CVE-2021-47271 addresses a deadlock vulnerability in the Linux kernel's USB cdnsp driver, specifically within the cdnsp_thread_irq_handler function. This flaw, caused by incorrect spinlock usage, affects systems running the Linux kernel. Rated Medium severity (CVSS 5.5), the vulnerability is a local attack vector requiring low privileges and complexity, with a high impact on availability (system crash). There is no impact on confidentiality or integrity. There is currently no evidence of active exploitation, and no public exploit code is available in Metasploit, Nuclei, or ExploitDB. Community discussion and media coverage for this CVE are minimal.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.12, < 5.12.11CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
5.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* | ||
5.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:* | ||
5.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.13:rc3:*:*:*:*:*:* | ||
5.13CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.13:rc4:*:*:*:*:*:* |
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.