Use-after-free in Linux kernel - CVE-2024-46866

Vulnerability identifier: #VU97784

CSH Severity: Low

CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2024-46866

CWE-ID: CWE-416

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to a use-after-free error within the xe_drm_client_add_bo(), bo_meminfo() and show_meminfo() functions in drivers/gpu/drm/xe/xe_drm_client.c. A local user can escalate privileges on the system.

Linux kernel
Ubuntu
linux-image-6.8.0-50-generic-64k (Ubuntu package)
linux-image-6.8.0-50-generic (Ubuntu package)
linux-image-generic (Ubuntu package)
linux-image-generic-64k (Ubuntu package)
linux-image-generic-64k-hwe-24.04 (Ubuntu package)
linux-image-generic-hwe-24.04 (Ubuntu package)
linux-image-generic-lpae (Ubuntu package)
linux-image-kvm (Ubuntu package)
linux-image-virtual-hwe-24.04 (Ubuntu package)
linux-image-virtual (Ubuntu package)
linux-image-lowlatency-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-50-lowlatency (Ubuntu package)
linux-image-6.8.0-50-lowlatency-64k (Ubuntu package)
linux-image-lowlatency (Ubuntu package)
linux-image-lowlatency-64k (Ubuntu package)
linux-image-lowlatency-64k-hwe-24.04 (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-gkeop (Ubuntu package)
linux-image-6.8.0-1002-gkeop (Ubuntu package)
linux-image-gkeop-6.8 (Ubuntu package)
linux-image-6.8.0-1015-gke (Ubuntu package)
linux-image-gke (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-6.8.0-1016-raspi (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-6.8.0-1017-ibm (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-6.8.0-1017-oracle (Ubuntu package)
linux-image-6.8.0-1017-oracle-64k (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-6.8.0-1018-oem (Ubuntu package)
linux-image-oem-24.04a (Ubuntu package)
linux-image-oem-24.04 (Ubuntu package)
linux-image-6.8.0-1019-nvidia-64k (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1019-gcp (Ubuntu package)
linux-image-6.8.0-1019-nvidia (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-6.8.0-1020-aws (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-6.8.0-1020-azure (Ubuntu package)
linux-image-6.8.0-1020-azure-fde (Ubuntu package)
linux-image-azure (Ubuntu package)
linux-image-azure-fde (Ubuntu package)

Install update from vendor's website.

