123 matches found
SUSE CVE-2024-49873
In the Linux kernel, the following vulnerability has been resolved: mm/filemap: fix filemapgetfolioscontig THP panic Patch series "memfd-pin huge page fixes". Fix multiple bugs that occur when using memfdpinfolios with hugetlb pages and THP. The hugetlb bugs only bite when the page is not yet...
CVE-2024-49873
In the Linux kernel, the following vulnerability has been resolved: mm/filemap: fix filemapgetfolioscontig THP panic Patch series "memfd-pin huge page fixes". Fix multiple bugs that occur when using memfdpinfolios with hugetlb pages and THP. The hugetlb bugs only bite when the page is not yet...
DEBIAN-CVE-2024-49964
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix memfdpinfolios freehugepages leak memfdpinfolios followed by unpinfolios fails to restore freehugepages if the pages were not already faulted in, because the folio refcount for pages created by memfdallocfolio nev...
DEBIAN-CVE-2024-49872
In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix memfdpinfolios alloc race panic If memfdpinfolios tries to create a hugetlb page, but someone else already did, then folio gets the value -EEXIST here: folio = memfdallocfoliomemfd, startidx; if ISERRfolio ret =...
DEBIAN-CVE-2024-49873
In the Linux kernel, the following vulnerability has been resolved: mm/filemap: fix filemapgetfolioscontig THP panic Patch series "memfd-pin huge page fixes". Fix multiple bugs that occur when using memfdpinfolios with hugetlb pages and THP. The hugetlb bugs only bite when the page is not yet...
CVE-2024-49873
In the Linux kernel, the following vulnerability has been resolved: mm/filemap: fix filemapgetfolioscontig THP panic Patch series "memfd-pin huge page fixes". Fix multiple bugs that occur when using memfdpinfolios with hugetlb pages and THP. The hugetlb bugs only bite when the page is not yet...
UBUNTU-CVE-2024-49964
In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix memfdpinfolios freehugepages leak memfdpinfolios followed by unpinfolios fails to restore freehugepages if the pages were not already faulted in, because the folio refcount for pages created by memfdallocfolio nev...
UBUNTU-CVE-2024-49872
In the Linux kernel, the following vulnerability has been resolved: mm/gup: fix memfdpinfolios alloc race panic If memfdpinfolios tries to create a hugetlb page, but someone else already did, then folio gets the value -EEXIST here: folio = memfdallocfoliomemfd, startidx; if ISERRfolio ret =...
UBUNTU-CVE-2024-49873
In the Linux kernel, the following vulnerability has been resolved: mm/filemap: fix filemapgetfolioscontig THP panic Patch series "memfd-pin huge page fixes". Fix multiple bugs that occur when using memfdpinfolios with hugetlb pages and THP. The hugetlb bugs only bite when the page is not yet...
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 the Linux kernel that stems from incorrect handling of file mapping to obtain a contiguous folio when using memfdpinfolios with the hugetlb...
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 the Linux kernel that stems from a folio allocation contention in memfdpinfolios...
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 the Linux kernel that stems from a failure to properly recover freehugepages during memfdpinfolios and unpinfolios, which could lead to a...
PT-2024-33717
Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A race condition panic in the Linux kernel has been resolved. The issue occurs when memfd pin folios attempts to create a hugetlb page, but another process has already done so, resulti...
PT-2024-41586
Уязвимость функции memfd pin folios модуля mm/gup.c подсистемы управления памятью ядра операционной системы Linux связана с ошибками синхронизации при использовании общего ресурса. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...
PT-2024-33718
Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue is related to the Linux kernel, specifically with the filemap get folios contig function when used with memfd pin folios and huge pages THP. The problem occurs when the...
PT-2024-33805
Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A memory leak issue has been identified in the Linux kernel, specifically in the mm/hugetlb component. The problem occurs when memfd pin folios is followed by unpin folios, and the pag...
New Python-Based Fileless Malware Named ‘PyLoose’ Targeting Cloud Environments
Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary A new fileless attack called PyLoose targets cloud workloads by loading an XMRig Miner directly into memory using Python code and the memfd technique. This evasive attack highlights the need for advanced...
Python-Based PyLoose Fileless Attack Targets Cloud Workloads for Cryptocurrency Mining
A new fileless attack dubbed PyLoose has been observed striking cloud workloads with the goal of delivering a cryptocurrency miner, new findings from Wiz reveal. "The attack consists of Python code that loads an XMRig Miner directly into memory using memfd, a known Linux fileless technique,"...
kernel: mm/secretmem: fix panic when growing a memfd_secret
In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix panic when growing a memfdsecret When one tries to grow an existing memfdsecret with ftruncate, one gets a panic 1. For example, doing the following reliably induces the panic: fd = memfdsecret; ftruncatefd, 10;...
PT-2022-29919
Name of the Vulnerable Software and Affected Versions Linux Kernel versions prior to v5.15.35 Description A potential security issue exists in the Linux Kernel, specifically in the mm/secretmem module, which could lead to a panic when growing a memfd secret. The actual impact and attack...