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CVE-2026-43084

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_queue: make hash table per queue Sharing a global hash table among all queues is tempting, but it can cause crash: BUG: KASAN: slab-use-after-free in nfqnl_recv_verdict+0x11ac/0x15e0 [nfnetlink_queue] [..] nfqnl_recv_verdict+0x11ac/0x15e0 [nfnetlink_queue] nfnetlink_rcv_msg+0x46a/0x930 kmem_cache_alloc_node_noprof+0x11e/0x450 struct nf_queue_entry is freed via kfree, but parallel cpu can still encount
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:71de71dea620d802b09cb0fefbb4b967b645ad9ae5369d486fd051c0b88c2d26
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/netfilter/nf_queue.h","net/netfilter/nfnetlink_queue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.12.83","status":"affected","version":"6.12.75","versionType":"semver"},{"lessThan":"6.18.24","status":"affected","version":"6.18.14","versionType":"semver"},{"lessThan":"6.19.14","status":"affected","version":"6.19.4","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/netfilter/nf_queue.h","net/netfilter/nfnetlink_queue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22730cb96093b5be0609063bbb1923dbecd61252","status":"affected","version":"371de2bef6582a3f58049b3d18e190924af9c9a0","versionType":"git"},{"lessThan":"41e3652a178cb0eecd48e0e6e27fbb73a004046a","status":"affected","version":"870e3e63da8e88daffe9d692a025c711658018a8","versionType":"git"},{"lessThan":"9e5ebef91120d2764aefe557c3a484b6288f341f","status":"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/netfilter/nf_queue.h","net/netfilter/nfnetlink_queue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.12.83","status":"affected","version":"6.12.75","versionType":"semver"},{"lessThan":"6.18.24","status":"affected","version":"6.18.14","versionType":"semver"},{"lessThan":"6.19.14","status":"affected","version":"6.19.4","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/netfilter/nf_queue.h","net/netfilter/nfnetlink_queue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22730cb96093b5be0609063bbb1923dbecd61252","status":"affected","version":"371de2bef6582a3f58049b3d18e190924af9c9a0","versionType":"git"},{"lessThan":"41e3652a178cb0eecd48e0e6e27fbb73a004046a","status":"affected","version":"870e3e63da8e88daffe9d692a025c711658018a8","versionType":"git"},{"lessThan":"9e5ebef91120d2764aefe557c3a484b6288f341f","status":"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/22730cb96093b5be0609063bbb1923dbecd61252"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/41e3652a178cb0eecd48e0e6e27fbb73a004046a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/936206e3f6ff411581e615e930263d6f8b78df9d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/9e5ebef91120d2764aefe557c3a484b6288f341f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:76943a65239fb026f1cb856714252e58312af737eed41145746834eb11b76fab · sha256:58074c7dd4f7c50a… · /containers/cna/references/2

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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