Incorrect Calculation of Buffer Size Affecting perf-debuginfo package, versions <0:4.18.0-348.12.2.el8_5


Severity

Recommended
high

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ROCKY8-PERFDEBUGINFO-3278206
  • published 3 Feb 2023
  • disclosed 24 Aug 2022

How to fix?

Upgrade Rocky-Linux:8 perf-debuginfo to version 0:4.18.0-348.12.2.el8_5 or higher.
This issue was patched in RLSA-2022:0188.

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 Rocky-Linux. See How to fix? for Rocky-Linux: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

version 3.1
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NVD

5.5 medium
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    None
  • Availability (A)
    None
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SUSE

5.5 medium
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Red Hat

5.5 medium