CVEvulnerability

CVE-2023-3812

7.8 HIGH Published 2023-07-24 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2023-07-24
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-416, CWE-787

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.

Affected configurations

• linux linux kernel (>= 4.15 < 4.19.265) • linux linux kernel (>= 4.20 < 5.4.224) • linux linux kernel (>= 5.5 < 5.10.154) • linux linux kernel (>= 5.11 < 5.15.78) • linux linux kernel (>= 5.16 < 6.0.8) • redhat enterprise linux 8.0 • redhat enterprise linux 9.0

Related

Weakness · CWE (2)

References