vulnerability

Red Hat: CVE-2023-28466: kernel: tls: race condition in do_tls_getsockopt may lead to use-after-free or NULL pointer dereference (Multiple Advisories)

Severity
7
CVSS
(AV:L/AC:M/Au:S/C:C/I:C/A:C)
Published
Mar 16, 2023
Added
Jun 22, 2023
Modified
Mar 27, 2026

Description

do_tls_getsockopt in net/tls/tls_main.c in the Linux kernel through 6.2.6 lacks a lock_sock call, leading to a race condition (with a resultant use-after-free or NULL pointer dereference).

Solutions

redhat-upgrade-kernelredhat-upgrade-kernel-rt

References

    Title
    Rapid7 Labs

    2026 Global Threat Landscape Report

    The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.