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CVE-2026-23412

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlink_hooks: BUG: KASAN: slab-use-after-free in nfnl_hook_dump_one.isra.0+0xe71/0x10f0 Read of size 8 at addr ffff888003edbf88 by task poc/79 Call Trace: <TASK> nfnl_hook_dump_one.isra.0+0xe71/0x10f0 netlink_dump+0x554/0x12b0 nfnl_hook_get+0x176/0x230 [..] Defer release until afte
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:60b503e127a4b5e00dec76e2f6b045915692f1e40ce308533808eca849889f30
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":"affected","product":"Linux","programFiles":["net/netfilter/nf_bpf_link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessT…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_bpf_link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d016c216bc75c45128160593a77b864a04dbe7c0","status":"affected","version":"84601d6ee68ae820dec97450934797046d62db4b","versionType":"git"},{"lessThan":"cb2bf5efdb02a2a59faf603604a1066e8266f349","status":"affected","version":"84601d6ee68ae820dec97450934797046d62db4b","versionType":"git"},{"lessThan":"c25e0dec366ae99b7264324ce3c7cbaea34691f9","status":"affected","version":"84601d6ee68ae820de…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/netfilter/nf_bpf_link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.4"},{"lessThan":"6.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.78","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.20","versionType":"semver"},{"lessT…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/netfilter/nf_bpf_link.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"d016c216bc75c45128160593a77b864a04dbe7c0","status":"affected","version":"84601d6ee68ae820dec97450934797046d62db4b","versionType":"git"},{"lessThan":"cb2bf5efdb02a2a59faf603604a1066e8266f349","status":"affected","version":"84601d6ee68ae820dec97450934797046d62db4b","versionType":"git"},{"lessThan":"c25e0dec366ae99b7264324ce3c7cbaea34691f9","status":"affected","version":"84601d6ee68ae820de…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /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:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/metrics/0/cvssV3_1

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/24f90fa3994b992d1a09003a3db2599330a5232a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/54244d54a971c26a0cd0a9073460ff71f3c51b32"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c25e0dec366ae99b7264324ce3c7cbaea34691f9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/cb2bf5efdb02a2a59faf603604a1066e8266f349"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d016c216bc75c45128160593a77b864a04dbe7c0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:9d0b93b51fd9b54a2089ed493d83780e0612fc53241db4189cc5d9c0d4d65ab0 · sha256:26f1064a22a3bcaa… · /containers/cna/references/0

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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