SB20240531521 - NULL pointer dereference in Linux kernel google gve driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531521
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-2021-47141)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the gve_free_notify_blocks() function in drivers/net/ethernet/google/gve/gve_main.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/821149ee88c206fa37e79c1868cc270518484876
- https://git.kernel.org/stable/c/da21a35c00ff1a1794d4f166d3b3fa8db4d0f6fb
- https://git.kernel.org/stable/c/5278c75266c5094d3c0958793bf12fc90300e580
- https://git.kernel.org/stable/c/5218e919c8d06279884aa0baf76778a6817d5b93
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.42
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.9
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.124