CVE-2026-89641

A flaw was found in the Linux kernel's Common Internet File System CIFS module. This vulnerability, a use-after-free, occurs in the cifsfilesetsize function. When a file's size is being modified, a critical system resource tcon object can be released too early but then accessed again. A local...

CVE-2026-89640 cifs: fix loff_t underflow in cifs_remap_file_range() when len == 0

In the Linux kernel, the following vulnerability has been resolved: 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 off isize, this is a negative lofft, corrupting the ByteCount in the...

CVE-2026-89638 smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions

In the Linux kernel, the following vulnerability has been resolved: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions When a file has the setuid or setgid bit set and is written to, the VFS strips those bits and issues a setattr with ATTRKILLSUID/ATTRKILLSGID...

Moderate: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8. 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 available for each vulnerability from the...

Linux Distros Unpatched Vulnerability : CVE-2026-64108

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: cifs: Fix busy dentry used after unmounting Since commit 340cea84f691c cifs: open files shou...

Mandriva Linux Security Advisory : samba (MDVSA-2012:070)

A vulnerability has been found and corrected in samba : A file existence dislosure flaw was found in the way mount.cifs tool of the Samba SMB/CIFS tools suite performed mount of a Linux CIFS Common Internet File System filesystem. A local user, able to mount a remote CIFS share / target to a loca...