Incorrect Calculation of Buffer Size Affecting kernel-abi-stablelists package, versions <0:4.18.0-425.13.1.el8_7


Severity

Recommended
high

Based on CentOS security rating

    Threat Intelligence

    EPSS
    0.04% (6th percentile)

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  • Snyk ID SNYK-CENTOS8-KERNELABISTABLELISTS-2987253
  • published 18 Aug 2022
  • disclosed 29 Jul 2022

How to fix?

Upgrade Centos:8 kernel-abi-stablelists to version 0:4.18.0-425.13.1.el8_7 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.

An out-of-bounds memory access flaw was found in the Linux kernel Intel’s iSMT SMBus host controller driver in the way a user triggers the I2C_SMBUS_BLOCK_DATA (with the ioctl I2C_SMBUS) with malicious input data. This flaw allows a local user to crash the system.

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

6.2 medium
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SUSE

4.2 medium