SB2024121762 - Ubuntu update for linux
Published: December 17, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) 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.
2) 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.
3) 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.
Remediation
Install update from vendor's website.