CVE-2021-47482 addresses a vulnerability in the Linux kernel's B.A.T.M.A.N. Advanced (batman-adv) networking module, specifically related to improper error handling during initialization. This flaw could lead to cleaning up uninitialized memory fields, potentially causing system instability or a General Protection Fault (GPF). The vulnerability is rated as Medium severity with a CVSS score of 5.3. It requires low privileges (PR:L) and high attack complexity (AC:H) for a network-based attack (AV:N), with a potential impact of high availability loss (A:H). There is no impact on confidentiality or integrity. Currently, there is no evidence of active exploitation, nor are there any public exploit codes available in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage, indicating a low level of public attention.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.6.38, < 4.4.293CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.5, < 4.9.289CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.10, < 4.14.254CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.15, < 4.19.215CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 4.20, < 5.4.157CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/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, 0.0 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.