SB2022020423 - SUSE update for the Linux Kernel (Live Patch 41 for SLE 12 SP3)

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Main Vulnerability Database SB2022020423

SB2022020423 - SUSE update for the Linux Kernel (Live Patch 41 for SLE 12 SP3)

Published: February 4, 2022

Security Bulletin ID SB2022020423
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Buffer overflow (CVE-ID: CVE-2018-25020)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the BPF subsystem in the Linux kernel in ernel/bpf/core.c and net/core/filter.c. The kernel mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions. A local user can run a specially crafted program to trigger memory corruption and execute arbitrary code with elevated privileges.


2) Resource exhaustion (CVE-ID: CVE-2019-0136)

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

The vulnerability exists due to the software does not properly control the allocation and maintenance of a limited resource. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

The vulnerability affects Intel Dual Band Wireless-AC 8260 Windows10 Driver


Remediation

Install update from vendor's website.

References