SB2024031844 - Remote denial of service in Linux kernel TLS implementation
Published: March 18, 2024 Updated: May 14, 2025
Security Bulletin ID
SB2024031844
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Race condition (CVE-ID: CVE-2024-26583)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a race condition between async notify and socket close in TLS implementation in net/tls/tls_sw.c. A remote attacker can send specially crafted traffic to the system, trigger a race condition and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/aec7961916f3f9e88766e2688992da6980f11b8d
- https://git.kernel.org/stable/c/7a3ca06d04d589deec81f56229a9a9d62352ce01
- https://git.kernel.org/stable/c/86dc27ee36f558fe223dbdfbfcb6856247356f4a
- https://git.kernel.org/stable/c/6209319b2efdd8524691187ee99c40637558fa33
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6