SB2022050433 - Ubuntu update for linux-raspi 

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Main Vulnerability Database SB2022050433

SB2022050433 - Ubuntu update for linux-raspi

Published: May 4, 2022 Updated: September 8, 2023

Security Bulletin ID SB2022050433
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Out-of-bounds write (CVE-ID: CVE-2022-1015)

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

The vulnerability exists due to a boundary error within the nft_validate_register_store and nft_validate_register_load in linux/net/netfilter/nf_tables_api.c of the netfilter subsystem. A local user can escalate privileges on the system.


2) Use-after-free (CVE-ID: CVE-2022-1016)

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to a use-after-free error in net/netfilter/nf_tables_core.c:nft_do_chain in Linux kernel.. A local user can trigger a use-after-free error and gain access to sensitive information.


3) Buffer overflow (CVE-ID: CVE-2022-26490)

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

The vulnerability exists due to a boundary error within the st21nfca_connectivity_event_received() function in drivers/nfc/st21nfca/se.c in Linux kernel. A local user can run a specially crafted program to trigger buffer overflow and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References