CVE-2022-29901

Description

Intel microprocessor generations 6 to 8 are affected by a new Spectre variant that is able to bypass their retpoline mitigation in the kernel to leak arbitrary data. An attacker with unprivileged user access can hijack return instructions to achieve arbitrary speculative code execution under certain microarchitecture-dependent conditions.

References

http://www.openwall.com/lists/oss-security/2022/07/12/2

https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00702.html

https://comsec.ethz.ch/retbleed

http://www.openwall.com/lists/oss-security/2022/07/12/5

http://www.openwall.com/lists/oss-security/2022/07/12/4

http://www.openwall.com/lists/oss-security/2022/07/13/1

https://lists.fedoraproject.org/archives/list/[email protected]/message/M27MB3QFNIJV4EQQSXWARHP3OGX6CR6K/

https://lists.fedoraproject.org/archives/list/[email protected]/message/D4RW5FCIYFNCQOEFJEUIRW3DGYW7CWBG/

https://www.debian.org/security/2022/dsa-5207

https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html

https://security.netapp.com/advisory/ntap-20221007-0007/

https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html

Details

Risk Information

CVSS v2

CVSS v3