SB20240531466 - NULL pointer dereference in Linux kernel ethernet sfc driver
Published: May 31, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240531466
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-2022-48647)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the efx_probe_interrupts() function in drivers/net/ethernet/sfc/efx_channels.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/b4afd3878f961d3517f27b3213730fceef77945c
- https://git.kernel.org/stable/c/360910b88d1466a90644a4e0533803b594344a2b
- https://git.kernel.org/stable/c/5f623a77cfc2d501d72bcb4f9ee71721e6c766ff
- https://git.kernel.org/stable/c/f232af4295653afa4ade3230462b3be15ad16419
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.146
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.71
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.19.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0