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.
Metrics
CVSS 3.1 4.7/10
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NAffected software
| Vendor | Product | Versions |
|---|---|---|
| Xen | 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
Timeline
- Published
- Dec 19, 2024
- Last modified
- Jun 17, 2026
- NVD status
- Deferred