CVE-2024-38580 Affecting kernel-debuginfo package, versions <0:6.1.94-99.176.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.14% (36th percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELDEBUGINFO-10337322
  • published11 Jun 2025
  • disclosed19 Jun 2024

Introduced: 19 Jun 2024

CVE-2024-38580  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-debuginfo to version 0:6.1.94-99.176.amzn2023 or higher.
This issue was patched in ALAS2023-2024-683.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo package and not the kernel-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2023 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

epoll: be better about file lifetimes

epoll can call out to vfs_poll() with a file pointer that may race with the last 'fput()'. That would make f_count go down to zero, and while the ep->mtx locking means that the resulting file pointer tear-down will be blocked until the poll returns, it means that f_count is already dead, and any use of it won't actually get a reference to the file any more: it's dead regardless.

Make sure we have a valid ref on the file pointer before we call down to vfs_poll() from the epoll routines.

CVSS Base Scores

version 3.1