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Out-of-bounds Write Affecting kernel-rt-modules package, versions <0:5.14.0-70.17.1.rt21.89.el9_0

Severity

 Recommended
0.0
high
0
10

Based on AlmaLinux security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-ALMALINUX9-KERNELRTMODULES-5607580
  • published 28 May 2023
  • disclosed 1 Jul 2022
Report a new vulnerability Found a mistake?

Introduced: 1 Jul 2022

CVE-2022-27666 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade AlmaLinux:9 kernel-rt-modules to version 0:5.14.0-70.17.1.rt21.89.el9_0 or higher.
This issue was patched in ALSA-2022:5267.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-modules package and not the kernel-rt-modules package as distributed by AlmaLinux. See How to fix? for AlmaLinux:9 relevant fixed versions and status.

A heap buffer overflow flaw was found in IPsec ESP transformation code in net/ipv4/esp4.c and net/ipv6/esp6.c. This flaw allows a local attacker with a normal user privilege to overwrite kernel heap objects and may cause a local privilege escalation threat.

References

CVSS Scores

version 3.1
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NVD

7.8 high
  • Attack Vector (AV)
    Local
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    Low
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    High
  • Integrity (I)
    High
  • Availability (A)
    High
Expand this section

SUSE

7.7 high
Expand this section

Red Hat

7.8 high