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


Severity

Recommended
high

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.04% (13th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-AMZN2-KERNEL-7678747
  • 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 kernel 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 kernel package and not the kernel 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