Incorrect Conversion between Numeric Types Affecting perf-debuginfo package, versions <0:4.14.281-144.502.amzn1


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-AMZN201803-PERFDEBUGINFO-5441326
  • published21 Apr 2023
  • disclosed1 Sept 2022

Introduced: 1 Sep 2022

CVE-2022-2639  (opens in a new tab)
CWE-681  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:4.14.281-144.502.amzn1 or higher.
This issue was patched in ALAS-2022-1591.

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:2018.03 relevant fixed versions and status.

An integer coercion error was found in the openvswitch kernel module. Given a sufficiently large number of actions, while copying and reserving memory for a new action of a new flow, the reserve_sfa_size() function does not return -EMSGSIZE as expected, potentially leading to an out-of-bounds write access. This flaw allows a local user to crash or potentially escalate their privileges on the system.

CVSS Scores

version 3.1