CVE-2026-64296

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker could create a specially crafted directory with malformed name fragments. When the kernel processes this directory, an out-of-bounds read and write can occur, potentially leading to a denial of service or system...

CVE-2026-63808

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker could exploit a use-after-free vulnerability in the exfatfinddirentry function. This occurs because a buffer is prematurely released while still being referenced, which can be triggered by processing a specially...

CVE-2026-63808 exfat: fix potential use-after-free in exfat_find_dir_entry()

In the Linux kernel, the following vulnerability has been resolved: exfat: fix potential use-after-free in exfatfinddirentry In exfatfinddirentry, the bufferhead obtained from exfatgetdentry is released with brelsebh before the fall-through TYPEEXTEND branch reads the directory entry through ep...

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...

USN-8177-1 linux, linux-realtime vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker with low privileges could exploit a double free vulnerability within the delayedfree function. This memory corruption flaw can lead to a denial of service DoS, potentially causing system instability or crashes. It ma...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker with low privileges could exploit a double free vulnerability within the delayedfree function. This memory corruption flaw can lead to a denial of service DoS, potentially causing system instability or crashes. It ma...

kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker with low privileges could exploit a double free vulnerability within the delayedfree function. This memory corruption flaw can lead to a denial of service DoS, potentially causing system instability or crashes. It ma...

kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker with low privileges could exploit a double free vulnerability within the delayedfree function. This memory corruption flaw can lead to a denial of service DoS, potentially causing system instability or crashes. It ma...

kernel: Kernel: Double free vulnerability in exFAT filesystem can lead to denial of service

A flaw was found in the Linux kernel's exFAT filesystem driver. A local attacker with low privileges could exploit a double free vulnerability within the delayedfree function. This memory corruption flaw can lead to a denial of service DoS, potentially causing system instability or crashes. It ma...

Linux Distros Unpatched Vulnerability : CVE-2023-54194

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

CVE-2025-40307

In the Linux kernel, the following vulnerability has been resolved: exfat: validate cluster allocation bits of the allocation bitmap syzbot created an exfat image with cluster bits not set for the allocation bitmap. exfat-fs reads and uses the allocation bitmap without checking this. The problem ...

CVE-2025-40287

An infinite loop vulnerability was found in the exFAT filesystem driver in the Linux kernel. The exfatfind function does not validate if dentry.stream.validsize is negative. A malformed exFAT filesystem with such entries causes the kernel to hang during file operations like open, truncate, or wri...

CVE-2025-40287

In the Linux kernel, the following vulnerability has been resolved: exfat: fix improper check of dentry.stream.validsize We found an infinite loop bug in the exFAT file system that can lead to a Denial-of-Service DoS condition. When a dentry in an exFAT filesystem is malformed, the following syst...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_3

This update for kernel-livepatch-MICRO-6-0-RTUpdate3 fixes the following issues: CVE-2024-49974: NFSD: limit the number of concurrent async COPY operations bsc1232384 CVE-2025-21971: netsched: Prevent creation of classes with TCHROOT bsc1245794 CVE-2025-38206: exfat: fix double free in delayedfre...

Security update for kernel-livepatch-MICRO-6-0-RT_Update_2

This update for kernel-livepatch-MICRO-6-0-RTUpdate2 fixes the following issues: CVE-2024-49974: NFSD: limit the number of concurrent async COPY operations bsc1232384 CVE-2025-21971: netsched: Prevent creation of classes with TCHROOT bsc1245794 CVE-2025-38206: exfat: fix double free in delayedfre...

SUSE-SU-2025:20907-1 Security update for kernel-livepatch-MICRO-6-0_Update_4

This update for kernel-livepatch-MICRO-6-0Update4 fixes the following issues: - CVE-2025-21971: netsched: Prevent creation of classes with TCHROOT bsc1245794 - CVE-2025-38206: exfat: fix double free in delayedfree bsc1246075 - CVE-2025-38396: fs: export anoninodemakesecureinode and fix secretmem...

SUSE-SU-2025:20903-1 Security update for kernel-livepatch-MICRO-6-0_Update_5

This update for kernel-livepatch-MICRO-6-0Update5 fixes the following issues: - CVE-2025-21971: netsched: Prevent creation of classes with TCHROOT bsc1245794 - CVE-2025-38206: exfat: fix double free in delayedfree bsc1246075 - CVE-2025-38396: fs: export anoninodemakesecureinode and fix secretmem...

Security update for kernel-livepatch-MICRO-6-0_Update_4

This update for kernel-livepatch-MICRO-6-0Update4 fixes the following issues: CVE-2025-21971: netsched: Prevent creation of classes with TCHROOT bsc1245794 CVE-2025-38206: exfat: fix double free in delayedfree bsc1246075 CVE-2025-38396: fs: export anoninodemakesecureinode and fix secretmem LSM...