Information Exposure Affecting perf-debuginfo package, versions <0:4.14.143-91.122.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.05% (20th percentile)

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  • Snyk IDSNYK-AMZN201803-PERFDEBUGINFO-1718702
  • published27 Sept 2021
  • disclosed4 Sept 2019

Introduced: 4 Sep 2019

CVE-2019-15902  (opens in a new tab)
CWE-200  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 perf-debuginfo to version 0:4.14.143-91.122.amzn1 or higher.
This issue was patched in ALAS-2019-1281.

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.

A backporting error was discovered in the Linux stable/longterm kernel 4.4.x through 4.4.190, 4.9.x through 4.9.190, 4.14.x through 4.14.141, 4.19.x through 4.19.69, and 5.2.x through 5.2.11. Misuse of the upstream "x86/ptrace: Fix possible spectre-v1 in ptrace_get_debugreg()" commit reintroduced the Spectre vulnerability that it aimed to eliminate. This occurred because the backport process depends on cherry picking specific commits, and because two (correctly ordered) code lines were swapped.

CVSS Scores

version 3.1