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CVE-2026-31612

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate EaNameLength in smb2_get_ea() smb2_get_ea() reads ea_req->EaNameLength from the client request and passes it directly to strncmp() as the comparison length without verifying that the length of the name really is the size of the input buffer received. Fix this up by properly checking the size of the name based on the value received and the overall size of the request, to prevent a later strncmp() call to use th
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:67b6cb300b2cfb907ef7553e823642ca06968a7c515d18b6ccf3ce2ebff76e11
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"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"859f11e1bc81a4d32bb3ceeae54bcd296ac675d3","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"4b73376feecb3b61172fe5b4ff42bbbb8531669d","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"551dfb15b182abad4600eaf7b37e6eb7000d5b1b","status":"affected","version":"e2f34481b24db2fd634b5e…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["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":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.136","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.83","versionType":"semver"},{"lessThan…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/server/smb2pdu.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"859f11e1bc81a4d32bb3ceeae54bcd296ac675d3","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"4b73376feecb3b61172fe5b4ff42bbbb8531669d","status":"affected","version":"e2f34481b24db2fd634b5edb0a5bd0e4d38cc6e9","versionType":"git"},{"lessThan":"551dfb15b182abad4600eaf7b37e6eb7000d5b1b","status":"affected","version":"e2f34481b24db2fd634b5e…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["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":"6.1.*","status":"unaffected","version":"6.1.175","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.136","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.83","versionType":"semver"},{"lessThan…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/metrics/0/cvssV3_1

Source references

7 source assertions
{"url":"https://git.kernel.org/stable/c/243b206bcb5a7137e8bddd57b2eec81e1ebd3859"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/3363a770b193f555f29d76ddf4ced3305c0ccf6d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/4b73376feecb3b61172fe5b4ff42bbbb8531669d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/551dfb15b182abad4600eaf7b37e6eb7000d5b1b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/66751841212c2cc196577453c37f7774ff363f02"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/859f11e1bc81a4d32bb3ceeae54bcd296ac675d3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/dfc6878d14acafffbe670bf2576620757a10a3d8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:22aafd53cf0c9937125ef9baf8047a078b6a1d749efad68fba425847cd7cc935 · sha256:f783423ab4fb5fd0… · /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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