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VulnerabilityPublished Updated

CVE-2024-42139: Linux kernel · ice: Fix improper extts handling

Affects Linux kernelSource GCVE Database

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Not known to be exploited.

Data as of 30 Oct 2026, 15:20 UTC

Severity
Medium

Rated Medium by Threat Radar's AI analysis · No CVSS score from NVD or the CNA

Thin evidence

One scorer or none

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 30 Jul 2024

  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 30 Oct 2026.

What to do

AI-suggested

A fix has been implemented in the Linux kernel to disable extts events when PTP is released, preventing the kernel crash and residual event firing. Users should apply the updated kernel version containing this fix once available. No additional mitigation steps are indicated.

Description

A vulnerability in the Linux kernel's ice driver related to improper handling of extts events has been fixed. When the driver is removed while the ts2phc application is running, an extts event may remain enabled, potentially causing a kernel crash. Additionally, if the driver is reloaded and the application restarted, residual extts events from a previous run may continue firing, generating unexpected messages. The fix ensures extts events are disabled when the Precision Time Protocol (PTP) is released to prevent these issues.

References

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