CVE-2023-34320 describes a deadlock vulnerability affecting Arm Cortex-A77 cores (r0p0 and r1p0) and related Xen implementations. This flaw can occur when specific memory operations, such as a load to device/non-cacheable memory and a store exclusive or PAR_EL1 register read, happen in close proximity. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity, requiring low privileges, and leading to high availability impact (denial of service). Currently, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
r0p0CPE matchmatch criteria | cpe:2.3:o:arm:cortex-a77_firmware:r0p0:*:*:*:*:*:*:* | ||
r1p0CPE matchmatch criteria | cpe:2.3:o:arm:cortex-a77_firmware:r1p0:*:*:*:*:*:*:* | ||
All Versions ImpactedCPE matchmatch criteria | cpe:2.3:o:xen:xen:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.