Red Hat Security Advisory: kernel security update
Affects Linux kernelSource 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
Apply the Red Hat kernel security update as described in advisory RHSA-2025:0055 for Red Hat Enterprise Linux 8.6. The update includes the fix for CVE-2024-53122 and requires a system reboot to activate the patch. Follow Red Hat's official guidance at https://access.redhat.com/articles/11258 for update procedures.
Description
A race condition vulnerability exists in the Linux kernel's Multipath TCP (MPTCP) implementation, specifically in the subflow creation process within the mptcp_rcv_space_adjust function. This flaw is identified as CVE-2024-53122 and affects Red Hat Enterprise Linux 8.6 kernel packages. The issue has been rated as important by Red Hat Product Security, with a high severity level. A security update addressing this vulnerability has been released and requires a system reboot to take effect.