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1147\n rxe_add+0x12fe/0x16d0 drivers/infiniband/sw/rxe/rxe.c:247\n rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:503\n rxe_newlink drivers/infiniband/sw/rxe/rxe.c:269 [inline]\n rxe_newlink+0xb7/0xe0 drivers/infiniband/sw/rxe/rxe.c:250\n nldev_newlink+0x30e/0x550 drivers/infiniband/core/nldev.c:1555\n rdma_nl_rcv_msg+0x36d/0x690 drivers/infiniband/core/netlink.c:195\n rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]\n rdma_nl_rcv+0x2ee/0x430 drivers/infiniband/core/netlink.c:259\n netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]\n netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338\n netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927\n sock_sendmsg_nosec net/socket.c:654 [inline]\n sock_sendmsg+0xcf/0x120 net/socket.c:674\n ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350\n ___sys_sendmsg+0xf3/0x170 net/socket.c:2404\n __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433\n do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47\n entry_SYSCALL_64_after_hwframe+0\n---truncated---"
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\"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:24:39.601Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 5.3, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"LOW\"}}, {\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47078\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-03-06T15:32:35.393910Z\"}}}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"description\": \"CWE-noinfo Not enough information\"}]}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-05-23T19:01:11.716Z\"}}], \"cna\": {\"title\": \"RDMA/rxe: Clear all QP fields if creation failed\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"8700e3e7c4857d28ebaa824509934556da0b3e76\", \"lessThan\": \"c65391dd9f0a47617e96e38bd27e277cbe1c40b0\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8700e3e7c4857d28ebaa824509934556da0b3e76\", \"lessThan\": \"6a8086a42dfbf548a42bf2ae4faa291645c72c66\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8700e3e7c4857d28ebaa824509934556da0b3e76\", \"lessThan\": \"f3783c415bf6d2ead3d7aa2c38802bbe10723646\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8700e3e7c4857d28ebaa824509934556da0b3e76\", \"lessThan\": \"a62225d951d77eb20208fed8fc199e0c9b1df08b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8700e3e7c4857d28ebaa824509934556da0b3e76\", \"lessThan\": \"2ee4d79c364914989c80de382c0b1a7259a7e4b3\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8700e3e7c4857d28ebaa824509934556da0b3e76\", \"lessThan\": \"03344e843ab6dd3b3f2cadfb65ed910590856c70\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"8700e3e7c4857d28ebaa824509934556da0b3e76\", \"lessThan\": \"67f29896fdc83298eed5a6576ff8f9873f709228\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/infiniband/sw/rxe/rxe_qp.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"4.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"4.9.270\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.9.*\"}, {\"status\": \"unaffected\", \"version\": \"4.14.234\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.14.*\"}, {\"status\": \"unaffected\", \"version\": \"4.19.192\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"4.19.*\"}, {\"status\": \"unaffected\", \"version\": \"5.4.122\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.40\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.12.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.12.*\"}, {\"status\": \"unaffected\", \"version\": \"5.13\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/infiniband/sw/rxe/rxe_qp.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/c65391dd9f0a47617e96e38bd27e277cbe1c40b0\"}, {\"url\": \"https://git.kernel.org/stable/c/6a8086a42dfbf548a42bf2ae4faa291645c72c66\"}, {\"url\": \"https://git.kernel.org/stable/c/f3783c415bf6d2ead3d7aa2c38802bbe10723646\"}, {\"url\": \"https://git.kernel.org/stable/c/a62225d951d77eb20208fed8fc199e0c9b1df08b\"}, {\"url\": \"https://git.kernel.org/stable/c/2ee4d79c364914989c80de382c0b1a7259a7e4b3\"}, {\"url\": \"https://git.kernel.org/stable/c/03344e843ab6dd3b3f2cadfb65ed910590856c70\"}, {\"url\": \"https://git.kernel.org/stable/c/67f29896fdc83298eed5a6576ff8f9873f709228\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nRDMA/rxe: Clear all QP fields if creation failed\\n\\nrxe_qp_do_cleanup() relies on valid pointer values in QP for the properly\\ncreated ones, but in case rxe_qp_from_init() failed it was filled with\\ngarbage and caused tot the following error.