SB20240531481 - NULL pointer dereference in Linux kernel perf driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531481
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-2024-26902)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the pmu_sbi_set_scounteren(), pmu_sbi_reset_scounteren() and pmu_sbi_ovf_handler() functions in drivers/perf/riscv_pmu_sbi.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/3ede8e94de6b834b48b0643385e66363e7a04be9
- https://git.kernel.org/stable/c/9f599ba3b9cc4bdb8ec1e3f0feddd41bf9d296d6
- https://git.kernel.org/stable/c/34b567868777e9fd39ec5333969728a7f0cf179c
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.23
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8