Vulnerability identifier: #VU85581

Vulnerability risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-0443

CWE-ID: CWE-401

Exploitation vector: Local

Exploit availability: No

Vulnerable software:
Linux kernel
Operating systems & Components / Operating system

Vendor: Linux Foundation

Description
The vulnerability allows a local user to perform DoS attack on the target system.

The vulnerability exists due memory leak in the blkgs destruction path in block/blk-cgroup.c. A local user can perform denial of service attack.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Linux kernel:

---

External links
http://access.redhat.com/security/cve/CVE-2024-0443
http://bugzilla.redhat.com/show_bug.cgi?id=2257968
http://lore.kernel.org/linux-block/20221215033132.230023-3-longman@redhat.com/
http://access.redhat.com/errata/RHSA-2023:7077

---

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.