SB20240531449 - NULL pointer dereference in Linux kernel powerpc perf
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531449
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) NULL pointer dereference (CVE-ID: CVE-2023-52675)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the update_events_in_group() function in arch/powerpc/perf/imc-pmu.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/75fc599bcdcb1de093c9ced2e3cccc832f3787f3
- https://git.kernel.org/stable/c/1e80aa25d186a7aa212df5acd8c75f55ac8dae34
- https://git.kernel.org/stable/c/5a669f3511d273c8c1ab1c1d268fbcdf53fc7a05
- https://git.kernel.org/stable/c/f105c263009839d80fad6998324a4e1b3511cba0
- https://git.kernel.org/stable/c/a2da3f9b1a1019c887ee1d164475a8fcdb0a3fec
- https://git.kernel.org/stable/c/024352f7928b28f53609660663329d8c0f4ad032
- https://git.kernel.org/stable/c/c7d828e12b326ea50fb80c369d7aa87519ed14c6
- https://git.kernel.org/stable/c/0a233867a39078ebb0f575e2948593bbff5826b3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.306
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.209
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.148
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.268
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.75
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8