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CVE-2026-53223

In the Linux kernel, the following vulnerability has been resolved: net: guard timestamp cmsgs to real error queue skbs skb_is_err_queue() treats PACKET_OUTGOING as the sole marker for an skb from sk_error_queue. That assumption is not true for AF_PACKET sockets: outgoing packet taps are also delivered to packet sockets with skb->pkt_type == PACKET_OUTGOING, but their skb->cb is owned by AF_PACKET instead of struct sock_exterr_skb. If such an skb is received with timestamping enabled, the gen
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7f7a064d7bc57324cd60ceb24dcf80c741997eca5b48414dc62214b24013a41e
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":["include/net/sock.h","net/core/skbuff.c","net/socket.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/sock.h","net/core/skbuff.c","net/socket.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"24a0d548d3a765cd4558224e4f8e06e14cba26e3","status":"affected","version":"8605330aac5a5785630aec8f64378a54891937cc","versionType":"git"},{"lessThan":"71ff5cdd5da61d0438e902aa0fd68c28bc901abe","status":"affected","version":"8605330aac5a5785630aec8f64378a54891937cc","versionType":"git"},{"lessThan":"ad9a0374ee6d11048e1f74cd5180bad58b9848b4","status":"affected","ve…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["include/net/sock.h","net/core/skbuff.c","net/socket.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.11"},{"lessThan":"4.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.259","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.176","…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/net/sock.h","net/core/skbuff.c","net/socket.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"24a0d548d3a765cd4558224e4f8e06e14cba26e3","status":"affected","version":"8605330aac5a5785630aec8f64378a54891937cc","versionType":"git"},{"lessThan":"71ff5cdd5da61d0438e902aa0fd68c28bc901abe","status":"affected","version":"8605330aac5a5785630aec8f64378a54891937cc","versionType":"git"},{"lessThan":"ad9a0374ee6d11048e1f74cd5180bad58b9848b4","status":"affected","ve…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/affected/0

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/1ee90b77b727df903033db873c75caac5c27ec98"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/24a0d548d3a765cd4558224e4f8e06e14cba26e3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/3dde4fb941fa5649ab809f6cd3e20e0c424a4e31"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/71ff5cdd5da61d0438e902aa0fd68c28bc901abe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ad9a0374ee6d11048e1f74cd5180bad58b9848b4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b903e9b5629ec8dd6db92174070045bf81ad7060"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e0665b2a8e90bb08bd205062c75662b502d31797"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/eb51a9ad3ceb01bc6c0fb608dbc856e03ee6f24a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8667c2a8690e0f5eb4e3667f9280a84b615e2d2b492034cd31f1acb0fcbfbc4c · sha256:59a00cbc5f275058… · /containers/cna/references/6

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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