Buffer overflow in Linux kernel mhi host driver

1) Buffer overflow

EUVDB-ID: #VU91209

Risk: Low

CVSSv3.1: 7.7 [AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-52494

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to memory corruption within the mhi_del_ring_element() function in drivers/bus/mhi/host/main.c. A local user can escalate privileges on the system.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Linux kernel: All versions

External links

http://git.kernel.org/stable/c/94991728c84f8df54fd9eec9b85855ef9057ea08
http://git.kernel.org/stable/c/2df39ac8f813860f79782807c3f7acff40b3c551
http://git.kernel.org/stable/c/a9ebfc405fe1be145f414eafadcbf09506082010
http://git.kernel.org/stable/c/ecf8320111822a1ae5d5fc512953eab46d543d0b
http://git.kernel.org/stable/c/eff9704f5332a13b08fbdbe0f84059c9e7051d5f

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.