Use-after-free in Linux kernel - CVE-2023-33288
Published: May 22, 2023
Vulnerability identifier: #VU76410
CSH Severity: Low
CVSS v4.0: 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 access
Exploit availability:
No public exploit available
Vendor: Linux Foundation
Affected software:
Linux kernel
Linux kernel
Detailed vulnerability 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.
How to mitigate CVE-2023-33288
Update to version 6.2.9.
Sources
- 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