SB2024042238 - Denial of service in Linux kernel powerpc
Published: April 22, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024042238
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) Input validation error (CVE-ID: CVE-2021-46990)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in arch/powerpc/lib/feature-fixups.c. A local user can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/8382b15864e5014261b4f36c2aa89723612ee058
- https://git.kernel.org/stable/c/0c25a7bb697f2e6ee65b6d63782f675bf129511a
- https://git.kernel.org/stable/c/ee4b7aab93c2631c3bb0753023c5dda592bb666b
- https://git.kernel.org/stable/c/2db22ba4e0e103f00e0512e0ecce36ac78c644f8
- https://git.kernel.org/stable/c/0b4eb172cc12dc102cd0ad013e53ee4463db9508
- https://git.kernel.org/stable/c/d2e3590ca39ccfd8a5a46d8c7f095cb6c7b9ae92
- https://git.kernel.org/stable/c/dd0d6117052faace5440db20fc37175efe921c7d
- https://git.kernel.org/stable/c/5bc00fdda1e934c557351a9c751a205293e68cbf
- https://git.kernel.org/stable/c/aec86b052df6541cc97c5fca44e5934cbea4963b
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.233
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.191
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.269
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.269
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.38
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.22
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.5
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.120