AZL-102612 CVE-2026-90318 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: fat: release buffer head after rebuilding parent fatscanlogstart leaves the matching directory entry's buffer head in sinfo.bh for the caller to release, just like fatscan. fatrebuildparent uses the directory entry to rebuild the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Fat: Avoid underflow of the parent link count in rmdir. Corrupted FAT images may cause the directory inode to have an incorrect inlink value e.g., 2, even though subdirectories exist. rmdir then will unconditionally call...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100769)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100769 advisory. In the Linux kernel, the following vulnerability has been resolved: fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode...

EulerOS 2.0 SP13 : kernel (EulerOS-SA-2026-2971)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : USB: core: Limit the length of unkillable synchronous timeoutsCVE-2026-43428 usb: typec: ucsi: validate connector number in...

CVE-2026-6684

FatFs prior to R0.16 that use GPT scanning with 'FFLBA64 = 1' contains an issue where an unbounded loop count derived from GPT header field GPTHPtNum, enabling extremely long or effectively infinite mount-time scans. This maps to CWE-835 Loop with Unreachable Exit Condition. Estimated CVSS v3.1...

EUVD-2026-40994

FatFs prior to R0.16 that use GPT scanning with 'FFLBA64 = 1' contains an issue where an unbounded loop count derived from GPT header field GPTHPtNum, enabling extremely long or effectively infinite mount-time scans. This maps to CWE-835 Loop with Unreachable Exit Condition. Estimated CVSS v3.1...

CVE-2026-6683 FatFs Divide-by-Zero in exFAT Sync

FatFs R0.16 and earlier contains a divide-by-zero in exFAT sync logic bug when crafted metadata causes nfatent - 2 to be zero during write/sync operations. This maps to CWE-369 Divide By Zero. Estimated CVSS v3.1 vector: CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H 4.6, Medium. Network-delivered...

EUVD-2026-40992

In FatFS R0.16 and earlier contains a FAT32 integer overflow bug in mountvolume where fasize = fs-nfats can wrap, leading to attacker-controlled file-size metadata and unsafe read lengths in downstream callers. This maps to CWE-190 Integer Overflow or Wraparound. Estimated CVSS v3.1 vector:...

CVE-2026-6682 FatFs Integer Overflow in FAT32 Volume Mount

In FatFS R0.16 and earlier contains a FAT32 integer overflow bug in mountvolume where fasize = fs-nfats can wrap, leading to attacker-controlled file-size metadata and unsafe read lengths in downstream callers. This maps to CWE-190 Integer Overflow or Wraparound. Estimated CVSS v3.1 vector:...

SUSE CVE-2026-45915

In the Linux kernel, the following vulnerability has been resolved: fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode with an incorrect inlink e.g. 2 even though subdirectories exist. rmdir then unconditionally calls dropnlinkdir and can drive inlink...

CVE-2026-45915

A flaw was found in the Linux kernel's handling of FAT File Allocation Table filesystems. When processing corrupted FAT images, the rmdir function can incorrectly decrement the parent directory's link count. This underflow can lead to a system instability or a denial of service DoS by triggering ...

CVE-2026-45915 fat: avoid parent link count underflow in rmdir

In the Linux kernel, the following vulnerability has been resolved: fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode with an incorrect inlink e.g. 2 even though subdirectories exist. rmdir then unconditionally calls dropnlinkdir and can drive inlink...

CVE-2026-45915

CVE-2026-45915 — FAT filesystem rmdir link-count underflow (Linux kernel) Root cause: When FAT images are corrupted, a directory inode’s i_nlink can be incorrect (e.g., 2) while subdirectories exist, causing rmdir to call drop_nlink(dir) unconditionally and potentially drive i_nlink to 0, trigger...

CVE-2026-45915

In the Linux kernel, the following vulnerability has been resolved: fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode with an incorrect inlink e.g. 2 even though subdirectories exist. rmdir then unconditionally calls dropnlinkdir and can drive inlink...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the fact that the rmdir operation in the FAT file system does not check the inlink value of the...

CVE-2026-45915

In the Linux kernel, the following vulnerability has been resolved: fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode with an incorrect inlink e.g. 2 even though subdirectories exist. rmdir then unconditionally calls dropnlinkdir and can drive inlink...

Linux Distros Unpatched Vulnerability : CVE-2026-45915

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fat: avoid parent link count underflow in rmdir Corrupted FAT images can leave a directory inode with an incorrect inlink e.g. 2 even though subdirectories exis...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001879)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001879 advisory. Buffer overflow in the VFAT filesystem implementation in the Linux kernel before 3.3 allows local users to gain privileges or cause a denial of service system crash...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002207)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002207 advisory. Buffer overflow in the VFAT filesystem implementation in the Linux kernel before 3.3 allows local users to gain privileges or cause a denial of service system crash...

EUVD-2025-201192

In the Linux kernel, the following vulnerability has been resolved: vfat: fix missing sbminblocksize return value checks When emulating an nvme device on qemu with both logicalblocksize and physicalblocksize set to 8 KiB, but without format, a kernel panic was triggered during the early boot stag...