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CVE-2026-64390

In the Linux kernel, the following vulnerability has been resolved: ksmbd: track the connection owning a byte-range lock SMB2_LOCK adds each granted byte-range lock to both the file lock list and the lock list of the connection which handled the request. The final close and durable handle paths, however, remove the connection list entry while holding fp->conn->llist_lock. With SMB3 multichannel, the connection handling the LOCK request can be different from the connection which opened the fi
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3a413060c00a04cd24238dc39bc03f564aa78a880296bbc9625a4d7bcda10a8b
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/smb2pdu.c","fs/smb/server/vfs_cache.c","fs/smb/server/vfs_cache.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22d38cf75b556c20b039743bdf3654d535b858be","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"66eb3643164e5e1029907793926c132f8b5c6148","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"ea5c9bf99f626a15cc59f645dc895f2b3f01992…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c","fs/smb/server/vfs_cache.c","fs/smb/server/vfs_cache.h"],"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":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffecte…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c","fs/smb/server/vfs_cache.c","fs/smb/server/vfs_cache.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"22d38cf75b556c20b039743bdf3654d535b858be","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"66eb3643164e5e1029907793926c132f8b5c6148","status":"affected","version":"f5a544e3bab78142207e0242d22442db85ba1eff","versionType":"git"},{"lessThan":"ea5c9bf99f626a15cc59f645dc895f2b3f01992…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c","fs/smb/server/vfs_cache.c","fs/smb/server/vfs_cache.h"],"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":"5.15.212","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.178","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffecte…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":8.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/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:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/22d38cf75b556c20b039743bdf3654d535b858be"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/427faaa52b0b399940c1a88065a5c310d10dad15"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/5fecc15a30cb9ebd310f7b52c1ab607edcea78f6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/66eb3643164e5e1029907793926c132f8b5c6148"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/c1016dd1d8b2bcd1158bbaabe94a31bb7e7431fb"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/ea5c9bf99f626a15cc59f645dc895f2b3f01992e"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/fe20d492a69a6f79e637f438072b212e21ed3b78"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7a776385523074b31f3c038210adab3d9b7315fe8a271b522a4498f20196fda0 · sha256:ad599a17d8dbf61d… · /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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