PT-2025-18404 · Linux+10 · Linux Kernel+10
Published
2025-04-13
·
Updated
2026-04-20
·
CVE-2025-23150
CVSS v3.1
5.5
Medium
| Vector | AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
Name of the Vulnerable Software and Affected Versions
Linux kernel versions prior to 6.12.0-rc6-syzkaller-00318-ga9cda7c0ffed
Description
A use-after-free issue was detected in the ext4 insert dentry function due to out-of-bounds access caused by incorrect splitting in do split. This issue can lead to out-of-bounds access and subsequent use-after-free when having too many long name files in a single block. The problem was found by the Linux Verification Center with Syzkaller.
Recommendations
As a temporary workaround, consider disabling the
ext4 insert dentry function until a patch is available.
To resolve the issue, update the Linux kernel to a version that includes the fix for the use-after-free issue in ext4 insert dentry.Exploit
Fix
DoS
Use After Free
Found an issue in the description? Have something to add? Feel free to write us 👾
Related Identifiers
Affected Products
Almalinux
Astra Linux
Centos
Debian
Linuxmint
Linux Kernel
Red Hat
Red Os
Rocky Linux
Suse
Ubuntu