CVE-2023-53626 — Double Free in Linux

CWE-415 — Double FreeCWE-459 — Incomplete Cleanup6 documents6 sources
Severity
7.8HIGHNVD
EPSS
0.0%
top 96.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 7
Latest updateApr 20

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶Debianlinux/linux_kernel< 5.10.178-1+3
▶NVDlinux/linux_kernel6 versions+5
▶CVEListV5linux/linux8dac5a63cf79707b547ea3d425fead5f4482198f — c16cbd8233d6c58fc488545393e49b5d55729990+10
▶debiandebian/linux< linux 6.1.25-1 (bookworm)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
VulDB
Linux Kernel up to 6.2.7 ext4 double free (Nessus ID 274646 / WID-SEC-2025-2229)↗2026-04-20
▶
OSV
CVE-2023-53626: In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory↗2025-10-07
▶
GHSA
GHSA-g934-mv7g-597h: In the Linux kernel, the following vulnerability has been resolved: ext4: fix possible double unlock when moving a directory↗2025-10-07
▶

📋Vendor Advisories

2
Red Hat
kernel: ext4: fix possible double unlock when moving a directory↗2025-10-07
▶
Debian
CVE-2023-53626: linux - In the Linux kernel, the following vulnerability has been resolved: ext4: fix p...↗2023
▶