SB2025100828 - Memory leak in Linux kernel sw rxe driver
Published: October 8, 2025 Updated: October 27, 2025
Security Bulletin ID
SB2025100828
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) Memory leak (CVE-ID: CVE-2022-50543)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the rxe_mr_alloc() and rxe_mr_init_user() functions in drivers/infiniband/sw/rxe/rxe_mr.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/06f73568f553b5be6ba7f6fe274d333ea29fc46d
- https://git.kernel.org/stable/c/6ce577f09013206e36e674cd27da3707b2278268
- https://git.kernel.org/stable/c/7d984dac8f6bf4ebd3398af82b357e1d181ecaac
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.0.16
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.2