CVE-2024-35869smb: client: guarantee refcounted children from parent session
- 9.8CriticalCVSS base score
- 0.65%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: guarantee refcounted children from parent session Avoid potential use-after-free bugs when walking DFS referrals, mounting and performing DFS failover by ensuring that all children from parent @tcon->ses are also refcounted. They're all needed across the entire DFS mount. Get rid of @tcon->dfs_ses_list while we're at it, too.
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 | High8.4 | CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/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)
- 0.65% · top 48% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Affected products
- affected 8e3554150d6c80a84b3cb046615d1a0e943811dc – < 645f332c6b63499cc76197f9b6bffcc659ba64cc
- affected 8e3554150d6c80a84b3cb046615d1a0e943811dc – < e1db9ae87b7148c021daee1fcc4bc71b2ac58a79
- affected 8e3554150d6c80a84b3cb046615d1a0e943811dc – < 062a7f0ff46eb57aff526897bd2bebfdb1d3046a
- affected f30d226bcc9f0e2d97b4a6e94c43a28148fbeab6
- affected c082c3be0f96e759ff2e361d929832fda0b93851
- affected 6.2.15 – < 6.3
- affected 6.3.2 – < 6.4
- affected 6.4
- unaffected < 6.4
- unaffected 6.6.29 – ≤ 6.6.*
- unaffected 6.8.5 – ≤ 6.8.*
- unaffected 6.9 – ≤ *
References
References3
- https://git.kernel.org/stable/c/645f332c6b63499cc76197f9b6bffcc659ba64cc (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/e1db9ae87b7148c021daee1fcc4bc71b2ac58a79 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/062a7f0ff46eb57aff526897bd2bebfdb1d3046a (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-2024-35587 (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-2024-35869)Record last updated .