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CVE-2026-31535

In the Linux kernel, the following vulnerability has been resolved: smb: client: make use of smbdirect_socket.recv_io.credits.available The logic off managing recv credits by counting posted recv_io and granted credits is racy. That's because the peer might already consumed a credit, but between receiving the incoming recv at the hardware and processing the completion in the 'recv_done' functions we likely have a window where we grant credits, which don't really exist. So we better have a de
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:803e2c217af44c20b1f82b5f9c0f72b32af5d2aa86f295a2851e92405b54706b
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/client/smbdirect.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f664e6e8a81103cb45c8802a9bc7499e0902c458","status":"affected","version":"5fb9b459b3686e366640edd4e62805ef7b4de927","versionType":"git"},{"lessThan":"be8845ad5d6558703d20567d8702155598325db8","status":"affected","version":"5fb9b459b3686e366640edd4e62805ef7b4de927","versionType":"git"},{"lessThan":"9911b1ed187a770a43950bf51f340ad4b7beecba","status":"affected","version":"5fb9b459b3686e366640…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae2826690cd6f6330d155c3a01c0cf8167af58dea0ae0d9c42865707e91b82e4 · sha256:e49e39b761ea2848… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/client/smbdirect.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.11","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.1","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae2826690cd6f6330d155c3a01c0cf8167af58dea0ae0d9c42865707e91b82e4 · sha256:e49e39b761ea2848… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/smb/client/smbdirect.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f664e6e8a81103cb45c8802a9bc7499e0902c458","status":"affected","version":"5fb9b459b3686e366640edd4e62805ef7b4de927","versionType":"git"},{"lessThan":"be8845ad5d6558703d20567d8702155598325db8","status":"affected","version":"5fb9b459b3686e366640edd4e62805ef7b4de927","versionType":"git"},{"lessThan":"9911b1ed187a770a43950bf51f340ad4b7beecba","status":"affected","version":"5fb9b459b3686e366640…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae2826690cd6f6330d155c3a01c0cf8167af58dea0ae0d9c42865707e91b82e4 · sha256:e49e39b761ea2848… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/smb/client/smbdirect.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.18"},{"lessThan":"6.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.11","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.1","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:ae2826690cd6f6330d155c3a01c0cf8167af58dea0ae0d9c42865707e91b82e4 · sha256:e49e39b761ea2848… · /containers/cna/affected/1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/9911b1ed187a770a43950bf51f340ad4b7beecba"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae2826690cd6f6330d155c3a01c0cf8167af58dea0ae0d9c42865707e91b82e4 · sha256:e49e39b761ea2848… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/be8845ad5d6558703d20567d8702155598325db8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae2826690cd6f6330d155c3a01c0cf8167af58dea0ae0d9c42865707e91b82e4 · sha256:e49e39b761ea2848… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/f664e6e8a81103cb45c8802a9bc7499e0902c458"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:ae2826690cd6f6330d155c3a01c0cf8167af58dea0ae0d9c42865707e91b82e4 · sha256:e49e39b761ea2848… · /containers/cna/references/0

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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