#VU103021 NULL pointer dereference in Linux kernel - CVE-2024-57929

Vulnerability identifier: #VU103021

Vulnerability risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-57929

CWE-ID: CWE-476

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 a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the load_ablock() function in drivers/md/persistent-data/dm-array.c. A local user can perform a denial of service (DoS) attack.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

---

External links
https://git.kernel.org/stable/c/017c4470bff53585370028fec9341247bad358ff
https://git.kernel.org/stable/c/6002bec5354f86d1a2df21468f68e3ec03ede9da
https://git.kernel.org/stable/c/e477021d252c007f0c6d45b5d13d341efed03979
https://git.kernel.org/stable/c/f2893c0804d86230ffb8f1c8703fdbb18648abc8

---

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.