Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-64015

In the Linux kernel, the following vulnerability has been resolved: security/keys: fix missed RCU read section on lookup Nicholas Carlini reports that the keyring code calls assoc_array_find() in find_key_to_update() without holding the RCU read lock, while the assoc_array_gc() code really is designed around removing the node from the tree and then freeing it after an RCU grace-period. The regular key handling doesn't see this because holding the keyring semaphore hides any lifetime issues, b
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:a0db42d70175ef692dca2c3a0c6c8be70d456b87916e90ed5dbace61a2c514da
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":["security/keys/keyring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4c5d407ba3ff7f30561ff73ba1b07ed70c864edc","status":"affected","version":"b2a4df200d570b2c33a57e1ebfa5896e4bc81b69","versionType":"git"},{"lessThan":"cefa4265b11176c897a7d9e8e54d89e3701c5584","status":"affected","version":"b2a4df200d570b2c33a57e1ebfa5896e4bc81b69","versionType":"git"},{"lessThan":"5659e6923cb72f8e18e8b539109ab512455fe195","status":"affected","version":"b2a4df200d570b2c33a57e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["security/keys/keyring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThan…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["security/keys/keyring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"4c5d407ba3ff7f30561ff73ba1b07ed70c864edc","status":"affected","version":"b2a4df200d570b2c33a57e1ebfa5896e4bc81b69","versionType":"git"},{"lessThan":"cefa4265b11176c897a7d9e8e54d89e3701c5584","status":"affected","version":"b2a4df200d570b2c33a57e1ebfa5896e4bc81b69","versionType":"git"},{"lessThan":"5659e6923cb72f8e18e8b539109ab512455fe195","status":"affected","version":"b2a4df200d570b2c33a57e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["security/keys/keyring.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.13"},{"lessThan":"3.13","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.142","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.92","versionType":"semver"},{"lessThan…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/affected/1

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:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/metrics/0/cvssV3_1

Source references

6 source assertions
{"url":"https://git.kernel.org/stable/c/43a1e3744548e6fd85873e6fb43e293eb4010694"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/4c5d407ba3ff7f30561ff73ba1b07ed70c864edc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/50bb3435a5e627bfbdc52eb4536f49f88b3486b8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/5659e6923cb72f8e18e8b539109ab512455fe195"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/66288dcadf80974436250e9f70ed848836b835b5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/cefa4265b11176c897a7d9e8e54d89e3701c5584"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:0eab9a1e919cd24d86c0d82416709ea9b5beeef8f4da08460f6d330319d642ce · sha256:31e8690775435196… · /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.

← Back to CVE Explorer