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CVE-2026-52977

In the Linux kernel, the following vulnerability has been resolved: futex: Prevent lockup in requeue-PI during signal/ timeout wakeup During wait-requeue-pi (task A) and requeue-PI (task B) the following race can happen: Task A Task B futex_wait_requeue_pi() futex_setup_timer() futex_do_wait() futex_requeue() CLASS(hb, hb1)(&key1); CLASS
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:de28786686cd4f9cf7c5b8dd8518e1eebee06c6e7d7939f4993c7e637c1e7ee7
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":["kernel/futex/requeue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanO…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/futex/requeue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4e0ed44e51727d56244a822ab941efe507c47966","status":"affected","version":"07d91ef510fb16a2e0ca7453222105835b7ba3b8","versionType":"git"},{"lessThan":"e3f95b1ba242e37093305812df7fdbe7288a43ac","status":"affected","version":"07d91ef510fb16a2e0ca7453222105835b7ba3b8","versionType":"git"},{"lessThan":"0aacb6d18f76552e3e0ee25d9f40d21b3486f4cf","status":"affected","version":"07d91ef510fb16a2e0ca745…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["kernel/futex/requeue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.15"},{"lessThan":"5.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.141","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.91","versionType":"semver"},{"lessThanO…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["kernel/futex/requeue.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4e0ed44e51727d56244a822ab941efe507c47966","status":"affected","version":"07d91ef510fb16a2e0ca7453222105835b7ba3b8","versionType":"git"},{"lessThan":"e3f95b1ba242e37093305812df7fdbe7288a43ac","status":"affected","version":"07d91ef510fb16a2e0ca7453222105835b7ba3b8","versionType":"git"},{"lessThan":"0aacb6d18f76552e3e0ee25d9f40d21b3486f4cf","status":"affected","version":"07d91ef510fb16a2e0ca745…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/affected/0

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/0304d60abb9dcc02bc7fe6d1850f4ca206e8f1a0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/0aacb6d18f76552e3e0ee25d9f40d21b3486f4cf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/4e0ed44e51727d56244a822ab941efe507c47966"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/69a7cfc66405aeaa2483147653d031b3592ffc9c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/bc7304f3ae20972d11db6e0b1b541c63feda5f05"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/e3f95b1ba242e37093305812df7fdbe7288a43ac"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:71fccf3c5a4ccea46d3a1fc9fa36859138afe086e796a9ca2ee3f589eb8ec054 · sha256:9255e25f77de4f0e… · /containers/cna/references/1

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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