CVE-2024-41031 mm/filemap: skip to create PMD-sized page cache if needed

In the Linux kernel, the following vulnerability has been resolved: mm/filemap: skip to create PMD-sized page cache if needed On ARM64, HPAGEPMDORDER is 13 when the base page size is 64KB. The PMD-sized page cache can't be supported by xarray as the following error messages indicate. ------------...

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 originates on ARM64 when the base page size is 64KB, HPAGEPMDORDER is 13, and the size of the PMD-sized page cache...

CVE-2024-40900

In the Linux kernel, the following vulnerability has been resolved: cachefiles: remove requests from xarray during flushing requests Even with CACHEFILESDEAD set, we can still read the requests, so in the following concurrency the request may be used after it has been freed: mount | daemonthread1...

SUSE CVE-2024-40900

In the Linux kernel, the following vulnerability has been resolved: cachefiles: remove requests from xarray during flushing requests Even with CACHEFILESDEAD set, we can still read the requests, so in the following concurrency the request may be used after it has been freed: mount | daemonthread1...

DEBIAN-CVE-2024-40900

In the Linux kernel, the following vulnerability has been resolved: cachefiles: remove requests from xarray during flushing requests Even with CACHEFILESDEAD set, we can still read the requests, so in the following concurrency the request may be used after it has been freed: mount | daemonthread1...

UBUNTU-CVE-2024-40900

In the Linux kernel, the following vulnerability has been resolved: cachefiles: remove requests from xarray during flushing requests Even with CACHEFILESDEAD set, we can still read the requests, so in the following concurrency the request may be used after it has been freed: mount | daemonthread1...

CVE-2024-40900 cachefiles: remove requests from xarray during flushing requests

In the Linux kernel, the following vulnerability has been resolved: cachefiles: remove requests from xarray during flushing requests Even with CACHEFILESDEAD set, we can still read the requests, so in the following concurrency the request may be used after it has been freed: mount | daemonthread1...

CVE-2024-40899 cachefiles: fix slab-use-after-free in cachefiles_ondemand_get_fd()

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix slab-use-after-free in cachefilesondemandgetfd We got the following issue in a fuzz test of randomly issuing the restore command: ================================================================== BUG: KASAN:...

CVE-2024-40899 cachefiles: fix slab-use-after-free in cachefiles_ondemand_get_fd()

In the Linux kernel, the following vulnerability has been resolved: cachefiles: fix slab-use-after-free in cachefilesondemandgetfd We got the following issue in a fuzz test of randomly issuing the restore command: ================================================================== BUG: KASAN:...

Linux kernel security vulnerabilities

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 of the cachefiles component to remove requests from the xarray when refreshing them, which could...

PT-2024-29212

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.6.43 Description The Linux kernel has a vulnerability related to the creation of PMD-sized page cache. On ARM64 systems, when the base page size is 64KB, HPAGE PMD ORDER is 13, which cannot be supported by...

CVE-2022-48726

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

CVE-2022-48726

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

CVE-2022-48726 RDMA/ucma: Protect mc during concurrent multicast leaves

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

CVE-2022-48726 RDMA/ucma: Protect mc during concurrent multicast leaves

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

CVE-2022-48726

CVE-2022-48726 affects the Linux kernel’s RDMA/ucma code path, specifically a use-after-free in ucma_cleanup_multicast and related flows (ucma_destroy_private_ctx, ucma_write) caused by touching a concurrently freed multicast structure during a multicast leaves operation. The description notes th...

CVE-2022-48726 RDMA/ucma: Protect mc during concurrent multicast leaves

In the Linux kernel, the following vulnerability has been resolved: RDMA/ucma: Protect mc during concurrent multicast leaves Partially revert the commit mentioned in the Fixes line to make sure that allocation and erasing multicast struct are locked. BUG: KASAN: use-after-free in...

CVE-2021-47481

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR Normally the zero fill would hide the missing initialization, but an errant set to descsize in regcreate causes a crash: BUG: unable to handle page fault for address:...

CVE-2021-47365

A vulnerability was found in the afsextendwriteback function in the Linux kernel’s AFS module. A loop designed to enhance write efficiency can leak memory caused by the removal of the cleanup loop when the code switches from using findgetpagescontig to xarray scanning, as the latter only gets a...

CVE-2021-47481

In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR Normally the zero fill would hide the missing initialization, but an errant set to descsize in regcreate causes a crash: BUG: unable to handle page fault for address:...