Vulnerability · Published Nov 9, 2022 · Assigned by AMD
CVE-2022-23824
Medium 5.5
In plain English
A medium-severity security flaw in AMD Processors from AMD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.6%top 50.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | xen | 4.16.2-r2 | ALPINE-CVE-2022-23824 |
| Alpine:v3.21 | xen | 4.16.2-r2 | ALPINE-CVE-2022-23824 |
| Alpine:v3.22 | xen | 4.16.2-r2 | ALPINE-CVE-2022-23824 |
| Alpine:v3.23 | xen | 4.16.2-r2 | ALPINE-CVE-2022-23824 |
| Alpine:v3.24 | xen | 4.16.2-r2 | ALPINE-CVE-2022-23824 |
| Debian:12 | xen | 4.16.2+90-g0d39a6d1ae-1 | DEBIAN-CVE-2022-23824 |
| Debian:13 | xen | 4.16.2+90-g0d39a6d1ae-1 | DEBIAN-CVE-2022-23824 |
| Debian:14 | xen | 4.16.2+90-g0d39a6d1ae-1 | DEBIAN-CVE-2022-23824 |
| Ubuntu:22.04:LTS | xen | no fix listed | UBUNTU-CVE-2022-23824 |
| Ubuntu:24.04:LTS | xen | no fix listed | UBUNTU-CVE-2022-23824 |
| Ubuntu:25.10 | xen | no fix listed | UBUNTU-CVE-2022-23824 |
| Ubuntu:26.04:LTS | xen | no fix listed | UBUNTU-CVE-2022-23824 |
| Ubuntu:26.10 | xen | no fix listed | UBUNTU-CVE-2022-23824 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| AMD | AMD Processors | Processor various |
References
- https://www.amd.com/en/corporate/product-security/bulletin/amd-sb-1040
- [oss-security] 20221110 Xen Security Advisory 422 v2 (CVE-2022-23824) - x86: Multiple speculative security issues mailing-list
- FEDORA-2022-9f51d13fa3 vendor-advisory
- FEDORA-2022-53a4a5dd11 vendor-advisory
- DSA-5378 vendor-advisory
- https://security.gentoo.org/glsa/202402-07