CVE-2021-3655

LOW

Linux Kernel < 5.14 - Information Disclosure via SCTP Packet Size Validation

Title source: llm
STIX 2.1

Description

A vulnerability was found in the Linux kernel in versions prior to v5.14-rc1. Missing size validations on inbound SCTP packets may allow the kernel to read uninitialized memory.

References (3)

Core 3
Core References
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.redhat.com/show_bug.cgi?id=1984024
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html

Scores

CVSS v3 3.3
EPSS 0.0031
EPSS Percentile 22.2%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-909 CWE-20
Status published
Products (4)
debian/debian_linux 9.0
linux/linux_kernel 5.14
linux/linux_kernel < 5.14
redhat/enterprise_linux 8.0
Published Aug 05, 2021
Tracked Since Feb 18, 2026