CVE-2021-3655Missing Initialization of Resource in Kernel

Severity
3.3LOWNVD
OSV7.8
EPSS
0.0%
top 94.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedAug 5
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 1.8 | Impact: 1.4

Affected Packages8 packages

NVDlinux/linux_kernel< 5.14+1
Debianlinux/linux_kernel< 5.10.46-3+3
Ubuntulinux/linux_kernel< 4.15.0-162.170+1
CVEListV5linux/linux_kernelkernel v5.14-rc1

Also affects: Debian Linux 9.0, Enterprise Linux 8.0

Patches

🔴Vulnerability Details

8
GHSA
GHSA-2r5v-rg6v-8xg5: A vulnerability was found in the Linux kernel in versions before v52022-05-24
OSV
CVE-2021-3655: In sctp_v6_to_sk_daddr, sctp_v4_from_addr_param, and related functions of ipv62022-03-01
OSV
linux, linux-aws, linux-aws-5.11, linux-azure, linux-azure-5.11, linux-gcp, linux-gcp-5.11, linux-hwe-5.11, linux-kvm, linux-oracle, linux-oracle-5.11, linux-raspi vulnerabilities2021-11-30
OSV
linux, linux-aws, linux-azure, linux-gcp, linux-kvm, linux-oem-5.13, linux-oracle, linux-raspi vulnerabilities2021-11-30
OSV
linux, linux-aws, linux-aws-5.4, linux-azure, linux-azure-5.4, linux-bluefield, linux-gcp, linux-gcp-5.4, linux-gke, linux-gke-5.4, linux-gkeop, linux-gkeop-5.4, linux-hwe-5.4, linux-ibm, linux-kvm, l2021-11-30

📋Vendor Advisories

9
Android
CVE-2021-3655: SCTP2022-03-01
Ubuntu
Linux kernel vulnerabilities2021-11-30
Ubuntu
Linux kernel vulnerabilities2021-11-30
Ubuntu
Linux kernel vulnerabilities2021-11-30
Ubuntu
Linux kernel (OEM 5.10) vulnerabilities2021-11-11
CVE-2021-3655 — Missing Initialization of Resource | cvebase