Out-of-Bounds Affecting kernel-rt-debug-core package, versions <0:4.18.0-372.9.1.rt7.166.el8


Severity

Recommended
0.0
high
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.05% (18th percentile)

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  • Snyk IDSNYK-CENTOS8-KERNELRTDEBUGCORE-1964238
  • published26 Jul 2021
  • disclosed8 Apr 2021

Introduced: 8 Apr 2021

CVE-2021-29154  (opens in a new tab)
CWE-119  (opens in a new tab)

How to fix?

Upgrade Centos:8 kernel-rt-debug-core to version 0:4.18.0-372.9.1.rt7.166.el8 or higher.

NVD Description

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

BPF JIT compilers in the Linux kernel through 5.11.12 have incorrect computation of branch displacements, allowing them to execute arbitrary code within the kernel context. This affects arch/x86/net/bpf_jit_comp.c and arch/x86/net/bpf_jit_comp32.c.

CVSS Scores

version 3.1