CVE-2023-4732 is a denial-of-service vulnerability in the Linux Kernel's memory management subsystem, specifically within the pfn_swap_entry_to_page function, affecting Linux and Red Hat distributions. A local attacker with low privileges can trigger a system crash by exploiting a BUG statement related to pmd_t x. This vulnerability has a CVSS score of 4.7 (Medium) due to its local attack vector and high impact on availability, but requires high attack complexity. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 5.13.19CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:a:redhat:codeready_linux_builder:8.0:*:*:*:*:*:*:* | ||
8.0_aarch64CPE matchmatch criteria | cpe:2.3:a:redhat:codeready_linux_builder_for_arm64:8.0_aarch64:*:*:*:*:*:*:* | ||
8.0_ppc64leCPE matchmatch criteria | cpe:2.3:a:redhat:codeready_linux_builder_for_power_little_endian:8.0_ppc64le:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.4 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.