Reachable Assertion Affecting kernel-debuginfo-common-x86_64 package, versions <0:6.1.134-150.224.amzn2023


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.07% (22nd percentile)

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  • Snyk IDSNYK-AMZN2023-KERNELDEBUGINFOCOMMONX8664-10496133
  • published24 Jun 2025
  • disclosed18 Apr 2025

Introduced: 18 Apr 2025

CVE-2025-38637  (opens in a new tab)
CWE-617  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 kernel-debuginfo-common-x86_64 to version 0:6.1.134-150.224.amzn2023 or higher.
This issue was patched in ALAS2023-2025-947.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-debuginfo-common-x86_64 package and not the kernel-debuginfo-common-x86_64 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:

net_sched: skbprio: Remove overly strict queue assertions

In the current implementation, skbprio enqueue/dequeue contains an assertion that fails under certain conditions when SKBPRIO is used as a child qdisc under TBF with specific parameters. The failure occurs because TBF sometimes peeks at packets in the child qdisc without actually dequeuing them when tokens are unavailable.

This peek operation creates a discrepancy between the parent and child qdisc queue length counters. When TBF later receives a high-priority packet, SKBPRIO's queue length may show a different value than what's reflected in its internal priority queue tracking, triggering the assertion.

The fix removes this overly strict assertions in SKBPRIO, they are not necessary at all.

CVSS Base Scores

version 3.1