Red Hat Security Advisory: kpatch-patch-5_14_0-284_52_1, kpatch-patch-5_14_0-284_79_1, and
Affects Red HatSource GCVE Database
Not known to be exploited.
Data as of 5 Nov 2026, 14:50 UTC
Rated by Threat Radar · No CVSS score from NVD or the CNA
Exploitation evidence
Disclosed: evidence found.
CVE published 8 Jan 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 5 Nov 2026.
What to do
AI-suggested
Red Hat has released official kpatch live patch modules for kernel-5.14.0-284.52.1.el9_2 as part of Red Hat Enterprise Linux 9.2 Extended Update Support to fix this vulnerability. Users should apply the provided kpatch updates (kpatch-patch-5_14_0-284_52_1, kpatch-patch-5_14_0-284_79_1, and kpatch-patch-5_14_0-284_92_1) and reboot their systems to ensure the patch takes effect. Refer to Red Hat's official article https://access.redhat.com/articles/11258 for detailed update instructions.
Description
A race condition vulnerability exists in the multipath TCP (mptcp) implementation in the Linux kernel, specifically in the subflow creation code within mptcp_rcv_space_adjust. This flaw is addressed by a kernel live patch module for Red Hat Enterprise Linux 9.2 Extended Update Support with kernel version 5.14.0-284.52.1.el9_2. The patch must be applied and the system rebooted for the fix to take effect.