CVE catalog

CVE-2023-53827

linux: CVE-2023-53827

Severity: High · CVSS 8.8CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Jan 1, 2023, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.39% · Oct 25, 2026

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2cap_disconnect_{req,rsp} Similar to commit d0be8347c623 ("Bluetooth: L2CAP: Fix use-after-free caused by l2cap_chan_put"), just use l2cap_chan_hold_unless_zero to prevent referencing a channel that is about to be destroyed.

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	`4.14.313`	fixed
Linux	Kernel	Not reported	`4.19.281`	fixed
Linux	Kernel	Not reported	`5.4.241`	fixed
Linux	Kernel	Not reported	`5.10.178`	fixed
Linux	Kernel	Not reported	`5.15.108`	fixed
Linux	Kernel	Not reported	`6.1.25`	fixed
Linux	Kernel	Not reported	`6.2.12`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	linux	source	sid	`6.1.25-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	forky	`6.1.25-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	trixie	`6.1.25-1`	not yet assigned	Not reported	Not reported
Debian	linux	source	bookworm	`6.1.25-1`	not yet assigned	Not reported	Not reported
Linux	Kernel	Linux	Not reported	`4.14.313`	Not reported	CVE-2023-53827	Not reported
Linux	Kernel	Linux	Not reported	`4.19.281`	Not reported	CVE-2023-53827	Not reported
Linux	Kernel	Linux	Not reported	`5.4.241`	Not reported	CVE-2023-53827	Not reported
Linux	Kernel	Linux	Not reported	`5.10.178`	Not reported	CVE-2023-53827	Not reported
Linux	Kernel	Linux	Not reported	`5.15.108`	Not reported	CVE-2023-53827	Not reported
Linux	Kernel	Linux	Not reported	`6.1.25`	Not reported	CVE-2023-53827	Not reported
Linux	Kernel	Linux	Not reported	`6.2.12`	Not reported	CVE-2023-53827	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[bpftool]Unknown
Source package: [linux]
Details (6)
- 7.1.0+6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 7.1.0+6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 7.5.0+6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 7.5.0+6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 7.1.0+6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 7.1.0+6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[hyperv-daemons]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[intel-sdsi]Unknown
Source package: [linux]
Details (1)
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[libcpupower1]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[libcpupower-dev]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-bpf-dev]Unknown
Source package: [linux]
Details (2)
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-compiler-gcc-12-x86]Unknown
Source package: [linux]
Details (2)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-config-6.1]Unknown
Source package: [linux]
Details (4)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-cpupower]Unknown
Source package: [linux]
Details (6)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · amd64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · arm64 · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · amd64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · arm64 · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-doc]Unknown
Source package: [linux]
Details (32)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.43-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.43-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.57-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.57-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.63-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.63-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.69-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.69-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.73-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.73-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.74-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.74-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.85-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.85-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.86-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.86-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.88-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.88-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.90-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.90-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.90-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.90-2~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.94-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.94-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.12.95-1~bpo12+1 · all · bookworm-backports
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-doc-6.1]Unknown
Source package: [linux]
Details (6)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.176-1 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.180-1 · all · bookworm-security
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-arm64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-cloud-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-cloud-arm64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-common]Unknown
Source package: [linux]
Details (2)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-common-rt]Unknown
Source package: [linux]
Details (2)
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
- 6.1.170-3 · all · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-rt-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-47-rt-arm64]Unknown
Source package: [linux]
Details (1)
- 6.1.170-3 · arm64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm
[linux-headers-6.1.0-50-amd64]Unknown
Source package: [linux]
Details (1)
- 6.1.176-1 · amd64 · bookworm
  Fixed · Fixed: 6.1.25-1
  dsa · linux · debian · bookworm

Next results

Observed: Oct 24, 2026, 4:08:40 PM UTC

References

[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]