CVE-2023-54305 — NULL Pointer Dereference in Linux
Severity
5.5MEDIUM
No vectorEPSS
0.0%
top 89.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 30
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: refuse to create ea block when umounted
The ea block expansion need to access s_root while it is
already set as NULL when umount is triggered. Refuse this
request to avoid panic.
Affected Packages4 packages
▶CVEListV5linux/linuxe50e5129f384ae282adebfb561189cdb19b81cee — aedea161d031502a423ed1c7597754681a4f8cda+8
🔴Vulnerability Details
3OSV▶
CVE-2023-54305: In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to acces↗2025-12-30
GHSA▶
GHSA-xp6q-4ch5-xqhr: In the Linux kernel, the following vulnerability has been resolved:
ext4: refuse to create ea block when umounted
The ea block expansion need to acc↗2025-12-30