CVE-2024-2201: CVE-2024-2201

Severity: medium (CVSS 4.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 8.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-12-19 · updated 2026-06-17

Description

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.

Affected products

xen: See advisory "x86: Native Branch History Injection"

References

http://www.openwall.com/lists/oss-security/2024/04/09/15
http://www.openwall.com/lists/oss-security/2024/05/07/7
http://xenbits.xen.org/xsa/advisory-456.html
https://github.com/vusec/inspectre-gadget?tab=readme-ov-file
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6QKNCPX7CJUK4I6BRGABAUQK2DMQZUCA/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D5OK6MH75S7YWD34EWW7QIZTS627RIE3/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RYAZ7P6YFJ2E3FHKAGIKHWS46KYMMTZH/
https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/branch-history-injection.htm
https://www.kb.cert.org/vuls/id/155143

Get alerted when CVE-2024-2201 or the next vulnerability affects your stack