CVE-2022-36946 Affecting kernel-rt-modules-extra package, versions <0:4.18.0-425.3.1.rt7.213.el8


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.9% (84th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELRTMODULESEXTRA-2976605
  • published 8 Aug 2022
  • disclosed 26 Jul 2022

How to fix?

Upgrade Centos:8 kernel-rt-modules-extra to version 0:4.18.0-425.3.1.rt7.213.el8 or higher.

NVD Description

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

nfqnl_mangle in net/netfilter/nfnetlink_queue.c in the Linux kernel through 5.18.14 allows remote attackers to cause a denial of service (panic) because, in the case of an nf_queue verdict with a one-byte nfta_payload attribute, an skb_pull can encounter a negative skb->len.

CVSS Scores

version 3.1
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NVD

7.5 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    None
  • Integrity (I)
    None
  • Availability (A)
    High
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Red Hat

6.2 medium
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SUSE

7.5 high