CVE-2023-53669 is a medium-severity vulnerability in the Linux kernel's TCP implementation, specifically affecting the skb_copy_ubufs() function when handling large TCP packets (BIG TCP) with hugepages. This flaw could lead to system crashes due to incorrect assumptions about buffer sizing. The vulnerability has a CVSS score of 5.5 (MEDIUM) with a potential impact of high availability loss (A:H), requiring local access (AV:L) and low privileges (PR:L). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 5.19, < 6.1.29CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.2, < 6.2.16CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 6.3, < 6.3.3CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
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
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.