SB2024060537 - Off-by-one in Linux kernel irqchip driver
Published: June 5, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060537
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) Off-by-one (CVE-ID: CVE-2021-47373)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an off-by-one error within the its_vpe_irq_domain_alloc() function in drivers/irqchip/irq-gic-v3-its.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/7d39992d45acd6f2d6b2f62389c55b61fb3d486b
- https://git.kernel.org/stable/c/5701e8bff314c155e7afdc467b1e0389d86853d0
- https://git.kernel.org/stable/c/42d3711c23781045e7a5cd28536c774b9a66d20b
- https://git.kernel.org/stable/c/568662e37f927e3dc3e475f3ff7cf4ab7719c5e7
- https://git.kernel.org/stable/c/e0c1c2e5da19685a20557a50f10c6aa4fa26aa84
- https://git.kernel.org/stable/c/280bef512933b2dda01d681d8cbe499b98fc5bdd
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.249
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.209
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.70
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.150