SB20240620229 - Improper error handling in Linux kernel irqchip driver
Published: June 20, 2024 Updated: May 13, 2025
Security Bulletin ID
SB20240620229
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) Improper error handling (CVE-ID: CVE-2021-46961)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper error handling within the gic_handle_irq() function in drivers/irqchip/irq-gic-v3.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/e7ea8e46e3b777be26aa855fe07778c415f24926
- https://git.kernel.org/stable/c/7be4db5c2b59fa77071c93ca4329876fb9777202
- https://git.kernel.org/stable/c/ea817ac1014c04f47885532b55f5d0898deadfba
- https://git.kernel.org/stable/c/3f72d3709f53af72835af7dc8b15ba61611a0e36
- https://git.kernel.org/stable/c/a97709f563a078e259bf0861cd259aa60332890a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.36
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.11.20
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.118