Linux kernel - addressed in versions 6.10.11, 6.11
linux-image-6.8.0-50-generic-64k (Ubuntu package) - addressed in versions 6.8.0-50.51, 6.8.0-50.51~22.04.1
linux-image-6.8.0-50-generic (Ubuntu package) - addressed in versions 6.8.0-50.51, 6.8.0-50.51~22.04.1
linux-image-generic (Ubuntu package) - update to 6.8.0-50.51
linux-image-generic-64k (Ubuntu package) - update to 6.8.0-50.51
linux-image-generic-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-50.51
linux-image-generic-hwe-24.04 (Ubuntu package) - update to 6.8.0-50.51
linux-image-generic-lpae (Ubuntu package) - update to 6.8.0-50.51
linux-image-kvm (Ubuntu package) - update to 6.8.0-50.51
linux-image-virtual-hwe-24.04 (Ubuntu package) - update to 6.8.0-50.51
linux-image-virtual (Ubuntu package) - update to 6.8.0-50.51
linux-image-lowlatency-hwe-24.04 (Ubuntu package) - update to 6.8.0-50.51.1
linux-image-6.8.0-50-lowlatency (Ubuntu package) - addressed in versions 6.8.0-50.51.1, 6.8.0-50.51.1~22.04.1
linux-image-6.8.0-50-lowlatency-64k (Ubuntu package) - addressed in versions 6.8.0-50.51.1, 6.8.0-50.51.1~22.04.1
linux-image-lowlatency (Ubuntu package) - update to 6.8.0-50.51.1
linux-image-lowlatency-64k (Ubuntu package) - update to 6.8.0-50.51.1
linux-image-lowlatency-64k-hwe-24.04 (Ubuntu package) - update to 6.8.0-50.51.1
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-50.51.1~22.04.1
linux-image-lowlatency-hwe-22.04 (Ubuntu package) - update to 6.8.0-50.51.1~22.04.1
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-oem-22.04 (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-oem-22.04a (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-oem-22.04b (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-oem-22.04c (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-oem-22.04d (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-gkeop (Ubuntu package) - update to 6.8.0-1002.4
linux-image-6.8.0-1002-gkeop (Ubuntu package) - update to 6.8.0-1002.4
linux-image-gkeop-6.8 (Ubuntu package) - update to 6.8.0-1002.4
linux-image-6.8.0-1015-gke (Ubuntu package) - update to 6.8.0-1015.19
linux-image-gke (Ubuntu package) - update to 6.8.0-1015.19
linux-image-raspi (Ubuntu package) - update to 6.8.0-1016.18
linux-image-6.8.0-1016-raspi (Ubuntu package) - update to 6.8.0-1016.18
linux-image-ibm-lts-24.04 (Ubuntu package) - update to 6.8.0-1017.17
linux-image-6.8.0-1017-ibm (Ubuntu package) - update to 6.8.0-1017.17
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1017.17
linux-image-ibm (Ubuntu package) - update to 6.8.0-1017.17
linux-image-6.8.0-1017-oracle (Ubuntu package) - addressed in versions 6.8.0-1017.18, 6.8.0-1017.18~22.04.1
linux-image-6.8.0-1017-oracle-64k (Ubuntu package) - addressed in versions 6.8.0-1017.18, 6.8.0-1017.18~22.04.1
linux-image-oracle-64k (Ubuntu package) - addressed in versions 6.8.0-1017.18, 6.8.0-1017.18~22.04.1
linux-image-oracle (Ubuntu package) - addressed in versions 6.8.0-1017.18, 6.8.0-1017.18~22.04.1
linux-image-6.8.0-1018-oem (Ubuntu package) - update to 6.8.0-1018.18
linux-image-oem-24.04a (Ubuntu package) - update to 6.8.0-1018.18
linux-image-oem-24.04 (Ubuntu package) - update to 6.8.0-1018.18
linux-image-6.8.0-1019-nvidia-64k (Ubuntu package) - addressed in versions 6.8.0-1019.21, 6.8.0-1019.21~22.04.1
linux-image-nvidia (Ubuntu package) - update to 6.8.0-1019.21
linux-image-nvidia-64k (Ubuntu package) - update to 6.8.0-1019.21
linux-image-6.8.0-1019-gcp (Ubuntu package) - addressed in versions 6.8.0-1019.21, 6.8.0-1019.21~22.04.1
linux-image-6.8.0-1019-nvidia (Ubuntu package) - addressed in versions 6.8.0-1019.21, 6.8.0-1019.21~22.04.1
linux-image-gcp (Ubuntu package) - addressed in versions 6.8.0-1019.21, 6.8.0-1019.21~22.04.1
linux-image-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1019.21.1
linux-image-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1019.21.1
linux-image-6.8.0-1019-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1019.21.1
linux-image-6.8.0-1019-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1019.21.1
linux-image-nvidia-6.8 (Ubuntu package) - update to 6.8.0-1019.21~22.04.1
linux-image-nvidia-64k-6.8 (Ubuntu package) - update to 6.8.0-1019.21~22.04.1
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) - update to 6.8.0-1019.21~22.04.1
linux-image-nvidia-hwe-22.04 (Ubuntu package) - update to 6.8.0-1019.21~22.04.1
linux-image-6.8.0-1020-aws (Ubuntu package) - addressed in versions 6.8.0-1020.22, 6.8.0-1020.22~22.04.1
linux-image-aws (Ubuntu package) - addressed in versions 6.8.0-1020.22, 6.8.0-1020.22~22.04.1
linux-image-6.8.0-1020-azure (Ubuntu package) - addressed in versions 6.8.0-1020.23, 6.8.0-1020.23~22.04.1
linux-image-6.8.0-1020-azure-fde (Ubuntu package) - addressed in versions 6.8.0-1020.23, 6.8.0-1020.23~22.04.1
linux-image-azure (Ubuntu package) - addressed in versions 6.8.0-1020.23, 6.8.0-1020.23~22.04.1
linux-image-azure-fde (Ubuntu package) - addressed in versions 6.8.0-1020.23, 6.8.0-1020.23~22.04.1

• https://git.kernel.org/stable/c/abc8feacacf8fae10eecf6fea7865e8c1fee419c
• https://git.kernel.org/stable/c/94c4aa266111262c96c98f822d1bccc494786fee
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.11
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

• Use-after-free in Linux kernel drm xe driver
• Ubuntu update for linux-gkeop
• Ubuntu update for linux-nvidia
• Ubuntu update for linux
• Ubuntu update for linux-hwe-6.8
• Ubuntu update for linux-azure