\\n\\n refcount_t: underflow; use-after-free.\\n WARNING: CPU: 1 PID: 12560 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28\\n Modules linked in:\\n CPU: 1 PID: 12560 Comm: syz-executor.4 Not tainted 5.12.0-syzkaller #0\\n Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011\\n RIP: 0010:refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28\\n Code: e9 db fe ff ff 48 89 df e8 2c c2 ea fd e9 8a fe ff ff e8 72 6a a7 fd 48 c7 c7 e0 b2 c1 89 c6 05 dc 3a e6 09 01 e8 ee 74 fb 04 \u003c0f\u003e 0b e9 af fe ff ff 0f 1f 84 00 00 00 00 00 41 56 41 55 41 54 55\\n RSP: 0018:ffffc900097ceba8 EFLAGS: 00010286\\n RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\\n RDX: 0000000000040000 RSI: ffffffff815bb075 RDI: fffff520012f9d67\\n RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000\\n R10: ffffffff815b4eae R11: 0000000000000000 R12: ffff8880322a4800\\n R13: ffff8880322a4940 R14: ffff888033044e00 R15: 0000000000000000\\n FS: 00007f6eb2be3700(0000) GS:ffff8880b9d00000(0000) knlGS:0000000000000000\\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\\n CR2: 00007fdbe5d41000 CR3: 000000001d181000 CR4: 00000000001506e0\\n DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000\\n DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400\\n Call Trace:\\n __refcount_sub_and_test include/linux/refcount.h:283 [inline]\\n __refcount_dec_and_test include/linux/refcount.h:315 [inline]\\n refcount_dec_and_test include/linux/refcount.h:333 [inline]\\n kref_put include/linux/kref.h:64 [inline]\\n rxe_qp_do_cleanup+0x96f/0xaf0 drivers/infiniband/sw/rxe/rxe_qp.c:805\\n execute_in_process_context+0x37/0x150 kernel/workqueue.c:3327\\n rxe_elem_release+0x9f/0x180 drivers/infiniband/sw/rxe/rxe_pool.c:391\\n kref_put include/linux/kref.h:65 [inline]\\n rxe_create_qp+0x2cd/0x310 drivers/infiniband/sw/rxe/rxe_verbs.c:425\\n _ib_create_qp drivers/infiniband/core/core_priv.h:331 [inline]\\n ib_create_named_qp+0x2ad/0x1370 drivers/infiniband/core/verbs.c:1231\\n ib_create_qp include/rdma/ib_verbs.h:3644 [inline]\\n create_mad_qp+0x177/0x2d0 drivers/infiniband/core/mad.c:2920\\n ib_mad_port_open drivers/infiniband/core/mad.c:3001 [inline]\\n ib_mad_init_device+0xd6f/0x1400 drivers/infiniband/core/mad.c:3092\\n add_client_context+0x405/0x5e0 drivers/infiniband/core/device.c:717\\n enable_device_and_get+0x1cd/0x3b0 drivers/infiniband/core/device.c:1331\\n ib_register_device drivers/infiniband/core/device.c:1413 [inline]\\n ib_register_device+0x7c7/0xa50 drivers/infiniband/core/device.c:1365\\n rxe_register_device+0x3d5/0x4a0 drivers/infiniband/sw/rxe/rxe_verbs.c:1147\\n rxe_add+0x12fe/0x16d0 drivers/infiniband/sw/rxe/rxe.c:247\\n rxe_net_add+0x8c/0xe0 drivers/infiniband/sw/rxe/rxe_net.c:503\\n rxe_newlink drivers/infiniband/sw/rxe/rxe.c:269 [inline]\\n rxe_newlink+0xb7/0xe0 drivers/infiniband/sw/rxe/rxe.c:250\\n nldev_newlink+0x30e/0x550 drivers/infiniband/core/nldev.c:1555\\n rdma_nl_rcv_msg+0x36d/0x690 drivers/infiniband/core/netlink.c:195\\n rdma_nl_rcv_skb drivers/infiniband/core/netlink.c:239 [inline]\\n rdma_nl_rcv+0x2ee/0x430 drivers/infiniband/core/netlink.c:259\\n netlink_unicast_kernel net/netlink/af_netlink.c:1312 [inline]\\n netlink_unicast+0x533/0x7d0 net/netlink/af_netlink.c:1338\\n netlink_sendmsg+0x856/0xd90 net/netlink/af_netlink.c:1927\\n sock_sendmsg_nosec net/socket.c:654 [inline]\\n sock_sendmsg+0xcf/0x120 net/socket.c:674\\n ____sys_sendmsg+0x6e8/0x810 net/socket.c:2350\\n ___sys_sendmsg+0xf3/0x170 net/socket.c:2404\\n __sys_sendmsg+0xe5/0x1b0 net/socket.c:2433\\n do_syscall_64+0x3a/0xb0 arch/x86/entry/common.c:47\\n entry_SYSCALL_64_after_hwframe+0\\n---truncated---\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.9.270\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.14.234\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"4.19.192\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.4.122\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.40\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.12.7\", \"versionStartIncluding\": \"4.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.13\", \"versionStartIncluding\": \"4.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:03:43.567Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2021-47078\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:03:43.567Z\", \"dateReserved\": \"2024-02-29T22:33:44.297Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-03-01T21:15:14.679Z\", \"assignerShortName\": \"Linux\"}",
"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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