SB2022092114 - Red Hat Enterprise Linux 9 update for kernel-rt

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Main Vulnerability Database SB2022092114

SB2022092114 - Red Hat Enterprise Linux 9 update for kernel-rt

Published: September 21, 2022 Updated: August 7, 2023

Security Bulletin ID SB2022092114
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) Buffer overflow (CVE-ID: CVE-2022-2078)

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

The vulnerability exists due to a boundary error within the nft_set_desc_concat_parse() function in Linux kernel. A local user can trigger memory corruption and execute arbitrary code with elevated privileges.



2) 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.


Remediation

Install update from vendor's website.

References