CVE-2021-47360 is a vulnerability in the Linux kernel's Binder inter-process communication mechanism, specifically affecting how file descriptors (fds) are closed during BC_FREE_BUFFER processing. This flaw could lead to hung processes if a Binder thread fails to return to userspace after closing fds via the task work mechanism. Rated Medium with a CVSS score of 5.5, the vulnerability has a local attack vector and low attack complexity, potentially resulting in high availability impact. 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 |
|---|---|---|---|
>= 5.0, < 5.4.150CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.5, < 5.10.70CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.11, < 5.14.9CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
4.20.1CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:4.20.1:*:*:*:*:*:*:* | ||
5.15CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:5.15:rc1:*:*:*:*:*:* |
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.