CVE-2022-29901
Vulnerability Summary
Timeline
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.
CVSS Metrics
- v4.0•MEDIUM•Score: 5.7CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
- v3.1•MEDIUM•Score: 5.6CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
- v3.1•MEDIUM•Score: 6.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
- v2.0•LOW•Score: 1.9AV:L/AC:M/Au:N/C:P/I:N/A:N
EPSS Trends
Current EPSS score: 4.83%• Percentile: 92%
Techniques & Countermeasures
- CWE-200•Exposure of Sensitive Information to an Unauthorized Actor
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.
- CWE-668•Exposure of Resource to Wrong Sphere
The product exposes a resource to the wrong control sphere, providing unintended actors with inappropriate access to the resource.
Affected Systems
- debian•linux
< 5.10.136-1 | < 5.18.14-1 | < 5.18.14-1 | < 5.18.14-1
- ubuntu•linux
all | < 4.4.0-242.276 | < 4.15.0-204.215 | < 5.4.0-132.148 | < 5.15.0-46.49
- ubuntu•linux-aws
< 4.4.0-1120.126 | < 4.4.0-1158.173 | < 4.15.0-1150.163 | < 5.4.0-1089.97 | < 5.15.0-1017.21
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1017.21~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1089.97~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 4.15.0-2089.95 | all | < 5.4.0-1089.97+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1151.164~16.04.1
- ubuntu•linux-azure
< 4.15.0-1162.177~14.04.1 | < 4.15.0-1162.177~16.04.1 | all | < 5.4.0-1095.101 | < 5.15.0-1017.20
- ubuntu•linux-azure-4.15
< 4.15.0-1161.176
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1017.20~20.04.1
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1095.101~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde-5.15
< 5.15.0-1114.123~20.04.1
- ubuntu•linux-azure-fips
< 4.15.0-2070.76 | all | < 5.4.0-1095.101+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1050.56
- ubuntu•linux-dell300x
< 4.15.0-1060.65
- ubuntu•linux-fips
< 4.4.0-1090.97 | all | < 4.15.0-1107.118 | < 5.4.0-1065.74
- ubuntu•linux-gcp
< 4.15.0-1146.162~16.04.1 | all | < 5.4.0-1093.102 | < 5.15.0-1016.21
- ubuntu•linux-gcp-4.15
< 4.15.0-1145.161
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1016.21~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1093.102~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 4.15.0-2054.59 | all | < 5.4.0-1093.102+fips1
- ubuntu•linux-gke
< 5.4.0-1087.94 | < 5.15.0-1014.17
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
< 5.15.0-1014.17~20.04.1
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1057.61 | < 5.15.0-1002.4
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
< 4.15.0-206.217~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.15
< 5.15.0-46.49~20.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-132.148~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1037.42 | < 5.15.0-1012.14
- ubuntu•linux-ibm-5.4
< 5.4.0-1037.42~18.04.1
Showing first 50 affected entries in server-rendered view.
References (37)
- https://comsec.ethz.ch/retbleed
- https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00702.html
- http://www.openwall.com/lists/oss-security/2022/07/12/2
- http://www.openwall.com/lists/oss-security/2022/07/12/4
- http://www.openwall.com/lists/oss-security/2022/07/12/5
- http://www.openwall.com/lists/oss-security/2022/07/13/1
- 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://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
- https://www.secpod.com/blog/retbleed-intel-and-amd-processor-information-disclosure-vulnerability/
- https://security.gentoo.org/glsa/202402-07
- https://ubuntu.com/security/CVE-2022-29901
- https://www.intel.com/content/www/us/en/developer/articles/technical/software-security-guidance/advisory-guidance/return-stack-buffer-underflow.html
- https://community.intel.com/t5/Blogs/Products-and-Solutions/Security/Chips-Salsa-Episode-21-July-2022-Security-Advisories-Retbleed/post/1399055
- https://www.intel.com/content/www/us/en/developer/topic-technology/software-security-guidance/processors-affected-consolidated-product-cpu-model.html
- https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/Retbleed
- https://xenbits.xen.org/xsa/advisory-407.html
- https://ubuntu.com/security/notices/USN-5564-1
- https://ubuntu.com/security/notices/USN-5565-1
- https://ubuntu.com/security/notices/USN-5566-1
- https://ubuntu.com/security/notices/USN-5728-1
- https://ubuntu.com/security/notices/USN-5728-2
- https://ubuntu.com/security/notices/USN-5728-3
- https://ubuntu.com/security/notices/USN-5854-1
- https://ubuntu.com/security/notices/USN-5861-1
- https://ubuntu.com/security/notices/USN-5862-1
- https://ubuntu.com/security/notices/USN-5865-1
- https://ubuntu.com/security/notices/USN-5883-1
- https://ubuntu.com/security/notices/USN-5924-1
- https://ubuntu.com/security/notices/USN-5975-1
- https://ubuntu.com/security/notices/USN-6007-1
- https://ubuntu.com/security/notices/USN-6221-1
- https://www.cve.org/CVERecord?id=CVE-2022-29901
- https://security-tracker.debian.org/tracker/CVE-2022-29901