Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: fixed the qgroup reserve leaks in cowfilerange. In the buffered write path, the dirty page owns the qgroup reserve until it creates an orderedextent. Therefore, any errors that occur before the orderedextent is created...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: cifs: The xid leak in cifscopyfilerange has been fixed. If the file is used by swap, before returning -EOPNOTSUPP, the xid should be freed. Otherwise, the xid will be leaked...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: btrfs: Ensure that pages are unlocked in case of a failure in cowfilerange. There is a hangtask report for zoned btrfs as follows: https://github.com/naota/linux/issues/59 726.328648 INFO: Task rocksdb:high0:11085 blocked for...

CVE-2026-89640

A flaw was found in the Linux kernel's Common Internet File System CIFS implementation. When performing a file range remapping operation with a zero length, an integer underflow can occur if the offset exceeds the file size. This can lead to corruption of the byte count in file system control...

Linux Distros Unpatched Vulnerability : CVE-2026-89640

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cifs: fix lofft underflow in cifsremapfilerange when len == 0 With len == 0 clone to EOF, the effective length is computed as: len = srcinode-isize - off; If of...

CVE-2026-89600

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix use-after-free of file range info fsnotifyprecontent builds its filerange on the triggering task's stack. fanotifyallocpermevent saves a pointer to range.pos in the heap-allocated permission event so...

CVE-2026-89600

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix use-after-free of file range info fsnotifyprecontent builds its filerange on the triggering task's stack. fanotifyallocpermevent saves a pointer to range.pos in the heap-allocated permission event so...

CVE-2026-89600

In the Linux kernel, the following vulnerability has been resolved: fanotify: fix use-after-free of file range info fsnotifyprecontent builds its filerange on the triggering task's stack. fanotifyallocpermevent saves a pointer to range.pos in the heap-allocated permission event so...

CVE-2026-89600

CVE-2026-89600 is a use-after-free vulnerability in the Linux kernel's fanotify subsystem . The root cause: fsnotify_pre_content() builds a file_range on the triggering task's stack, and fanotify_alloc_perm_event() stores a pointer to range.pos in a heap-allocated permission event. If a signal in...

PT-2026-96406

In the Linux kernel, the following vulnerability has been resolved: ocfs2: always run deallocs on copy-on-write completion Local fuzzing of 6.12.94 has found the following memory leak caused by doing 'copy file range' within the same filesystem: unreferenced object 0xffff88812192c980 size 32: com...

PT-2026-90316

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the fanotify component. The fsnotify pre content function creates a file range on the triggering task's stack, and fanotify alloc perm event saves a...

PT-2026-96581

In the Linux kernel, the following vulnerability has been resolved: nfsd: sample writeback error cursor before async COPY loop nfsd copy file range samples dst-f wb err into "since" after the copy loop, then uses it to detect writeback errors via filemap check wb err once vfs fsync range returns...

PT-2026-96405

In the Linux kernel, the following vulnerability has been resolved: cifs: fix loff t underflow in cifs remap file range when len == 0 With len == 0 clone to EOF, the effective length is computed as: len = src inode-i size - off; If off i size, this is a negative loff t, corrupting the ByteCount i...

Уязвимость функции cifs_copy_file_range() модуля fs/cifs/cifsfs.c файловой системы ядра операционной системы Linux, позволяющая нарушителю вызвать отказ в обслуживании

Уязвимость функции cifscopyfilerange модуля fs/cifs/cifsfs.c файловой системы ядра операционной системы Linux связана с неосвобождением ресурса после истечения действительного срока его эксплуатирования. Эксплуатация уязвимости может позволить нарушителю вызвать отказ в обслуживании...

SUSE CVE-2026-64399

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add permission checks for FSCTLDUPLICATEEXTENTSTOFILE The FSCTLDUPLICATEEXTENTSTOFILE arm of smb2ioctl overwrites the destination file's data via vfsclonefilerange with neither the share-level KSMBDTREECONNFLAGWRITABLE che...

UBUNTU-CVE-2026-64399

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add permission checks for FSCTLDUPLICATEEXTENTSTOFILE The FSCTLDUPLICATEEXTENTSTOFILE arm of smb2ioctl overwrites the destination file's data via vfsclonefilerange with neither the share-level KSMBDTREECONNFLAGWRITABLE che...

CVE-2026-64399

Summary: CVE-2026-64399 affects the Linux kernel ksmbd path for FSCTL_DUPLICATE_EXTENTS_TO_FILE. The vulnerability allows overwriting a destination file’s data via vfs_clone_file_range() because both the share-level KSMBD_TREE_CONN_FLAG_WRITABLE check and a per-handle daccess check were absent, a...

EUVD-2026-48939

In the Linux kernel, the following vulnerability has been resolved: ksmbd: require source read access for duplicate extents FSCTLDUPLICATEEXTENTSTOFILE passes the source file directly to vfsclonefilerange or vfscopyfilerange without checking the SMB access mask granted to the source handle. A...

The vulnerability of the cow_file_range() function in the fs/btrfs/inode.c module of the file system Btrfs in the Linux kernel allows a attacker to cause a service failure.

The vulnerability of the cowfilerange function in the fs/btrfs/inode.c module of the btrfs file system in the Linux kernel lies in the absence of resource locking in case of errors. Exploiting this vulnerability could allow a attacker to cause a service failure...

RockyLinux 10 : java-25-openjdk (RLSA-2026:9693)

The remote RockyLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:9693 advisory. JDK: Enhance crypto algorithm support CVE-2026-22007 JDK: Improved Arena allocations CVE-2026-22008 JDK: Improve Kerberos credentialing CVE-2026-22013...