# CVE-2023-1193: linux: A use-after-free flaw was found in setup_async_work in the KSMBD implementation of the in-kernel samba server and CIF...

CVE-2023-1193 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-1193, released November 1, 2023. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2023-1193
- Priority: Routine
- CVSS: 6.5 (medium)
- EPSS: 0.0105
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 1, 2023

## Description

A use-after-free flaw was found in setup_async_work in the KSMBD implementation of the in-kernel samba server and CIFS in the Linux kernel. This issue could allow an attacker to crash the system by accessing freed work.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.76-1 | [DEBIAN-CVE-2023-1193](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1193.md) | Nov 1, 2023 |
| Linux | linux Debian 13.5 (trixie) | 6.3.7-1 | [DEBIAN-CVE-2023-1193](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1193.md) | Nov 1, 2023 |
| Linux | linux Debian 14 | 6.3.7-1 | [DEBIAN-CVE-2023-1193](https://patchblox.com/security/data/fix/linux/debian-cve-2023-1193.md) | Nov 1, 2023 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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