CVE catalog
CVE-2023-4133
linux: CVE-2023-4133
- Severity
- Medium · CVSS 5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.22% · Oct 25, 2026
A use-after-free vulnerability was found in the cxgb4 driver in the Linux kernel. The bug occurs when the cxgb4 device is detaching due to a possible rearming of the flower_stats_timer from the work queue. This flaw allows a local user to crash the system, causing a denial of service condition.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | linux | sid | 7.2.12-1 | fixed |
| Debian | linux | forky | 7.2.12-1 | fixed |
| Debian | linux | trixie | 6.12.107-1 | fixed |
| Debian | linux | trixie-security | 6.12.113-1 | fixed |
| Debian | linux | bookworm | 6.1.176-1 | vulnerable |
| Debian | linux | bookworm-security | 6.1.190-1 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux | source | sid | 6.3.7-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | forky | 6.3.7-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | trixie | 6.3.7-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2023_3599-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-4133]
- [https://security-tracker.debian.org/tracker/CVE-2023-4133]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-4133.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2024/wid-sec-w-2024-1226.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]