Attacker Value
Unknown
(0 users assessed)
Exploitability
Unknown
(0 users assessed)
User Interaction
None
Privileges Required
Low
Attack Vector
Local
0

CVE-2022-29901

Disclosure Date: July 12, 2022 •
CVE-2022-29901 CVSS v3 Base Score: 6.5
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

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.

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CVSS V3 Severity and Metrics
Base Score:
6.5 Medium
Impact Score:
4
Exploitability Score:
2
Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
Attack Vector (AV):
Local
Attack Complexity (AC):
Low
Privileges Required (PR):
Low
User Interaction (UI):
None
Scope (S):
Changed
Confidentiality (C):
High
Integrity (I):
None
Availability (A):
None

General Information

Offensive Application
Unknown
Utility Class
Unknown
Ports
Unknown
OS
Unknown
Vulnerable Versions
Intel Microprocessors generations 6 to 8
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

Products

References

Canonical
CVE-2022-29901 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29901)
Advisory
https://comsec.ethz.ch/retbleed
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00702.html
[oss-security] 20220712 Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructions (http://www.openwall.com/lists/oss-security/2022/07/12/2)
[oss-security] 20220712 Re: Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructions (http://www.openwall.com/lists/oss-security/2022/07/12/4)
[oss-security] 20220712 Re: Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructions (http://www.openwall.com/lists/oss-security/2022/07/12/5)
[oss-security] 20220713 Re: Xen Security Advisory 407 v1 (CVE-2022-23816,CVE-2022-23825,CVE-2022-29900) - Retbleed - arbitrary speculative code execution with return instructions (http://www.openwall.com/lists/oss-security/2022/07/13/1)
FEDORA-2022-c69ef9c1dd (https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/M27MB3QFNIJV4EQQSXWARHP3OGX6CR6K/)
FEDORA-2022-8aab5b5cde (https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/D4RW5FCIYFNCQOEFJEUIRW3DGYW7CWBG/)
DSA-5207 (https://www.debian.org/security/2022/dsa-5207)
[debian-lts-announce] 20220911 [SECURITY] [DLA 3102-1] linux-5.10 new package (https://lists.debian.org/debian-lts-announce/2022/09/msg00011.html)
https://security.netapp.com/advisory/ntap-20221007-0007/
[debian-lts-announce] 20221223 [SECURITY] [DLA 3245-1] linux security update (https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html)
GLSA-202402-07 (https://security.gentoo.org/glsa/202402-07)
Miscellaneous
https://www.secpod.com/blog/retbleed-intel-and-amd-processor-information-disclosure-vulnerability/

Additional Info

Authenticated
Unknown
Exploitable
Unknown
Reliability
Unknown
Stability
Unknown
Available Mitigations
Unknown
Shelf Life
Unknown
Userbase/Installbase
Unknown
Patch Effectiveness
Unknown
Technical Analysis