Incorrect Calculation of Buffer Size Affecting kernel-tools-libs-devel package, versions <0:4.18.0-348.12.2.el8_5


Severity

Recommended
high

Based on AlmaLinux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-ALMALINUX8-KERNELTOOLSLIBSDEVEL-5658330
  • published28 May 2023
  • disclosed19 Jan 2022

Introduced: 19 Jan 2022

CVE-2021-4155  (opens in a new tab)
CWE-131  (opens in a new tab)

How to fix?

Upgrade AlmaLinux:8 kernel-tools-libs-devel to version 0:4.18.0-348.12.2.el8_5 or higher.
This issue was patched in ALSA-2022:0188.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-tools-libs-devel package and not the kernel-tools-libs-devel package as distributed by AlmaLinux. See How to fix? for AlmaLinux:8 relevant fixed versions and status.

A data leak flaw was found in the way XFS_IOC_ALLOCSP IOCTL in the XFS filesystem allowed for size increase of files with unaligned size. A local attacker could use this flaw to leak data on the XFS filesystem otherwise not accessible to them.

CVSS Scores

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