CVE-2026-92487

In the Linux kernel, the following vulnerability has been resolved: exfat: fix validsize extension over a shared writable mapping When a shared writable mapping has its validsize extended by a buffered write or a page fault, exfat zeroes the page-cache gap below the new validsize. A store through...

CVE-2026-92487 exfat: fix valid_size extension over a shared writable mapping

In the Linux kernel, the following vulnerability has been resolved: exfat: fix validsize extension over a shared writable mapping When a shared writable mapping has its validsize extended by a buffered write or a page fault, exfat zeroes the page-cache gap below the new validsize. A store through...

EUVD-2026-82108

In the Linux kernel, the following vulnerability has been resolved: exfat: fix validsize extension over a shared writable mapping When a shared writable mapping has its validsize extended by a buffered write or a page fault, exfat zeroes the page-cache gap below the new validsize. A store through...

CVE-2026-92487

CVE-2026-92487 is a race condition in the Linux kernel's exfat filesystem . When a shared writable mapping has its valid_size extended (via a buffered write or page fault), exfat zeroes the page-cache gap below the new valid_size. A concurrent store through the mapping can race with this zeroing ...

CVE-2026-92487: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: exfat: fix validsize extension over a shared writable mapping When a shared writable mapping has its validsize extended by a buffered write or a page fault, exfat zeroes the page-cache gap below the new validsize. A store through...

CVE-2026-86901

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

CVE-2026-86900

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

CVE-2026-86901

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

CVE-2026-86901

A vulnerability in macOS (specifically related to Golden Gate 27 ) was identified involving an out-of-bounds write caused by insufficient bounds checking. An attacker can trigger this issue by mounting a maliciously crafted exFAT volume , potentially leading to unexpected system termination or ke...

EUVD-2026-77865

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

CVE-2026-86901

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

CVE-2026-86900

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

CVE-2026-86900

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

EUVD-2026-78005

An out-of-bounds read issue was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27. Mounting a maliciously crafted exFAT volume may cause unexpected system termination or kernel memory disclosure...

CVE-2026-86900

An out-of-bounds read vulnerability exists in macOS (specifically within Golden Gate 27 ) due to insufficient input validation. A researcher or attacker can trigger this issue by mounting a maliciously crafted exFAT volume , which may result in unexpected system termination or kernel memory discl...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: Fixed a double-free operation in the delayedfree function. The double-free could occur at the following paths: c exfatcreateupcasetable exfatcreateupcasetable : Return error exfatfreeupcasetable : Free -volutbl...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: fixed a potential deadlock in exfatgetdentryset When accessing a file with more entries than ESMAXENTRYNUM, the bh-array is allocated in exfatgetdentryset. The issue arises from the fact that the bh-array is allocated usin...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: exfat: Use kvmallocarray/kvfree instead of kmallocarray/kfree. The call stack shown below represents a scenario in the Linux 4.19 kernel. Memory allocation failed for the exfat file system, due to system memory fragmentation...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15

A flaw was discovered in the exFAT driver of the Linux kernel. The vulnerability resides in the implementation of the file name reconstruction function, which is responsible for reading file name entries from a directory index and merging file name parts belonging to one file into a single long...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: exfat: Check if the cluster number is valid. Syzbot reported a slab-out-of-bounds read in exfatclearbitmap. This issue was triggered when the reproducer called truncute with a size of 0, resulting in the following error messag...