SB2024082221 - Out-of-bounds read in Linux kernel mptcp
Published: August 22, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024082221
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) Out-of-bounds read (CVE-ID: CVE-2022-48906)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the mptcp_pending_data_fin() function in net/mptcp/protocol.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/0c3f34beb459753f9f80d0cc14c1b50ab615c631
- https://git.kernel.org/stable/c/03ae283bd71f761feae3f402668d698b393b0e79
- https://git.kernel.org/stable/c/877d11f0332cd2160e19e3313e262754c321fa36
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.27
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.13
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17