CVE-2022-27672 — Sensitive Information Exposure in AMD 1ST GEN AMD Epyc Processors

35 documents8 sources
Severity
4.7MEDIUMNVD
EPSS
0.1%
top 69.07%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
14
XENLinux KernelAMD 1ST GEN AMD Epyc Processors+11 more
Timeline
PublishedMar 1
Latest updateOct 17

Description

When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch potentially resulting in information disclosure.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:NExploitability: 1.0 | Impact: 3.6

Affected Packages16 packages

▶CVEListV5amd/2nd_gen_amd_ryzen_threadripper_processorsContact your OS vendor
▶CVEListV5amd/3rd_gen_amd_ryzen_threadripper_processorsContact your OS vendor
▶CVEListV5amd/athlon_mobile_processorsContact your OS vendor
▶CVEListV5amd/1st_gen_amd_epyc_processorsContact your OS vendor
▶CVEListV5amd/2nd_gen_amd_epyc_processorsContact your OS vendor

🔴Vulnerability Details

14
OSV
linux-azure vulnerabilities↗2023-10-17
▶
OSV
linux-kvm vulnerabilities↗2023-10-05
▶
OSV
linux, linux-aws, linux-aws-hwe, linux-azure, linux-azure-4.15, linux-gcp, linux-gcp-4.15, linux-hwe, linux-oracle vulnerabilities↗2023-09-26
▶
OSV
linux-oem-6.0 vulnerabilities↗2023-09-19
▶
OSV
linux-intel-iotg vulnerabilities↗2023-06-01
▶

📋Vendor Advisories

19
Ubuntu
Linux kernel (Azure) vulnerabilities↗2023-10-17
▶
Ubuntu
Linux kernel (KVM) vulnerabilities↗2023-10-05
▶
Ubuntu
Linux kernel vulnerabilities↗2023-09-26
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2023-09-19
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2023-09-04
▶

💬Community

1
Bugzilla
CVE-2022-27672 kernel: AMD: Cross-Thread Return Address Predictions↗2023-03-02
▶
CVE-2022-27672 — Sensitive Information Exposure in AMD | cvebase