SB2025040275 - NULL pointer dereference in Linux kernel net caif driver
Published: April 2, 2025 Updated: May 11, 2025
Security Bulletin ID
SB2025040275
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-2025-21904)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the drivers/net/caif/caif_virtio.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/29e0cd296c87240278e2f7ea4cf3f496b60c03af
- https://git.kernel.org/stable/c/56cddf71cce3b15b078e937fadab29962b6f6643
- https://git.kernel.org/stable/c/597c27e5f04cb50e56cc9aeda75d3e42b6b89c3e
- https://git.kernel.org/stable/c/7b5fe58959822e6cfa884327cabba6be3b01883d
- https://git.kernel.org/stable/c/8e4e08ca4cc634b337bb74bc9a70758fdeda0bcb
- https://git.kernel.org/stable/c/90d302619ee7ce5ed0c69c29c290bdccfde66418
- https://git.kernel.org/stable/c/990fff6980d0c1693d60a812f58dbf93eab0473f
- https://git.kernel.org/stable/c/a466fd7e9fafd975949e5945e2f70c33a94b1a70
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.179
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.291
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.131
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12.19
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.13.7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.83