CVE-2023-54194

In the Linux kernel, the following vulnerability has been resolved: exfat: use kvmallocarray/kvfree instead of kmallocarray/kfree The call stack shown below is a scenario in the Linux 4.19 kernel. Allocating memory failed where exfat fs use kmallocarray due to system memory fragmentation, while t...

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, which stems from the fact that exfat's use of kmallocarray may result in a memory allocation failure...

PT-2025-54023

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel experienced an issue where memory allocation failed for the exFAT file system due to system memory fragmentation. This occurred when using kmalloc array and kfree,...

Linux Distros Unpatched Vulnerability : CVE-2025-68350

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - exfat: fix divide-by-zero in exfatallocatebitmap The variable maxracount can be 0 in exfatallocatebitmap, which causes a divide-by-zero error in the subsequent...

SUSE CVE-2025-68350

In the Linux kernel, the following vulnerability has been resolved: exfat: fix divide-by-zero in exfatallocatebitmap The variable maxracount can be 0 in exfatallocatebitmap, which causes a divide-by-zero error in the subsequent modulo operation i % maxracount, leading to a system crash. When...

SUSE CVE-2025-68351

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

EUVD-2025-205103

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

EUVD-2025-205104

In the Linux kernel, the following vulnerability has been resolved: exfat: fix divide-by-zero in exfatallocatebitmap The variable maxracount can be 0 in exfatallocatebitmap, which causes a divide-by-zero error in the subsequent modulo operation i % maxracount, leading to a system crash. When...

CVE-2025-68350

In the Linux kernel, the following vulnerability has been resolved: exfat: fix divide-by-zero in exfatallocatebitmap The variable maxracount can be 0 in exfatallocatebitmap, which causes a divide-by-zero error in the subsequent modulo operation i % maxracount, leading to a system crash. When...

CVE-2025-68351

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

CVE-2025-68351

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

UBUNTU-CVE-2025-68350

In the Linux kernel, the following vulnerability has been resolved: exfat: fix divide-by-zero in exfatallocatebitmap The variable maxracount can be 0 in exfatallocatebitmap, which causes a divide-by-zero error in the subsequent modulo operation i % maxracount, leading to a system crash. When...

CVE-2025-68350

In the Linux kernel, the following vulnerability has been resolved: exfat: fix divide-by-zero in exfatallocatebitmap The variable maxracount can be 0 in exfatallocatebitmap, which causes a divide-by-zero error in the subsequent modulo operation i % maxracount, leading to a system crash. When...

UBUNTU-CVE-2025-68351

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

CVE-2025-68351 exfat: fix refcount leak in exfat_find

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

CVE-2025-68351

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

CVE-2025-68351 exfat: fix refcount leak in exfat_find

In the Linux kernel, the following vulnerability has been resolved: exfat: fix refcount leak in exfatfind Fix refcount leaks in exfatfind related to exfatgetdentryset. Function exfatgetdentryset would increase the reference counter of es-bh on success. Therefore, exfatputdentryset must be called...

CVE-2025-68351

The CVE-2025-68351 issue is in the Linux kernel exfat code, specifically a refcount leak in exfat_find. The root cause is that exfat_get_dentry_set increments es->bh on success but the corresponding exfat_put_dentry_set may not be consistently invoked, leading to leaks. The patch relocates two...

CVE-2025-68350

The CVE-2025-68350 issue affects the Linux kernel exfat code path and is caused by a division by zero in exfat_allocate_bitmap when max_ra_count can be 0. This occurs during a modulo operation (i % max_ra_count) and is triggered when readahead is not used. A patch was applied to load the bitmap w...

CVE-2025-68350 exfat: fix divide-by-zero in exfat_allocate_bitmap

In the Linux kernel, the following vulnerability has been resolved: exfat: fix divide-by-zero in exfatallocatebitmap The variable maxracount can be 0 in exfatallocatebitmap, which causes a divide-by-zero error in the subsequent modulo operation i % maxracount, leading to a system crash. When...