CVE catalog
CVE-2023-54214
linux: CVE-2023-54214
- Severity
- High · CVSS 8.8
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.30% · Oct 25, 2026
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix potential user-after-free This fixes all instances of which requires to allocate a buffer calling alloc_skb which may release the chan lock and reacquire later which makes it possible that the chan is disconnected in the meantime.
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 | fixed |
| Debian | linux | bookworm-security | 6.1.190-1 | fixed |
| Linux | Kernel | Not reported | 4.14.308 | fixed |
| Linux | Kernel | Not reported | 4.19.276 | fixed |
| Linux | Kernel | Not reported | 5.4.235 | fixed |
| Linux | Kernel | Not reported | 5.10.173 | fixed |
| Linux | Kernel | Not reported | 5.15.99 | fixed |
| Linux | Kernel | Not reported | 6.1.16 | fixed |
| Linux | Kernel | Not reported | 6.2.3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | linux | source | sid | 6.1.20-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | forky | 6.1.20-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | trixie | 6.1.20-1 | not yet assigned | Not reported | Not reported |
| Debian | linux | source | bookworm | 6.1.20-1 | not yet assigned | Not reported | Not reported |
| Linux | Kernel | Linux | Not reported | 4.14.308 | Not reported | CVE-2023-54214 | Not reported |
| Linux | Kernel | Linux | Not reported | 4.19.276 | Not reported | CVE-2023-54214 | Not reported |
| Linux | Kernel | Linux | Not reported | 5.4.235 | Not reported | CVE-2023-54214 | Not reported |
| Linux | Kernel | Linux | Not reported | 5.10.173 | Not reported | CVE-2023-54214 | Not reported |
| Linux | Kernel | Linux | Not reported | 5.15.99 | Not reported | CVE-2023-54214 | Not reported |
| Linux | Kernel | Linux | Not reported | 6.1.16 | Not reported | CVE-2023-54214 | Not reported |
| Linux | Kernel | Linux | Not reported | 6.2.3 | Not reported | CVE-2023-54214 | Not reported |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/rhsa-2026_71329.json]
- [https://nvd.nist.gov/vuln/detail/CVE-2023-54214]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-54214]
- [https://security-tracker.debian.org/tracker/CVE-2023-54214]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-54214.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2025/wid-sec-w-2025-2941.json]
[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]