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CVE-2023-52340 Affecting kernel-devel package, versions <0:4.18.0-553.el8_10

Severity

 Recommended
medium

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-ROCKY8-KERNELDEVEL-7263969
  • published 15 Jun 2024
  • disclosed 5 Jul 2024
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Introduced: 15 Jun 2024

CVE-2023-52340 Open this link in a new tab

How to fix?

Upgrade Rocky-Linux:8 kernel-devel to version 0:4.18.0-553.el8_10 or higher.
This issue was patched in RLSA-2024:3138.

NVD Description

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

The IPv6 implementation in the Linux kernel before 6.3 has a net/ipv6/route.c max_size threshold that can be consumed easily, e.g., leading to a denial of service (network is unreachable errors) when IPv6 packets are sent in a loop via a raw socket.

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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SUSE

7.5 high
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Red Hat

6.5 medium