CVE-2024-50285ksmbd: check outstanding simultaneous SMB operations
- 7.5HighCVSS base score
- 0.62%Exploitation in 30 daysEPSS · top 50% 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: ksmbd: check outstanding simultaneous SMB operations If Client send simultaneous SMB operations to ksmbd, It exhausts too much memory through the "ksmbd_work_cache”. It will cause OOM issue. ksmbd has a credit mechanism but it can't handle this problem. This patch add the check if it exceeds max credits to prevent this problem by assuming that one smb request consumes at least one credit.
Timeline
ID reserved
By Linux
- 29 days later
· 29 days later
Published
- 24 months later
· 24 months 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 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.62% · top 50% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.5.
Affected products
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < d2e2830c19824c221b6f5e17bf272438cc0e601c
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < 1f993777275cbd8f74765c4f9d9285cb907c9be5
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < e257ac6fe138623cf59fca8898abdf659dbc8356
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < 0a77d947f599b1f39065015bec99390d0c0022ee
- affected 5.15
- unaffected < 5.15
- unaffected 6.1.191 – ≤ 6.1.*
- unaffected 6.6.61 – ≤ 6.6.*
- unaffected 6.11.8 – ≤ 6.11.*
- unaffected 6.12 – ≤ *
References
References4
- https://git.kernel.org/stable/c/d2e2830c19824c221b6f5e17bf272438cc0e601c (opens in a new tab)
- https://git.kernel.org/stable/c/1f993777275cbd8f74765c4f9d9285cb907c9be5 (opens in a new tab)
- https://git.kernel.org/stable/c/e257ac6fe138623cf59fca8898abdf659dbc8356 (opens in a new tab)
- https://git.kernel.org/stable/c/0a77d947f599b1f39065015bec99390d0c0022ee (opens in a new tab)
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-2024-45176 (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-2024-50285)Record last updated .