Allocation of Resources Without Limits or Throttling Affecting perf-debuginfo package, versions <1:6.1.175-219.357.amzn2023


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.55% (42nd percentile)

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  • Snyk IDSNYK-AMZN2023-PERFDEBUGINFO-17418012
  • published23 Jun 2026
  • disclosed19 May 2026

Introduced: 19 May 2026

CVE-2026-43493  (opens in a new tab)
CWE-770  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2023 perf-debuginfo to version 1:6.1.175-219.357.amzn2023 or higher.
This issue was patched in ALAS2023-2026-1882.

NVD Description

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

crypto: pcrypt - Fix handling of MAY_BACKLOG requests

MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications.

CVSS Base Scores

version 3.1