icon

We found results for “

CVE-2024-0443

Good to know:

icon

Date: January 11, 2024

A flaw was found in the blkgs destruction path in block/blk-cgroup.c in the Linux kernel, leading to a cgroup blkio memory leakage problem. When a cgroup is being destroyed, cgroup_rstat_flush() is only called at css_release_work_fn(), which is called when the blkcg reference count reaches 0. This circular dependency will prevent blkcg and some blkgs from being freed after they are made offline. This issue may allow an attacker with a local access to cause system instability, such as an out of memory error.

Language: C

Severity Score

Severity Score

Weakness Type (CWE)

Exposure of Resource to Wrong Sphere

CWE-668

Transmission of Private Resources into a New Sphere ('Resource Leak')

CWE-402

Top Fix

icon

Upgrade Version

Upgrade to version v6.3.9

Learn More

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

Do you need more information?

Contact Us