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CVE-2023-53358
ksmbd: fix racy issue under cocurrent smb2 tree disconnect
High8.8EPSS 0.38%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix racy issue under cocurrent smb2 tree disconnect There is UAF issue under cocurrent smb2 tree disconnect. This patch introduce TREE_CONN_EXPIRE flags for tcon to avoid cocurrent access.
Timeline
ID reserved
By Linux
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 | High8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CISA-ADPADP (enrichment) | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.0 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.38% · top 67% of all CVEs (7 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: High 8.8.
Weakness
Affected products
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < b36295c17fb97424406f0c3ab321b1ccaabb9be8
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < dc1c17716c099c90948ebb83e2170dd75a3be6b6
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < 39366b47a59d46af15ac57beb0996268bf911f6a
- affected 0626e6641f6b467447c81dd7678a69c66f7746cf – < 30210947a343b6b3ca13adc9bfc88e1543e16dd5
- affected 5.15
- unaffected < 5.15
- unaffected 5.15.145 – ≤ 5.15.*
- unaffected 6.1.28 – ≤ 6.1.*
- unaffected 6.2.15 – ≤ 6.2.*
- unaffected 6.3.2 – ≤ 6.3.*
- unaffected 6.4 – ≤ *
References (5)
- https://git.kernel.org/stable/c/b36295c17fb97424406f0c3ab321b1ccaabb9be8 (opens in a new tab)
- https://git.kernel.org/stable/c/bd80d35725a0cf4df9307bfe2f1a3b2cb983d8e6 (opens in a new tab)
- https://git.kernel.org/stable/c/dc1c17716c099c90948ebb83e2170dd75a3be6b6 (opens in a new tab)
- https://git.kernel.org/stable/c/39366b47a59d46af15ac57beb0996268bf911f6a (opens in a new tab)
- https://git.kernel.org/stable/c/30210947a343b6b3ca13adc9bfc88e1543e16dd5 (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)
- 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://trackcve.app/cve/CVE-2023-53358)Record last updated .