SB2024032056 - Ubuntu update for linux
Published: March 20, 2024 Updated: December 19, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 5 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2023-23000)
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 tegra_xusb_find_port_node() function in drivers/phy/tegra/xusb.c. A local user can pass specially crafted data to the system and perform a denial of service (DoS) attack.
2) Resource exhaustion (CVE-ID: CVE-2023-32247)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to ksmbd does not properly control consumption of internal resources when handling SMB2_SESSION_SETUP commands. A remote attacker can send specially crafted data to the server during session setup, trigger memory exhaustion and perform a denial of service (DoS) attack.
3) Use-after-free (CVE-ID: CVE-2024-1085)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.
4) Use-after-free (CVE-ID: CVE-2024-1086)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the netfilter nf_tables component in Linux kernel. A local user can trigger a use-after-free error and execute arbitrary code on the system.
5) Race condition (CVE-ID: CVE-2024-24855)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the lpfc_unregister_fcf_rescan() function in scsi device driver. A local user can exploit the race and gain unauthorized access to sensitive information and escalate privileges on the system.
Remediation
Install update from vendor's website.