SB20231031113 - Ubuntu update for linux

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Main Vulnerability Database SB20231031113

SB20231031113 - Ubuntu update for linux

Published: October 31, 2023

Security Bulletin ID SB20231031113
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-2023-31083)

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

The vulnerability exists due to a NULL pointer dereference error within the hci_uart_tty_ioctl() function in drivers/bluetooth/hci_ldisc.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.


2) NULL pointer dereference (CVE-ID: CVE-2023-3772)

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

The vulnerability exists due to a NULL pointer dereference error within the xfrm_update_ae_params() function in the IP framework for transforming packets (XFRM subsystem). A local user with CAP_NET_ADMIN privileges can perform a denial of service (DoS) attack.


Remediation

Install update from vendor's website.

References