#VU76410 Use-after-free in Linux kernel - CVE-2023-33288

Vulnerability identifier: #VU76410

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-2023-33288

CWE-ID: CWE-416

Exploitation vector: Local

Exploit availability: No

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

Vendor: Linux Foundation

Description

The vulnerability allows a local authenticated user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error within the bq24190_remove function in drivers/power/supply/bq24190_charger.c. A local authenticated user can trigger a use-after-free error and perform a denial of service (DoS) attack.

Mitigation
Update to version 6.2.9.

Vulnerable software versions

Linux kernel: before 6.2.9, 6.2.9

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External links
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=47c29d69212911f50bdcdd0564b5999a559010d4
https://lore.kernel.org/all/CAHk-=whcaHLNpb7Mu_QX7ABwPgyRyfW-V8=v4Mv0S22fpjY4JQ@mail.gmail.com/
https://lore.kernel.org/lkml/20230309174728.233732-1-zyytlz.wz@163.com/
https://github.com/torvalds/linux/commit/47c29d69212911f50bdcdd0564b5999a559010d4
https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.9

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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.