SB2022090668 - SUSE update for the Linux Kernel (Live Patch 30 for SLE 15 SP1) 

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Main Vulnerability Database SB2022090668

SB2022090668 - SUSE update for the Linux Kernel (Live Patch 30 for SLE 15 SP1)

Published: September 6, 2022

Security Bulletin ID SB2022090668
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use of a broken or risky cryptographic algorithm (CVE-ID: CVE-2020-36516)

The vulnerability allows a remote attacker to perform a denial of service (DoS) or MitM attacks.

The vulnerability exists due to an error in the mixed IPID assignment method with the hash-based IPID assignment policy in Linux kernel. A remote attacker can inject data into a victim's TCP session or terminate that session.


2) Input validation error (CVE-ID: CVE-2022-36946)

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input within the nfqnl_mangle() function in net/netfilter/nfnetlink_queue.c in the Linux kernel when processing IPv6 packets. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References