Improper Cleanup on Thrown Exception Affecting perf package, versions <0:4.14.238-182.421.amzn2


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (12th percentile)

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  • Snyk IDSNYK-AMZN2-PERF-7678760
  • published14 Aug 2024
  • disclosed25 Mar 2024

Introduced: 25 Mar 2024

CVE-2021-47177  (opens in a new tab)
CWE-460  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 perf to version 0:4.14.238-182.421.amzn2 or higher.
This issue was patched in ALAS2-2021-1685.

NVD Description

Note: Versions mentioned in the description apply only to the upstream perf package and not the perf package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

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

iommu/vt-d: Fix sysfs leak in alloc_iommu()

iommu_device_sysfs_add() is called before, so is has to be cleaned on subsequent errors.

CVSS Scores

version 3.1