Information Exposure Affecting bpftool package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.04% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-BPFTOOL-3175816
  • published19 Dec 2022
  • disclosed19 Dec 2022

Introduced: 19 Dec 2022

CVE-2022-4543  (opens in a new tab)
CWE-200  (opens in a new tab)
CWE-203  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 bpftool.

NVD Description

Note: Versions mentioned in the description apply only to the upstream bpftool package and not the bpftool package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A flaw named "EntryBleed" was found in the Linux Kernel Page Table Isolation (KPTI). This issue could allow a local attacker to leak KASLR base via prefetch side-channels based on TLB timing for Intel systems.

CVSS Scores

version 3.1