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Use After Free Affecting kernel-abi-stablelists package, versions <0:4.18.0-513.9.1.el8_9

Severity

 Recommended
0.0
high
0
10

Based on Rocky Linux security rating

    Threat Intelligence

    EPSS
    0.05% (19th percentile)

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  • Snyk ID SNYK-ROCKY8-KERNELABISTABLELISTS-6102425
  • published 7 Dec 2023
  • disclosed 24 Jul 2023
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Introduced: 24 Jul 2023

CVE-2023-3812 Open this link in a new tab
CWE-416 Open this link in a new tab
CWE-787 Open this link in a new tab

How to fix?

Upgrade Rocky-Linux:8 kernel-abi-stablelists to version 0:4.18.0-513.9.1.el8_9 or higher.
This issue was patched in RLSA-2023:7549.

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 Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

References

CVSS Scores

version 3.1
Expand this section

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

7.8 high
Expand this section

Red Hat

7.8 high