NULL pointer dereference in Linux kernel mailbox driver

1) NULL pointer dereference

EUVDB-ID: #VU105138

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-2024-58022

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

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 th1520_map_mmio() function in drivers/mailbox/mailbox-th1520.c. A local user can perform a denial of service (DoS) attack.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: 6.13 - 6.13.1

CPE2.3

• cpe:2.3:o:linux_foundation:linux_kernel:6.13:*:*:*:*:*:*:*
• cpe:2.3:o:linux_foundation:linux_kernel:6.13.1:*:*:*:*:*:*:*

External links

https://git.kernel.org/stable/c/d0f98e14c010bcf27898b635a54c1994ac4110a8
https://git.kernel.org/stable/c/ecbde88e544ff016fa08bbf2156dc431bb123e9b
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.2

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.