SB2022071836 - Anolis OS update for kernel 

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Main Vulnerability Database SB2022071836

SB2022071836 - Anolis OS update for kernel

Published: July 18, 2022 Updated: March 28, 2025

Security Bulletin ID SB2022071836
Severity
Low
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Type Confusion (CVE-ID: CVE-2022-34918)

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

The vulnerability exists in the Linux kernel’s Netfilter subsystem in the way a user provides incorrect input of the NFT_DATA_VERDICT type. A local user can pass specially crafted data to the application, trigger a type confusion error and escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2022-32250)

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

The vulnerability exists due to a use-after-free incorrect NFT_STATEFUL_EXPR in net/netfilter/nf_tables_api.c in Linux kernel. A local user with ability to create user/net namespaces can execute arbitrary code with root privileges.


Remediation

Install update from vendor's website.

References