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CVE-2022-4543

UNKNOWN
Published 2023-01-11T00:00:00.000Z
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Expert Analysis

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CVSS Score

V3.1
5.5
/10
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Base Score Metrics
Exploitability: N/A Impact: N/A

EPSS Score

v2023.03.01
0.000
probability
of exploitation in the wild

There is a 0.0% chance that this vulnerability will be exploited in the wild within the next 30 days.

Updated: 2025-01-25
Exploit Probability
Percentile: 0.194
Higher than 19.4% of all CVEs

Attack Vector Metrics

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED

Impact Metrics

Confidentiality
HIGH
Integrity
NONE
Availability
NONE

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.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed MODERATE

GHSA-252r-7vwr-8rfh

Advisory Details

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 Scoring

CVSS Score

5.0

CVSS Vector

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

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2022-4543
WEB https://www.openwall.com/lists/oss-security/2022/12/16/3
WEB https://www.willsroot.io/2022/12/entrybleed.html

Advisory provided by GitHub Security Advisory Database. Published: January 11, 2023, Modified: January 19, 2023

References

https://www.openwall.com/lists/oss-security/2022/12/16/3
https://www.willsroot.io/2022/12/entrybleed.html
Published: 2023-01-11T00:00:00.000Z
Last Modified: 2025-04-08T19:55:00.788Z
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