SB20250502185 - NULL pointer dereference in Linux kernel trace
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502185
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-2022-49798)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the eprobe_trigger_func() function in kernel/trace/trace_eprobe.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/7291dec4f2d17a2d3fd1f789fb41e58476539f21
- https://git.kernel.org/stable/c/73f5191467ffe3af82f27fe0ea6a8c2fac724d3f
- https://git.kernel.org/stable/c/94eedf3dded5fb472ce97bfaf3ac1c6c29c35d26
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.80
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.10
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1