Incorrect Calculation of Buffer Size Affecting kernel-rt-debug package, versions <0:4.18.0-425.13.1.rt7.223.el8_7


Severity

Recommended
high

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-RHEL8-KERNELRTDEBUG-4378904
  • published18 Aug 2022
  • disclosed29 Jul 2022

Introduced: 29 Jul 2022

CVE-2022-2873  (opens in a new tab)
CWE-131  (opens in a new tab)

How to fix?

Upgrade RHEL:8 kernel-rt-debug to version 0:4.18.0-425.13.1.rt7.223.el8_7 or higher.
This issue was patched in RHSA-2023:0854.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-rt-debug package and not the kernel-rt-debug package as distributed by RHEL. See How to fix? for RHEL: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