SB2024121803 - Red Hat Enterprise Linux 9 update for kernel
Published: December 18, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) NULL pointer dereference (CVE-ID: CVE-2021-47384)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the TEMP_TO_REG() and w83793_detect_subclients() functions in drivers/hwmon/w83793.c. A local user can perform a denial of service (DoS) attack.
2) Double free (CVE-ID: CVE-2024-38627)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to a double free error within the stm_register_device() function in drivers/hwtracing/stm/core.c. A local user can perform a denial of service (DoS) attack.
3) Memory leak (CVE-ID: CVE-2024-39499)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the event_deliver() function in drivers/misc/vmw_vmci/vmci_event.c. A local user can perform a denial of service (DoS) attack.
4) Input validation error (CVE-ID: CVE-2024-40989)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper input validation within the vgic_v3_free_redist_region() and vgic_v3_set_redist_base() functions in arch/arm64/kvm/vgic/vgic-mmio-v3.c, within the kvm_vgic_dist_destroy() function in arch/arm64/kvm/vgic/vgic-init.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.