# CVE-2023-32253: linux: A flaw was found in the Linux kernel's ksmbd component CVE-2023-32253 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-32253, released August 2, 2025. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2023-32253 - Priority: Routine - CVSS: 5.9 (medium) - EPSS: 0.0033 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 2, 2025 ## Description A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | linux Debian 12.15 (bookworm) | 6.1.37-1 | [DEBIAN-CVE-2023-32253](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32253.md) | Aug 2, 2025 | | Linux | linux Debian 13.5 (trixie) | 6.3.7-1 | [DEBIAN-CVE-2023-32253](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32253.md) | Aug 2, 2025 | | Linux | linux Debian 14 | 6.3.7-1 | [DEBIAN-CVE-2023-32253](https://patchblox.com/security/data/fix/linux/debian-cve-2023-32253.md) | Aug 2, 2025 | --- Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.