SB2022060641 - Fedora 35 update for kernel 

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Main Vulnerability Database SB2022060641

SB2022060641 - Fedora 35 update for kernel

Published: June 6, 2022

Security Bulletin ID SB2022060641
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2022-1852)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error in the Linux kernel’s KVM module. A local user can perform a denial of service (DoS) attack in the x86_emulate_insn in arch/x86/kvm/emulate.c.


2) Use-after-free (CVE-ID: CVE-2022-1966)

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

The vulnerability exists due to a use-after-free error in the Linux kernel's Netfilter subsystem in net/netfilter/nf_tables_api.c. A local user can trigger use-after-free error to escalate privileges on the system.


Remediation

Install update from vendor's website.

References