What is CVE-2024-42139?

CVE-2024-42139 is a medium-severity vulnerability in Linux, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2024-07-30.

How severe is CVE-2024-42139?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in Linux

CVE-2024-42139

In the Linux kernel, the following vulnerability has been resolved: ice: Fix improper extts handling Extts events are disabled and enabled by the application ts2phc. However, in case where the driver is removed when the application is running, a specific extts event remains enabled and can cause a kernel crash. As a side effect, when the driver is reloaded and application is started again, remaining extts event for the channel from a previous run will keep firing and the message "extts on unexpected channel" might be printed to the user. To avoid that, extts events shall be disabled when PTP is released.

EPSS: 0.002 (10.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 172db5f91d5f7b91670c68a7547798b0b5374158, 5.14, 0
Linux Linux_kernel — versions 6.10

Weakness classification (CWE)

CWE-754 — Improper Check for Unusual or Exceptional Conditions

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2024-42139?: CVE-2024-42139 is a medium-severity vulnerability in Linux, classified under Improper Check for Unusual or Exceptional Conditions. CVSS score: 5.5/10. Published 2024-07-30.
How severe is CVE-2024-42139?: Medium severity. CVSS v3 base score is 5.5 out of 10.