SB2024121761 - Ubuntu update for linux 



SB2024121761 - Ubuntu update for linux

Published: December 17, 2024

Security Bulletin ID SB2024121761
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) Input validation error (CVE-ID: CVE-2024-49967)

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

The vulnerability exists due to improper input validation within the do_split() function in fs/ext4/namei.c. A local user can perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2024-53057)

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

The vulnerability exists due to a use-after-free error within the qdisc_tree_reduce_backlog() function in net/sched/sch_api.c. A local user can escalate privileges on the system.


3) Use-after-free (CVE-ID: CVE-2024-50264)

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

The vulnerability exists due to a use-after-free error within the virtio_transport_destruct() function in net/vmw_vsock/virtio_transport_common.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.