VYPR
Unrated severityNVD Advisory· Published Jul 24, 2023· Updated Feb 26, 2026

Kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags

CVE-2023-3812

Description

An out-of-bounds memory access flaw was found in the Linux kernel’s TUN/TAP device driver functionality in how a user generates a malicious (too big) networking packet when napi frags is enabled. This flaw allows a local user to crash or potentially escalate their privileges on the system.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

285

Patches

Vulnerability mechanics

References

26

News mentions

0

No linked articles in our index yet.