Red Hat Security Advisory: kpatch-patch-5_14_0-503_15_1 security update
Affects Red Hat kpatch-patch-5_14_0-503_15_1Source 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 an official security update in the form of a kpatch live patch module for kernel-5.14.0-503.15.1.el9_5. Users should apply this update promptly and reboot their systems to ensure the patch takes effect. Detailed instructions for applying the update are available in the Red Hat advisory. No additional mitigations are specified beyond applying the official patch and rebooting.
Description
A security update for the Red Hat Enterprise Linux kernel live patch module kpatch-patch-5_14_0-503_15_1 addresses a race condition vulnerability in the multipath TCP (mptcp) implementation. The flaw involves racing subflow creation in the mptcp_rcv_space_adjust function, identified as CVE-2024-53122. This vulnerability affects kernel version 5.14.0-503.15.1.el9_5 and related Red Hat Enterprise Linux 9 variants. The update requires a system reboot to take effect.