Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-53239

In the Linux kernel, the following vulnerability has been resolved: xfrm: policy: fix use-after-free on inexact bin in xfrm_policy_bysel_ctx() Fix the race by pruning the bin while still holding xfrm_policy_lock, before dropping it. Use __xfrm_policy_inexact_prune_bin() directly since the lock is already held. The wrapper xfrm_policy_inexact_prune_bin() becomes unused and is removed. Race: CPU0 (XFRM_MSG_DELPOLICY) CPU1 (XFRM_MSG_NEWSPDINFO) ==========================
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:4d52e70737968d3a438ca7ac68845c3ccab9d1fd49ceeb405da3bc926bf3dbd6
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/xfrm/xfrm_policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.0"},{"lessThan":"5.0","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","versionType":"semver"},{"lessThan…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/xfrm/xfrm_policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8fc536e9f6856230f19c7d13e71af064b6a77b22","status":"affected","version":"6be3b0db6db82cf056a72cc18042048edd27f8ee","versionType":"git"},{"lessThan":"c4c1ea36d83bf3c4569468ca5b8b614fda1bf821","status":"affected","version":"6be3b0db6db82cf056a72cc18042048edd27f8ee","versionType":"git"},{"lessThan":"25c8c7fb3b0b9668c7d05e209f58c158d2b020c7","status":"affected","version":"6be3b0db6db82cf056a72cc…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["net/xfrm/xfrm_policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.0"},{"lessThan":"5.0","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","versionType":"semver"},{"lessThan…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/xfrm/xfrm_policy.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8fc536e9f6856230f19c7d13e71af064b6a77b22","status":"affected","version":"6be3b0db6db82cf056a72cc18042048edd27f8ee","versionType":"git"},{"lessThan":"c4c1ea36d83bf3c4569468ca5b8b614fda1bf821","status":"affected","version":"6be3b0db6db82cf056a72cc18042048edd27f8ee","versionType":"git"},{"lessThan":"25c8c7fb3b0b9668c7d05e209f58c158d2b020c7","status":"affected","version":"6be3b0db6db82cf056a72cc…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /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:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://git.kernel.org/stable/c/25c8c7fb3b0b9668c7d05e209f58c158d2b020c7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/42827d03f8009a6a218bacab153e21f39d6a121c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/7f2d76c9c03257c0782afef9d95321fa04096f60"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/88697cf980222d5906a37bf47662dac0732e2a0f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/8fc536e9f6856230f19c7d13e71af064b6a77b22"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/b5316e2b8614a87d8736941972441cb47bfd4491"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/c4c1ea36d83bf3c4569468ca5b8b614fda1bf821"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ec82ea4eb220164d854f8734ca5a35e23e577b94"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:56de874983fbcc0830921dbd082277fef9aaa31a62f70bb96e2e95984a07470c · sha256:a30b743aa9cafa63… · /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.

← Back to CVE Explorer