SB2023052301 - Local denial of service in Linux kernel
Published: May 23, 2023
Security Bulletin ID
SB2023052301
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2023-33288)
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.
Remediation
Install update from vendor's website.
References
- 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