Use-after-free in Linux kernel spmi driver

1) Use-after-free

EUVDB-ID: #VU90230

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-2023-52584

CWE-ID: CWE-416 - Use After Free

Exploit availability: No

Description

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

The vulnerability exists due to a use-after-free error within the mtk_spmi_probe() and mtk_spmi_remove() functions in drivers/spmi/spmi-mtk-pmif.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/521f28eedd6b14228c46e3b81e3bf9b90c2818d8
http://git.kernel.org/stable/c/f8dcafcb54632536684336161da8bdd52120f95e
http://git.kernel.org/stable/c/9a3881b1f07db1bb55cb0108e6f05cfd027eaf2e
http://git.kernel.org/stable/c/e821d50ab5b956ed0effa49faaf29912fd4106d9

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.