NULL pointer dereference in Linux kernel - CVE-2024-46824

Vulnerability identifier: #VU97799

CSH Severity: Low

CVSS v4 BT: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2024-46824

CWE-ID: CWE-476

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to NULL pointer dereference within the iommufd_hwpt_nested_alloc() function in drivers/iommu/iommufd/hw_pagetable.c. A local user can perform a denial of service (DoS) attack.

Linux kernel
Red Hat Enterprise Linux for x86_64
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Power, little endian
Red Hat Enterprise Linux for Real Time
Red Hat Enterprise Linux for Real Time for NFV
Red Hat Enterprise Linux for ARM 64
Ubuntu
openEuler
Red Hat OpenShift Dev Spaces
kernel (Red Hat package)
bpftool
kernel
python3-perf-debuginfo
python3-perf
perf-debuginfo
perf
kernel-tools-devel
kernel-tools-debuginfo
kernel-tools
kernel-source
kernel-headers
kernel-devel
kernel-debugsource
kernel-debuginfo
bpftool-debuginfo
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 (Ubuntu package)
linux-image-virtual-hwe-24.04 (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-hwe-24.04 (Ubuntu package)
linux-image-6.8.0-50-lowlatency-64k (Ubuntu package)
linux-image-6.8.0-50-lowlatency (Ubuntu package)
linux-image-lowlatency-64k-hwe-22.04 (Ubuntu package)
linux-image-lowlatency-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-oem-22.04d (Ubuntu package)
linux-image-oem-22.04c (Ubuntu package)
linux-image-oem-22.04b (Ubuntu package)
linux-image-oem-22.04a (Ubuntu package)
linux-image-oem-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-generic-64k-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-gke (Ubuntu package)
linux-image-6.8.0-1015-gke (Ubuntu package)
linux-image-6.8.0-1016-raspi (Ubuntu package)
linux-image-raspi (Ubuntu package)
linux-image-ibm-classic (Ubuntu package)
linux-image-ibm-lts-24.04 (Ubuntu package)
linux-image-ibm (Ubuntu package)
linux-image-6.8.0-1017-ibm (Ubuntu package)
linux-image-oracle-64k (Ubuntu package)
linux-image-oracle (Ubuntu package)
linux-image-6.8.0-1017-oracle-64k (Ubuntu package)
linux-image-6.8.0-1017-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 (Ubuntu package)
linux-image-6.8.0-1019-nvidia-64k (Ubuntu package)
linux-image-6.8.0-1019-gcp (Ubuntu package)
linux-image-nvidia (Ubuntu package)
linux-image-nvidia-64k (Ubuntu package)
linux-image-gcp (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency (Ubuntu package)
linux-image-6.8.0-1019-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-lowlatency (Ubuntu package)
linux-image-nvidia-lowlatency-64k (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-64k-6.8 (Ubuntu package)
linux-image-nvidia-6.8 (Ubuntu package)
linux-image-aws (Ubuntu package)
linux-image-6.8.0-1020-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 6.10.10, 6.11
Red Hat OpenShift Dev Spaces - update to 3.17.0
kernel (Red Hat package) - update to 5.14.0-503.14.1.el9_5
bpftool - update to 6.6.0-50.0.0.55
kernel - update to 6.6.0-50.0.0.55
python3-perf-debuginfo - update to 6.6.0-50.0.0.55
python3-perf - update to 6.6.0-50.0.0.55
perf-debuginfo - update to 6.6.0-50.0.0.55
perf - update to 6.6.0-50.0.0.55
kernel-tools-devel - update to 6.6.0-50.0.0.55
kernel-tools-debuginfo - update to 6.6.0-50.0.0.55
kernel-tools - update to 6.6.0-50.0.0.55
kernel-source - update to 6.6.0-50.0.0.55
kernel-headers - update to 6.6.0-50.0.0.55
kernel-devel - update to 6.6.0-50.0.0.55
kernel-debugsource - update to 6.6.0-50.0.0.55
kernel-debuginfo - update to 6.6.0-50.0.0.55
bpftool-debuginfo - update to 6.6.0-50.0.0.55
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 (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-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-hwe-24.04 (Ubuntu package) - update to 6.8.0-50.51.1
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-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-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-virtual-hwe-22.04 (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-oem-22.04c (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-22.04a (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-generic-hwe-22.04 (Ubuntu package) - update to 6.8.0-50.51~22.04.1
linux-image-generic-64k-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-gke (Ubuntu package) - update to 6.8.0-1015.19
linux-image-6.8.0-1015-gke (Ubuntu package) - update to 6.8.0-1015.19
linux-image-6.8.0-1016-raspi (Ubuntu package) - update to 6.8.0-1016.18
linux-image-raspi (Ubuntu package) - update to 6.8.0-1016.18
linux-image-ibm-classic (Ubuntu package) - update to 6.8.0-1017.17
linux-image-ibm-lts-24.04 (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-ibm (Ubuntu package) - update to 6.8.0-1017.17
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-6.8.0-1017-oracle-64k (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 (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 (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-64k (Ubuntu package) - addressed in versions 6.8.0-1019.21, 6.8.0-1019.21~22.04.1
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-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-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-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-nvidia-lowlatency (Ubuntu package) - update to 6.8.0-1019.21.1
linux-image-nvidia-lowlatency-64k (Ubuntu package) - update to 6.8.0-1019.21.1
linux-image-nvidia-hwe-22.04 (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-64k-6.8 (Ubuntu package) - update to 6.8.0-1019.21~22.04.1
linux-image-nvidia-6.8 (Ubuntu package) - update to 6.8.0-1019.21~22.04.1
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-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/89827a4de802765b1ebb401fc1e73a90108c7520
• https://git.kernel.org/stable/c/a11dda723c6493bb1853bbc61c093377f96e2d47
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.10.10
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11

• NULL pointer dereference in Linux kernel iommu iommufd driver
• openEuler 24.03 LTS update for kernel
• Red Hat Enterprise Linux 9 update for kernel
• Multiple vulnerabilities in Red Hat OpenShift Dev Spaces 3.17
• 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