VULNERABILITY INTELLIGENCE

CVE-2022-4543

CVSS score5.5 MEDIUM

EPSS probability0.98%

CISA KEVNot currently listed

Published2023-01-11

Last modified2026-06-17

CVSS vectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

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.

Weakness classification

secalert@redhat.com: CWE-200
nvd@nist.gov: CWE-203

Primary references

secalert@redhat.com — Exploit, Mailing List, Third Party Advisory
secalert@redhat.com — Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108 — Exploit, Third Party Advisory