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

https://www.secpod.com/blog/retbleed-intel-and-amd-processor-information-disclosure-vulnerability/

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

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

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

https://security.gentoo.org/glsa/202402-07

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M27MB3QFNIJV4EQQSXWARHP3OGX6CR6K/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/D4RW5FCIYFNCQOEFJEUIRW3DGYW7CWBG/

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

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

https://comsec.ethz.ch/retbleed

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

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/2022/07/12/2

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3