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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, 14:48 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

Red Hat has released a fixed kernel update for affected Red Hat Enterprise Linux 8.4 variants. Users should apply the update as described in the Red Hat advisory and reboot their systems to ensure the fix is active. No other mitigation steps are indicated.

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 (CVE-2024-53122). This flaw could potentially lead to unexpected behavior or instability in the kernel. Red Hat has issued a security advisory and released an updated kernel package to address this issue for Red Hat Enterprise Linux 8.4 variants. Systems must be rebooted after applying the update for the fix to take effect.

References

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