CVE-2021-4204 — Improper Input Validation in Kernel
Severity
7.1HIGHNVD
OSV4.7
EPSS
0.8%
top 26.49%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedAug 24
Latest updateAug 25
Description
An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation. This flaw allows a local attacker with a special privilege to crash the system or leak internal information.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HExploitability: 1.8 | Impact: 5.2
Affected Packages3 packages
Also affects: Debian Linux 11.0, Enterprise Linux 9.0
Patches
🔴Vulnerability Details
5GHSA▶
GHSA-5gx9-gr87-492v: An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation↗2022-08-25
OSV▶
CVE-2021-4204: An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation↗2022-08-24
CVEList▶
CVE-2021-4204: An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF due to an Improper Input Validation↗2022-08-24
📋Vendor Advisories
5Debian▶
CVE-2021-4204: linux - An out-of-bounds (OOB) memory access flaw was found in the Linux kernel's eBPF d...↗2021