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

CVE-2022-29900

Disclosure Date: July 12, 2022 •
CVE-2022-29900 CVSS v3 Base Score: 6.5
Add MITRE ATT&CK tactics and techniques that apply to this CVE.

Description

Mis-trained branch predictions for return instructions may allow arbitrary speculative code execution under certain microarchitecture-dependent conditions.

Add Assessment

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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
AMD Processors Some AMD Processors
Prerequisites
Unknown
Discovered By
Unknown
PoC Author
Unknown
Metasploit Module
Unknown
Reporter
Unknown

Vendors

  • amd,
  • debian,
  • fedoraproject,
  • xen

Products

  • a10-9600p firmware -,
  • a10-9630p firmware -,
  • a12-9700p firmware -,
  • a12-9730p firmware -,
  • a4-9120 firmware -,
  • a6-9210 firmware -,
  • a6-9220 firmware -,
  • a6-9220c firmware -,
  • a9-9410 firmware -,
  • a9-9420 firmware -,
  • athlon gold 3150u firmware -,
  • athlon silver 3050u firmware -,
  • athlon x4 750 firmware -,
  • athlon x4 760k firmware -,
  • athlon x4 830 firmware -,
  • athlon x4 835 firmware -,
  • athlon x4 840 firmware -,
  • athlon x4 845 firmware -,
  • athlon x4 860k firmware -,
  • athlon x4 870k firmware -,
  • athlon x4 880k firmware -,
  • athlon x4 940 firmware -,
  • athlon x4 950 firmware -,
  • athlon x4 970 firmware -,
  • debian linux 11.0,
  • epyc 7001 firmware -,
  • epyc 7002 firmware -,
  • epyc 7251 firmware -,
  • epyc 7252 firmware -,
  • epyc 7261 firmware -,
  • epyc 7262 firmware -,
  • epyc 7272 firmware -,
  • epyc 7281 firmware -,
  • epyc 7282 firmware -,
  • epyc 7301 firmware -,
  • epyc 7302 firmware -,
  • epyc 7302p firmware -,
  • epyc 7351 firmware -,
  • epyc 7351p firmware -,
  • epyc 7352 firmware -,
  • epyc 7371 firmware -,
  • epyc 7401 firmware -,
  • epyc 7401p firmware -,
  • epyc 7402 firmware -,
  • epyc 7402p firmware -,
  • epyc 7451 firmware -,
  • epyc 7452 firmware -,
  • epyc 7501 firmware -,
  • epyc 7502 firmware -,
  • epyc 7502p firmware -,
  • epyc 7532 firmware -,
  • epyc 7542 firmware -,
  • epyc 7551 firmware -,
  • epyc 7551p firmware -,
  • epyc 7552 firmware -,
  • epyc 7601 firmware -,
  • epyc 7642 firmware -,
  • epyc 7662 firmware -,
  • epyc 7702 firmware -,
  • epyc 7742 firmware -,
  • epyc 7f32 firmware -,
  • epyc 7f52 firmware -,
  • epyc 7f72 firmware -,
  • epyc 7h12 firmware -,
  • fedora 35,
  • fedora 36,
  • ryzen 3 2200u firmware -,
  • ryzen 3 2300u firmware -,
  • ryzen 3 3100 firmware -,
  • ryzen 3 3200u firmware -,
  • ryzen 3 3250u firmware -,
  • ryzen 3 3300g firmware -,
  • ryzen 3 3300u firmware -,
  • ryzen 3 3300x firmware -,
  • ryzen 3 4300g firmware -,
  • ryzen 3 4300ge firmware -,
  • ryzen 3 4300u firmware -,
  • ryzen 5 2500u firmware -,
  • ryzen 5 2600 firmware -,
  • ryzen 5 2600h firmware -,
  • ryzen 5 2600x firmware -,
  • ryzen 5 2700 firmware -,
  • ryzen 5 2700x firmware -,
  • ryzen 5 3400g firmware -,
  • ryzen 5 3450g firmware -,
  • ryzen 5 3500u firmware -,
  • ryzen 5 3550h firmware -,
  • ryzen 5 3600 firmware -,
  • ryzen 5 3600x firmware -,
  • ryzen 5 3600xt firmware -,
  • ryzen 5 4500u firmware -,
  • ryzen 5 4600g firmware -,
  • ryzen 5 4600ge firmware -,
  • ryzen 5 4600h firmware -,
  • ryzen 5 4600u firmware -,
  • ryzen 7 2700 firmware -,
  • ryzen 7 2700u firmware -,
  • ryzen 7 2700x firmware -,
  • ryzen 7 2800h firmware -,
  • ryzen 7 3700u firmware -,
  • ryzen 7 3700x firmware -,
  • ryzen 7 3750h firmware -,
  • ryzen 7 3800x firmware -,
  • ryzen 7 3800xt firmware -,
  • ryzen 7 4700g firmware -,
  • ryzen 7 4700ge firmware -,
  • ryzen 7 4700u firmware -,
  • ryzen 7 4800h firmware -,
  • ryzen 7 4800u firmware -,
  • ryzen 9 4900h firmware -,
  • ryzen threadripper 2920x firmware -,
  • ryzen threadripper 2950x firmware -,
  • ryzen threadripper 2970wx firmware -,
  • ryzen threadripper 2990wx firmware -,
  • ryzen threadripper 3960x firmware -,
  • ryzen threadripper 3970x firmware -,
  • ryzen threadripper 3990x firmware -,
  • ryzen threadripper pro 3795wx firmware -,
  • ryzen threadripper pro 3945wx firmware -,
  • ryzen threadripper pro 3955wx firmware -,
  • ryzen threadripper pro 3995wx firmware -,
  • ryzen threadripper pro 5945wx firmware -,
  • ryzen threadripper pro 5955wx firmware -,
  • ryzen threadripper pro 5965wx firmware -,
  • ryzen threadripper pro 5975wx firmware -,
  • ryzen threadripper pro 5995wx firmware -,
  • xen -

References

Canonical
CVE-2022-29900 (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-29900)
Advisory
https://comsec.ethz.ch/retbleed
http://xenbits.xen.org/xsa/advisory-407.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-5184 (https://www.debian.org/security/2022/dsa-5184)
FEDORA-2022-3e6ce58029 (https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KLSRW4LLTAT3CZMOYVNTC7YIYGX3KLED/)
FEDORA-2022-a0d7a5eaf2 (https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/MYI3OMJ7RIZNL3C6GUWNANNPEUUID6FM/)
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)
GLSA-202402-07 (https://security.gentoo.org/glsa/202402-07)
Miscellaneous
https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1037
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