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CVE-2024-35864smb: client: fix potential UAF in smb2_is_valid_lease_break()
- 9.8CriticalCVSS base score
- 0.66%Exploitation in 30 daysEPSS · top 48% 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_lease_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 |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.66% · top 48% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
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 – < c868cabdf6fdd61bea54532271f4708254e57fc5
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < f92739fdd4522c4291277136399353d7c341fae4
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < a8344e2b69bde63f713b0aa796d70dbeadffddfb
- affected 7f48558e6489d032b1584b0cc9ac4bb11072c034 – < 705c76fbf726c7a2f6ff9143d4013b18daaaebf1
- affected a67172a013953664b1dad03c648200c70b90506c
- affected 3.12.48 – < 3.13
- affected 3.13
- unaffected < 3.13
- unaffected 6.1.85 – ≤ 6.1.*
- unaffected 6.6.26 – ≤ 6.6.*
- unaffected 6.8.5 – ≤ 6.8.*
- unaffected 6.9 – ≤ *
References
References4
- https://git.kernel.org/stable/c/c868cabdf6fdd61bea54532271f4708254e57fc5 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f92739fdd4522c4291277136399353d7c341fae4 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/a8344e2b69bde63f713b0aa796d70dbeadffddfb (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/705c76fbf726c7a2f6ff9143d4013b18daaaebf1 (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-2024-35582 (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-2024-35864)Record last updated .