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Improper Locking Affecting kernel-abi-stablelists package, versions <0:4.18.0-477.10.1.el8_8

Severity

 Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELABISTABLELISTS-3145824
  • published 23 Nov 2022
  • disclosed 10 Aug 2022
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Introduced: 10 Aug 2022

CVE-2022-4129 Open this link in a new tab
CWE-667 Open this link in a new tab
CWE-362 Open this link in a new tab
CWE-476 Open this link in a new tab

How to fix?

Upgrade Centos:8 kernel-abi-stablelists to version 0:4.18.0-477.10.1.el8_8 or higher.

NVD Description

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

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol (L2TP). A missing lock when clearing sk_user_data can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service.

References

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)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

5.5 medium
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SUSE

5.5 medium