SB2019032525 - Denial of service in Linux kernel SCTP
Published: March 25, 2019 Updated: December 21, 2022
Security Bulletin ID
SB2019032525
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Input validation error (CVE-ID: CVE-2019-3874)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to the SCTP socket buffer used by a userspace application is not accounted by the cgroups subsystem. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874
- https://security.netapp.com/advisory/ntap-20190411-0003/
- https://usn.ubuntu.com/3981-1/
- https://usn.ubuntu.com/3980-1/
- https://usn.ubuntu.com/3979-1/
- https://usn.ubuntu.com/3982-2/
- https://usn.ubuntu.com/3982-1/
- https://usn.ubuntu.com/3980-2/
- https://usn.ubuntu.com/3981-2/
- https://access.redhat.com/errata/RHSA-2019:3517
- https://access.redhat.com/errata/RHSA-2019:3309
- https://lists.debian.org/debian-lts-announce/2020/09/msg00025.html
- https://www.oracle.com/security-alerts/cpuApr2021.html