Use After Free Affecting redhat-virtualization-host-image-update package, versions *


Severity

Recommended
0.0
high
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

Exploit Maturity
Attacked
EPSS
0.06% (31st percentile)

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  • Snyk IDSNYK-RHEL7-REDHATVIRTUALIZATIONHOSTIMAGEUPDATE-4455604
  • published14 Dec 2021
  • disclosed2 Sept 2021

Introduced: 2 Sep 2021

CVE-2021-1048  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 redhat-virtualization-host-image-update.

NVD Description

Note: Versions mentioned in the description apply only to the upstream redhat-virtualization-host-image-update package and not the redhat-virtualization-host-image-update package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

In ep_loop_check_proc of eventpoll.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-204573007References: Upstream kernel

CVSS Scores

version 3.1