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CVE-2024-53122VulnerabilityPublished Updated

Red Hat Security Advisory: kernel security update

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

Data as of 5 Nov 2026, 14:50 UTC

Severity
High

Rated by Threat Radar · No CVSS score from NVD or the CNA

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 8 Jan 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq 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.

References

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