CVE-2023-53363 is a use-after-free vulnerability in the Linux kernel's PCI subsystem, specifically within the pci_bus_release_domain_nr() function. This flaw, introduced by a previous commit, affects Linux kernel versions and can lead to system instability or crashes during bus removal cleanup. The vulnerability carries a CVSS score of 7.8 (High), indicating a significant risk. An attacker with local privileges (AV:L, PR:L) could exploit this with low complexity (AC:L) to achieve high confidentiality, integrity, and availability impacts (C:H, I:H, A:H). Currently, there is no evidence of active exploitation, and no public exploit code (Metasploit, Nuclei, ExploitDB) is available. Community discussion and media coverage for this CVE are minimal, suggesting low public awareness at this time.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 6.2, < 6.2.12CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
6.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:* | ||
6.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:* | ||
6.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.3:rc3:*:*:*:*:*:* | ||
6.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:6.3:rc4:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.