SB2023122701 - Slackware Linux update for kernel

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2023122701

SB2023122701 - Slackware Linux update for kernel

Published: December 27, 2023

Security Bulletin ID SB2023122701
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Information disclosure

Breakdown by Severity

Medium 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) NULL pointer dereference (CVE-ID: CVE-2023-46862)

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 io_uring_show_fdinfo() function in io_uring/fdinfo.c. A local user can trigger a race with SQ thread exit and perform a denial of service (DoS) attack.


2) Out-of-bounds read (CVE-ID: CVE-2023-6121)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition in the NVMe-oF/TCP subsystem in the Linux kernel. A remote attacker can send specially crafted data to the system, trigger an out-of-bounds read error and read contents of memory.


Remediation

Install update from vendor's website.

References