SB20250226444 - NULL pointer dereference in Linux kernel gpio driver
Published: February 26, 2025 Updated: May 11, 2025
Security Bulletin ID
SB20250226444
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-2022-49072)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the gpiochip_to_irq() and gpiochip_add_irqchip() functions in drivers/gpio/gpiolib.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/0912cf021fb5749372b3782611d8b1de4986c13a
- https://git.kernel.org/stable/c/2c1fa3614795e2b24da1ba95de0b27b8f6ea4537
- https://git.kernel.org/stable/c/5467801f1fcbdc46bc7298a84dbf3ca1ff2a7320
- https://git.kernel.org/stable/c/7e88a50704b0c49ad3f2d11e8b963341cf68a89f
- https://git.kernel.org/stable/c/f8dea54f74cae8c2e4d7b2952e8fed7743a85c87
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17.3