SB2024112614 - Red Hat Enterprise Linux 8 update for the kernel:4.18.0 module
Published: November 26, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Use-after-free (CVE-ID: CVE-2024-27043)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the dvb_register_device() function in drivers/media/dvb-core/dvbdev.c. A local user can escalate privileges on the system.
2) NULL pointer dereference (CVE-ID: CVE-2024-27399)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to a NULL pointer dreference error within the l2cap_chan_timeout() function in net/bluetooth/l2cap_core.c. A remote attacker can send specially crafted packets to the system and perform a denial of service (DoS) attack.
3) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2024-38564)
The vulnerability allows a local user to bypass certain security restrictions.
The vulnerability exists due to improper checks within with bpf_prog_attach_check_attach_type() function in kernel/bpf/syscall.c. A local user can bypass certain security restrictions.
4) Use-after-free (CVE-ID: CVE-2024-46858)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the mptcp_pm_del_add_timer() and remove_anno_list_by_saddr() functions in net/mptcp/pm_netlink.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.