Buffer overflow in Linux kernel - CVE-2023-52455

Vulnerability identifier: #VU93166

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-2023-52455

CWE-ID: CWE-119

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to memory corruption within the of_iommu_get_resv_regions() function in drivers/iommu/of_iommu.c. A local user can execute arbitrary code.

Linux kernel
Ubuntu
IBM Storage Scale System
linux-image-generic-64k-hwe-22.04 (Ubuntu package)
linux-image-virtual-hwe-22.04 (Ubuntu package)
linux-image-generic-hwe-22.04 (Ubuntu package)
linux-image-6.5.0-41-generic-64k (Ubuntu package)
linux-image-6.5.0-41-generic (Ubuntu package)
linux-image-6.5.0-1017-laptop (Ubuntu package)
linux-image-laptop-23.10 (Ubuntu package)
linux-image-6.5.0-1021-nvidia (Ubuntu package)
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package)
linux-image-nvidia-6.5 (Ubuntu package)
linux-image-nvidia-64k-6.5 (Ubuntu package)
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package)
linux-image-nvidia-hwe-22.04 (Ubuntu package)
linux-image-6.5.0-1022-oem (Ubuntu package)
linux-image-oem-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)
Storage Protect Plus Server
IBM Security Guardium

Install update from vendor's website.

Linux kernel - addressed in versions 6.6.14, 6.7.2, 6.8
IBM Storage Scale System - addressed in versions 6.1.9.5, 6.2.2.0
linux-image-generic-64k-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-virtual-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-generic-hwe-22.04 (Ubuntu package) - update to 6.5.0.41.41~22.04.2
linux-image-6.5.0-41-generic-64k (Ubuntu package) - update to 6.5.0-41.41~22.04.2
linux-image-6.5.0-41-generic (Ubuntu package) - update to 6.5.0-41.41~22.04.2
linux-image-6.5.0-1017-laptop (Ubuntu package) - update to 6.5.0-1017.20
linux-image-laptop-23.10 (Ubuntu package) - update to 6.5.0.1017.20
linux-image-6.5.0-1021-nvidia (Ubuntu package) - update to 6.5.0-1021.22
linux-image-6.5.0-1021-nvidia-64k (Ubuntu package) - update to 6.5.0-1021.22
linux-image-nvidia-6.5 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-64k-6.5 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-64k-hwe-22.04 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-nvidia-hwe-22.04 (Ubuntu package) - update to 6.5.0.1021.29
linux-image-6.5.0-1022-oem (Ubuntu package) - update to 6.5.0-1022.23
linux-image-oem-22.04 (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04d (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04c (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04b (Ubuntu package) - update to 6.5.0.1022.24
linux-image-oem-22.04a (Ubuntu package) - update to 6.5.0.1022.24
Storage Protect Plus Server - update to 10.1.17
IBM Security Guardium - addressed in versions 12.0p31, 12.0p106

• https://git.kernel.org/stable/c/98b8a550da83cc392a14298c4b3eaaf0332ae6ad
• https://git.kernel.org/stable/c/5e23e283910c9f30248732ae0770bcb0c9438abf
• https://git.kernel.org/stable/c/bb57f6705960bebeb832142ce9abf43220c3eab1
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
• https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8

• Buffer overflow in Linux kernel iommu driver
• Ubuntu update for linux-oem-6.5
• Ubuntu update for linux-laptop
• Ubuntu update for linux-nvidia-6.5
• Ubuntu update for linux-hwe-6.5
• Multiple vulnerabilities in IBM Storage Scale System
• Multiple vulnerabilities in IBM Security Guardium
• Multiple vulnerabilities in IBM Storage Protect Plus