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CVE-2023-53399ksmbd: fix NULL pointer dereference in smb2_get_info_filesystem()
- 7.5HighCVSS base score
- 0.29%Exploitation in 30 daysEPSS · top 79% 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: fix NULL pointer dereference in smb2_get_info_filesystem() If share is , share->path is NULL and it cause NULL pointer dereference issue.
Timeline
ID reserved
By Linux
- 1 day later
· 1 day later
Published
- 11 months later
· 11 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)
- 0.29% · top 79% of all CVEs (13 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: High 7.5.
Affected products
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < 227eb2689b44d0d60da3839b146983e73435924c
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < a70751dd7b60eab025e97e19b6b2477c6eaf2bbb
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < b35f6c031b87d9e51f141ff6de0ea59756a8e313
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < 1636e09779f83e10e6ed57d91ef94abcefdd206b
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < 3ac00a2ab69b34189942afa9e862d5170cdcb018
- affected 5.15
- unaffected < 5.15
- unaffected 5.15.111 – ≤ 5.15.*
- unaffected 6.1.28 – ≤ 6.1.*
- unaffected 6.2.15 – ≤ 6.2.*
- unaffected 6.3.2 – ≤ 6.3.*
- unaffected 6.4 – ≤ *
References
References5
- https://git.kernel.org/stable/c/227eb2689b44d0d60da3839b146983e73435924c (opens in a new tab)
- https://git.kernel.org/stable/c/a70751dd7b60eab025e97e19b6b2477c6eaf2bbb (opens in a new tab)
- https://git.kernel.org/stable/c/b35f6c031b87d9e51f141ff6de0ea59756a8e313 (opens in a new tab)
- https://git.kernel.org/stable/c/1636e09779f83e10e6ed57d91ef94abcefdd206b (opens in a new tab)
- https://git.kernel.org/stable/c/3ac00a2ab69b34189942afa9e862d5170cdcb018 (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-2025-29941 (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-2023-53399)Record last updated .