CVE-2024-2201 : A cross-privilege Spectre v2 vulnerability allows attackers to bypass all deploy

A cross-privilege Spectre v2 vulnerability allows attackers to bypass all deployed mitigations, including the recent Fine(IBT), and to leak arbitrary Linux kernel memory on Intel systems.

Published 2024-12-19 21:15:08

Updated 2025-01-09 17:15:12

Source CERT/CC

View at NVD, CVE.org

Products affected by CVE-2024-2201

Please log in to view affected product information.

Exploit prediction scoring system (EPSS) score for CVE-2024-2201

EPSS FAQ

0.05%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 15 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2024-2201

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source	First Seen
4.7	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N	1.0	3.6	134c704f-9b21-4f2e-91b3-4a467353bcc0	2025-01-09
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
4.7	MEDIUM	CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N/...	N/A	N/A	MS-CVE-2024-2201	2024-04-09
Attack Vector: Local Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

References for CVE-2024-2201

http://xenbits.xen.org/xsa/advisory-456.html

XSA-456 - Xen Security Advisories
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6QKNCPX7CJUK4I6BRGABAUQK2DMQZUCA/

[SECURITY] Fedora 39 Update: xen-4.17.4-1.fc39 - package-announce - Fedora mailing-lists
https://github.com/vusec/inspectre-gadget?tab=readme-ov-file

GitHub - vusec/inspectre-gadget: InSpectre Gadget: in-depth inspection and exploitability analysis of Spectre disclosure gadgets
http://www.openwall.com/lists/oss-security/2024/05/07/7

oss-security - Xen Security Advisory 456 v3 (CVE-2024-2201) - x86: Native Branch History Injection
http://www.openwall.com/lists/oss-security/2024/04/09/15
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RYAZ7P6YFJ2E3FHKAGIKHWS46KYMMTZH/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D5OK6MH75S7YWD34EWW7QIZTS627RIE3/
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/branch-history-injection.htm

Branch History Injection and Intra-mode Branch Target Injection
https://www.kb.cert.org/vuls/id/155143

VU#155143 - Linux kernel on Intel systems is susceptible to Spectre v2 attacks

CVEs referencing this url

Jump to

Vulnerability Details : CVE-2024-2201

Products affected by CVE-2024-2201

Exploit prediction scoring system (EPSS) score for CVE-2024-2201

CVSS scores for CVE-2024-2201

References for CVE-2024-2201