K000161577: Linux kernel vulnerability CVE-2025-39817

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190...

AZL-85806 CVE-2026-43245 affecting package kernel for versions less than 6.6.141.1-1

In the Linux kernel, the following vulnerability has been resolved: ntfs: -dcompare must not block ... so don't use getname there. Switch it and ntfsdhash, while we are at it to kmallocPATHMAX, GFPNOWAIT. Yes, ntfsdhash almost certainly can do with smaller allocations, but let ntfs folks deal wit...

CVE-2026-43245

CVE-2026-43245 affects the Linux kernel NTFS driver. The root cause is that ntfs: ->d_compare() could block, with related memory-allocation issues in names_cachep. The authenticated fixes switch critical paths to non-blocking allocations: use kmalloc(PATH_MAX, GFP_NOWAIT) for the path/name han...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the dcompare function in the ntfs file system using the potentially blocking getname function, which ma...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006807)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006807 advisory. In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as...

CVE-2025-39817 efivarfs: Fix slab-out-of-bounds in efivarfs_d_compare

In the Linux kernel, the following vulnerability has been resolved: efivarfs: Fix slab-out-of-bounds in efivarfsdcompare Observed on kernel 6.6 present on master as well: BUG: KASAN: slab-out-of-bounds in memcmp+0x98/0xd0 Call trace: kasancheckrange+0xe8/0x190 asanloadN+0x1c/0x28 memcmp+0x98/0xd0...

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 validate the dentry length in the efivarfsdcompare function, which could result in an...