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CVE-2024-35865smb: client: fix potential UAF in smb2_is_valid_oplock_break()
- 9.8CriticalCVSS base score
- 0.63%Exploitation in 30 daysEPSS · top 49% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2_is_valid_oplock_break() Skip sessions that are being teared down (status == SES_EXITING) to avoid UAF.
Timeline
ID reserved
By Linux
- 2 days later
· 2 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.63% · top 49% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < a710ef9e974f18232d2b9b19c90eda1a1167b2d4
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 84488466b7a69570bdbf76dd9576847ab97d54e7
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 21fed37d2bdcde33453faf61d3d4d96c355f04bd
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 3dba0e5276f131e36d6d8043191d856f49238628
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 22863485a4626ec6ecf297f4cc0aef709bc862e4
- affected a67172a013953664b1dad03c648200c70b90506c
- affected 3.12.48 – < 3.13
- affected 3.13
- unaffected < 3.13
- unaffected 5.15.209 – ≤ 5.15.*
- unaffected 6.1.85 – ≤ 6.1.*
- unaffected 6.6.26 – ≤ 6.6.*
- unaffected 6.8.5 – ≤ 6.8.*
- unaffected 6.9 – ≤ *
References
References5
- https://git.kernel.org/stable/c/a710ef9e974f18232d2b9b19c90eda1a1167b2d4 (opens in a new tab)
- https://git.kernel.org/stable/c/84488466b7a69570bdbf76dd9576847ab97d54e7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/21fed37d2bdcde33453faf61d3d4d96c355f04bd (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/3dba0e5276f131e36d6d8043191d856f49238628 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/22863485a4626ec6ecf297f4cc0aef709bc862e4 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-35583 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-35865)Record last updated .