Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the failure of global reserved pages and the incorrect adjustment of the usedhpages counter in...

CVE-2022-50285

In the Linux kernel, the following vulnerability has been resolved: mm,hugetlb: take hugetlblock before decrementing h-resvhugepages The h-hugepages counters are protected by the hugetlblock, but allochugepage has a corner case where it can decrement the counter outside of the lock. This could le...

DEBIAN-CVE-2024-57999

In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries/iommu: IOMMU incorrectly marks MMIO range in DDW Power Hypervisor can possibily allocate MMIO window intersecting with Dynamic DMA Window DDW range, which is over 32-bit addressing. These MMIO pages needs to be...

DEBIAN-CVE-2024-26947

In the Linux kernel, the following vulnerability has been resolved: ARM: 9359/1: flush: check if the folio is reserved for no-mapping addresses Since commit a4d5613c4dc6 "arm: extend pfnvalid to take into account freed memory map alignment" changes the semantics of pfnvalid to check presence of t...

PT-2022-35618 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.4.223 Description: A potential issue exists where the hugetlb lock is not taken before decrementing h-resv huge pages. The actual impact and attack plausibility have not yet been proven. Recommendations: For...