USN-6766-3: Linux kernel (AWS) vulnerabilities

It was discovered that the Open vSwitch implementation in the Linux kernel could overflow its stack during recursive action operations under certain conditions. A local attacker could use this to cause a denial of service system crash. CVE-2024-1151 Sander Wiebing, Alvise de Faveri Tron, Herbert...

CVE-2024-35877

In the Linux kernel, the following vulnerability has been resolved: x86/mm/pat: fix VMPAT handling in COW mappings PAT handling won't do the right thing in COW mappings: the first PTE or, in fact, all PTEs can be replaced during write faults to point at anon folios. Reliably recovering the correc...

AZL-67755 CVE-2024-35951 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/panfrost: Fix the error path in panfrostmmumapfaultaddr Subject: PATCH drm/panfrost: Fix the error path in panfrostmmumapfaultaddr If some the pages or sgt allocation failed, we shouldn't release the pages ref we got earlier,...

UBUNTU-CVE-2024-35987

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix loading 64-bit NOMMU kernels past the start of RAM commit 3335068f8721 "riscv: Use PUD/P4D/PGD pages for the linear mapping" added logic to allow using RAM below the kernel load address. However, this does not work for...

CVE-2024-36000

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix missing hugetlblock for resv uncharge There is a recent report on UFFDIOCOPY over hugetlb: https://lore.kernel.org/all/[email protected]/ 350: lockdepassertheld&hugetlblock; Should be an issu...

CVE-2024-35993

In the Linux kernel, the following vulnerability has been resolved: mm: turn foliotesthugetlb into a PageType The current foliotesthugetlb can be fooled by a concurrent folio split into returning true for a folio which has never belonged to hugetlbfs. This can't happen if the caller holds a...

CVE-2024-35988

In the Linux kernel, the following vulnerability has been resolved: riscv: Fix TASKSIZE on 64-bit NOMMU On NOMMU, userspace memory can come from anywhere in physical RAM. The current definition of TASKSIZE is wrong if any RAM exists above 4G, causing spurious failures in the userspace access...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel, which stems from a vulnerability in the x86/mm/pat module...

SUSE CVE-2024-27406

In the Linux kernel, the following vulnerability has been resolved: lib/Kconfig.debug: TESTIOVITER depends on MMU Trying to run the ioviter unit test on a nommu system such as the qemu kc705-nommu emulation results in a crash. KTAP version 1 Subtest: ioviter module: kunitioviter 1..9 BUG: failure...

CVE-2024-27406

A vulnerability was found and fixed in the Linux kernel's TESTIOVITER configuration option. This fix corrected the dependancy on the Memory Management Unit MMU. Previously, enabling this option without proper dependency checks could lead to kernel misbehavior or crashes. Mitigation Mitigation for...

UBUNTU-CVE-2024-35843

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Use device rbtree in iopf reporting path The existing I/O page fault handler currently locates the PCI device by calling pcigetdomainbusandslot. This function searches the list of all PCI devices until the desired...

DEBIAN-CVE-2024-35832

In the Linux kernel, the following vulnerability has been resolved: bcachefs: kvfree bchfs::snapshots in bch2fssnapshotsexit bchfs::snapshots is allocated by kvzalloc in snapshottmut. It should be freed by kvfree not kfree. Or umount will triger: 406.829178 BUG: unable to handle page fault for...

CVE-2024-35810

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix the lifetime of the bo cursor memory The cleanup can be dispatched while the atomic update is still active, which means that the memory acquired in the atomic update needs to not be invalidated by the cleanup. The...

CVE-2024-35810 drm/vmwgfx: Fix the lifetime of the bo cursor memory

In the Linux kernel, the following vulnerability has been resolved: drm/vmwgfx: Fix the lifetime of the bo cursor memory The cleanup can be dispatched while the atomic update is still active, which means that the memory acquired in the atomic update needs to not be invalidated by the cleanup. The...

The vulnerability of the filemap_cachestat() function in the mm/filemap.c module of the Linux kernel’s memory management subsystem allows an attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the filemapcachestat function in the mm/filemap.c module of the Linux kernel’s memory management subsystem is related to the use of memory after it has been freed. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

The vulnerability of the pfn_valid() function in the include/linux/mmzone.h module of the Linux kernel’s memory management subsystem allows a attacker to cause a service failure.

The vulnerability of the pfnvalid function in the include/linux/mmzone.h module of the Linux memory management subsystem is related to an infinite recursion. Exploiting this vulnerability could allow an attacker to cause a system failure...

USN-6766-2: Linux kernel vulnerabilities

It was discovered that the Open vSwitch implementation in the Linux kernel could overflow its stack during recursive action operations under certain conditions. A local attacker could use this to cause a denial of service system crash. CVE-2024-1151 Sander Wiebing, Alvise de Faveri Tron, Herbert...

The vulnerability of the `flush_all_cpus_locked()` function in the `mm/slub.c` module of the Linux kernel’s memory management subsystem allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the flushallcpuslocked function in the mm/slub.c module of the Linux kernel’s memory management subsystem is related to the use of an incorrect queue for task execution. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Siemens Solid Edge Stack Buffer Overflow Vulnerability (CNVD-2024-24513)

Siemens Solid Edge is an enterprise-class computer-aided design software for complex 3D modeling. Siemens Solid Edge suffers from a stack buffer overflow vulnerability that stems from improper memory management when the software parses specially crafted PAR files. An attacker can exploit the...

The vulnerability of the intel_iommu_release_device() function in the drivers/iommu/intel/iommu.c file of the Linux operating system’s Intel IOMMU driver allows a hacker to cause a service failure.

The vulnerability of the inteliommureleasedevice function in the drivers/iommu/intel/iommu.c file of the Linux kernel’s Intel IOMMU driver is related to the assignment of a null pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...