SB2024071775 - Improper locking in Linux kernel net
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071775
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) Improper locking (CVE-ID: CVE-2022-48785)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the mld_newpack() function in net/ipv6/mcast.c, within the EXPORT_SYMBOL() function in net/ipv6/addrconf.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/3e11ef1903cf6c2fba35594b193a3570854d9e9e
- https://git.kernel.org/stable/c/27f567c84f446048670376827e356f9c92033bf9
- https://git.kernel.org/stable/c/26394fc118d6115390bd5b3a0fb17096271da227
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.25
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.11
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17