CVE-2022-4543

medium

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.

References

https://www.willsroot.io/2022/12/entrybleed.html

https://www.openwall.com/lists/oss-security/2022/12/16/3

Details

Source: Mitre, NVD

Published: 2023-01-11

Updated: 2023-01-19

Risk Information

CVSS v2

Base Score: 4.6

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N