SB2025050432 - NULL pointer dereference in Linux kernel errata sifive
Published: May 4, 2025 Updated: May 10, 2025
Security Bulletin ID
SB2025050432
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-2023-53122)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the sifive_errata_patch_func() function in arch/riscv/errata/sifive/errata.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/2feac714c6818f7767cfc21a3c10fa926b7398a3
- https://git.kernel.org/stable/c/96a1600461957731b6d8ff3563c9f94b315bdaa1
- https://git.kernel.org/stable/c/bf89b7ee52af5a5944fa3539e86089f72475055b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.3