CVE-2023-53861 — NULL Pointer Dereference in Linux
Severity
4.7MEDIUM
No vectorEPSS
0.0%
top 85.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedDec 9
Description
In the Linux kernel, the following vulnerability has been resolved:
ext4: correct grp validation in ext4_mb_good_group
Group corruption check will access memory of grp and will trigger kernel
crash if grp is NULL. So do NULL check before corruption check.
Affected Packages4 packages
▶CVEListV5linux/linux100c0ad6c04597fefeaaba2bb1827cc015d95067 — 245759d987b617d183061db6ab8886ebb5cc78e9+7
🔴Vulnerability Details
3OSV▶
CVE-2023-53861: In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4_mb_good_group Group corruption check will acc↗2025-12-09
GHSA▶
GHSA-9chw-7w35-c7qm: In the Linux kernel, the following vulnerability has been resolved:
ext4: correct grp validation in ext4_mb_good_group
Group corruption check will a↗2025-12-09