Heap-based Buffer Overflow Affecting kernel-debug-modules package, versions <0:4.18.0-553.16.1.el8_10


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.05% (17th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELDEBUGMODULES-6736905
  • published 30 Apr 2024
  • disclosed 28 Apr 2024

How to fix?

Upgrade Centos:8 kernel-debug-modules to version 0:4.18.0-553.16.1.el8_10 or higher.

NVD Description

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

In the Linux kernel, the following vulnerability has been resolved:

i2c: mlxbf: prevent stack overflow in mlxbf_i2c_smbus_start_transaction()

memcpy() is called in a loop while 'operation->length' upper bound is not checked and 'data_idx' also increments.

CVSS Scores

version 3.1
Expand this section

Red Hat

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
Expand this section

SUSE

5.5 medium