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CVE-2026-64559

In the Linux kernel, the following vulnerability has been resolved: s390/pkey: Check length in PKEY_VERIFYPROTK ioctl Explicitly check the buffer length request structure provided by user-space and fail, if it exceeds the buffer size.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c0d69d0bb9ecdbfff26455e96bdff755d0a32b576e4be292acb29c314cd56bcd
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":["drivers/s390/crypto/pkey_api.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0a9e34ccbe772b8f321388cdbdf4f22b94e513e7","status":"affected","version":"8fcc231ce3bea12b78bb94b280cdc03cff342435","versionType":"git"},{"lessThan":"693bf91d4db134f9b1c2840c8e287eee3d993bac","status":"affected","version":"8fcc231ce3bea12b78bb94b280cdc03cff342435","versionType":"git"},{"lessThan":"7e7e03848c918aa0acad5ffd75d929e3afec1554","status":"affected","version":"8fcc231ce3bea12…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/s390/crypto/pkey_api.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"le…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/s390/crypto/pkey_api.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0a9e34ccbe772b8f321388cdbdf4f22b94e513e7","status":"affected","version":"8fcc231ce3bea12b78bb94b280cdc03cff342435","versionType":"git"},{"lessThan":"693bf91d4db134f9b1c2840c8e287eee3d993bac","status":"affected","version":"8fcc231ce3bea12b78bb94b280cdc03cff342435","versionType":"git"},{"lessThan":"7e7e03848c918aa0acad5ffd75d929e3afec1554","status":"affected","version":"8fcc231ce3bea12…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/s390/crypto/pkey_api.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.97","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.40","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.5","versionType":"semver"},{"le…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /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:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/0a9e34ccbe772b8f321388cdbdf4f22b94e513e7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/693bf91d4db134f9b1c2840c8e287eee3d993bac"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/7e7e03848c918aa0acad5ffd75d929e3afec1554"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b3d4ab2d7df9426f7f1d3671d7e2108f2ca6e970"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:14ca0aa59a139af1e6d328ab71bff38e93cf1ea5c2e33ff8c370c37f50d6f8dd · sha256:c12ceae7638b7a84… · /containers/cna/references/3

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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