CVE-2021-3411 — Code Injection in Kernel

CWE-94 — Code Injection8 documents7 sources
Severity
6.7MEDIUMNVD
OSV7.8
EPSS
0.1%
top 70.50%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
19
Linux KernelDebian LinuxRedhat Enterprise Linux+16 more
Timeline
PublishedMar 9
Latest updateMay 24

Description

A flaw was found in the Linux kernel in versions prior to 5.10. A violation of memory access was found while detecting a padding of int3 in the linking state. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:HExploitability: 0.8 | Impact: 5.9

Affected Packages20 packages

▶NVDlinux/linux_kernel< 5.10
▶Debianlinux/linux_kernel< 5.9.15-1+3
▶CVEListV5linux/linux_kernelLinux kernel 5.10

Also affects: Enterprise Linux 8.0

Patches

Patch: blog.pi3.com.pl ↗Patch: blog.pi3.com.pl ↗

🔴Vulnerability Details

3
GHSA
GHSA-wmhx-48c3-f3gj: A flaw was found in the Linux kernel in versions prior to 5↗2022-05-24
▶
OSV
linux-oem-5.6 vulnerabilities↗2021-04-13
▶
OSV
CVE-2021-3411: A flaw was found in the Linux kernel in versions prior to 5↗2021-03-09
▶

📋Vendor Advisories

4
Ubuntu
Linux kernel (OEM) vulnerabilities↗2021-04-13
▶
Microsoft
A flaw was found in the Linux kernel in versions prior to 5.10. A violation of memory access was found while detecting a padding of int3 in the linking state. The highest threat from this vulnerabilit↗2021-03-09
▶
Debian
CVE-2021-3411: linux - A flaw was found in the Linux kernel in versions prior to 5.10. A violation of m...↗2021
▶
Red Hat
kernel: broken KRETPROBES reports corruption of .text section while running a FTRACE stress tester↗2020-12-11
▶