CVE-2023-34328 — XEN vulnerability
10 documents4 sources
Severity
5.5MEDIUMNVD
OSV10.0
EPSS
0.1%
top 70.19%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 5
Description
[This CNA information record relates to multiple CVEs; the
text explains which aspects/vulnerabilities correspond to which CVE.]
AMD CPUs since ~2014 have extensions to normal x86 debugging functionality.
Xen supports guests using these extensions.
Unfortunately there are errors in Xen's handling of the guest state, leading
to denials of service.
1) CVE-2023-34327 - An HVM vCPU can end up operating in the context of
a previous vCPUs debug mask state.
2) CVE-2023-34328 - A PV vCPU can place a…
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages4 packages
Patches
🔴Vulnerability Details
6OSV▶
CVE-2023-34328: [This CNA information record relates to multiple CVEs; the
text explains which aspects/vulnerabilities correspond to which CVE↗2024-01-05
OSV▶
CVE-2023-34327: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE↗2024-01-05
OSV▶
CVE-2023-34328: [This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE↗2024-01-05
GHSA▶
GHSA-7fx2-c8rv-2w4f: [This CNA information record relates to multiple CVEs; the
text explains which aspects/vulnerabilities correspond to which CVE↗2024-01-05
OSV▶
CVE-2023-34327: [This CNA information record relates to multiple CVEs; the
text explains which aspects/vulnerabilities correspond to which CVE↗2024-01-05