CVE-2013-4563 describes a denial-of-service vulnerability in the Linux kernel (through version 3.12) affecting systems with UDP Fragmentation Offload (UFO) enabled. Specifically, the udp6_ufo_fragment function fails to properly validate packet size before inserting a fragment header, allowing remote attackers to trigger a kernel panic via a large IPv6 UDP packet. This vulnerability carries a CVSS score of 7.1, indicating high severity due to its network-based attack vector, medium attack complexity, and complete availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 3.9.8, <= 3.10.23CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 3.11, < 3.12.4CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:* | ||
13.10CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:13.10:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:M/Au:N/C:N/I:N/A:C
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.