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CVE-2026-23364

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Compare MACs in constant time To prevent timing attacks, MAC comparisons need to be constant-time. Replace the memcmp() with the correct function, crypto_memneq().
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:969340ce9c77e31bce82ced8d34658199e0b77be8c6e83948d5999be47a98b72
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":["fs/smb/server/Kconfig","fs/smb/server/auth.c","fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8a665d733940592e671ec6afadcd0be80a091a80","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"cd52a0e309659537048a864211abc3ea4c5caa63","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"307afccb751f542246bd5dc68a2c1ffe1a78418c","statu…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/Kconfig","fs/smb/server/auth.c","fs/smb/server/smb2pdu.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":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","versi…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/Kconfig","fs/smb/server/auth.c","fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8a665d733940592e671ec6afadcd0be80a091a80","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"cd52a0e309659537048a864211abc3ea4c5caa63","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"307afccb751f542246bd5dc68a2c1ffe1a78418c","statu…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/Kconfig","fs/smb/server/auth.c","fs/smb/server/smb2pdu.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":"5.15.*","status":"unaffected","version":"5.15.210","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","versi…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.4,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/2cdc56ed67615ba0921383a688f24415ebe065f3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/307afccb751f542246bd5dc68a2c1ffe1a78418c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/8a665d733940592e671ec6afadcd0be80a091a80"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/93c0a22fec914ec4b697e464895a0f594e29fb28"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/c5794709bc9105935dbedef8b9cf9c06f2b559fa"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/cd52a0e309659537048a864211abc3ea4c5caa63"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/f4588b85efd6007d46b80aa1b9fb746628ffb3dc"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:e487b280c0850f741d47e2eb6b8c1da18cd02f0c81d0801d2f46acff2d5aab72 · sha256:9c86acf63a37db2a… · /containers/cna/references/5

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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