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CVE-2026-64139

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix SID memory leak in set_posix_acl_entries_dacl() on overflow Commit 299f962c0b02 ("ksmbd: use check_add_overflow() to prevent u16 DACL size overflow") added check_add_overflow() guards that break out of the ACE-building loops in set_posix_acl_entries_dacl() when the accumulated DACL size would wrap past 65535. However, each iteration allocates a struct smb_sid via kmalloc_obj() at the top of the loop and relies on t
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:60b87a05fb05da6da60be07ed5a442a79fde8ca0b98142c2f800cf45d54ebc41
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/smbacl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9d378e17c864da08c3a4df41dae92cfa6468b00a","status":"affected","version":"8d5729350b236896f51379588d9a690b7fafb8db","versionType":"git"},{"lessThan":"519fb0a42ce5d7e46935577309fb282a5f2c6ea3","status":"affected","version":"e1955a94b6f17f4b058afa955a6f187eb3ed7615","versionType":"git"},{"lessThan":"0e198f09cb2a554c04de0fea4e790f1250a943ca","status":"affected","version":"5e7b8f3c539d69b2ed5f240…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smbacl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.6.142","status":"affected","version":"6.6.136","versionType":"semver"},{"lessThan":"6.12.92","status":"affected","version":"6.12.84","versionType":"semver"},{"lessThan":"6.18.34","status":"affected","version":"6.18.25","versionType":"semver"},{"lessThan":"7.0.11","status":"affected","version":"7.0.2","versionType":"semver"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smbacl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"9d378e17c864da08c3a4df41dae92cfa6468b00a","status":"affected","version":"8d5729350b236896f51379588d9a690b7fafb8db","versionType":"git"},{"lessThan":"519fb0a42ce5d7e46935577309fb282a5f2c6ea3","status":"affected","version":"e1955a94b6f17f4b058afa955a6f187eb3ed7615","versionType":"git"},{"lessThan":"0e198f09cb2a554c04de0fea4e790f1250a943ca","status":"affected","version":"5e7b8f3c539d69b2ed5f240…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smbacl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"6.6.142","status":"affected","version":"6.6.136","versionType":"semver"},{"lessThan":"6.12.92","status":"affected","version":"6.12.84","versionType":"semver"},{"lessThan":"6.18.34","status":"affected","version":"6.18.25","versionType":"semver"},{"lessThan":"7.0.11","status":"affected","version":"7.0.2","versionType":"semver"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/affected/1

Source references

5 source assertions
{"url":"https://git.kernel.org/stable/c/0e198f09cb2a554c04de0fea4e790f1250a943ca"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/519fb0a42ce5d7e46935577309fb282a5f2c6ea3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/9d378e17c864da08c3a4df41dae92cfa6468b00a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/af92ee994cc7f7e83a41c2025f32257a2f82a7ef"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/eced48cb08f07393a5ea770fdd1026452883c3ad"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1d3a0061717f9324d388359acef6189ef9e81fdde0bcd71a8c9070a6ff3d3dfe · sha256:e0195a6dc688fa62… · /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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