CVE-2026-90186: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nullblk: reject per-device queue resize for shared tag set When sharedtags is enabled, nullsetuptagset makes the device use the global tagset, whose driverdata stays NULL. nullmapqueues therefore falls back to the module-wide...

CVE-2026-90185: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nullblk: serialize configfs attribute stores with the lock The NULLBDEVICEATTR store takes no lock: applyfn attributes submitqueues, pollqueues get dev-NAME written again after applyfn returns, outside its lock; APPLY=NULL...

CVE-2026-90187: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nullblk: free zones array on device power-off nullinitzoneddev allocates dev-zones when a zoned device is powered on, but nulldeldev never frees it on power-off; dev-zones is only freed later in nullfreedev, when the configfs...

CVE-2026-90206: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix maxqid race between configfs and controller allocation The function nvmetsubsysattrqidmaxstore can race against nvmetallocctrl when a subsystem's maxqid limit is modified. Suppose maxqid is currently 64. If...

CVE-2026-93056: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fuac1legacy: remove broken string configfs attributes The UAC1STRATTRIBUTE macro defines configfs show/store handlers for the fnplay, fncap, and fncntl string options. The store function contains an inverted null che...

CVE-2026-90189: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: nullblk: register configfs subsystem after creating default devices In nullinit, configfsregistersubsystem currently runs before registerblkdev, so when nullblk is built as a module, a racing mkdir + poweron from userspace can...

CVE-2026-90301: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ocfs2: o2hb: quiesce negotiate handlers and timeout work Heartbeat regions publish struct o2hbregion as the private data for the NEGOTIMEOUT and NEGOAPPROVE o2net handlers as soon as makeitem creates the configfs region. The...

CVE-2026-93120: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: configfs: fix out-of-bounds read of qwsign osdescqwsignshow passes OSSTRINGQWSIGNLEN as the input length to utf16stoutf8s, but that argument counts UTF-16 code units while OSSTRINGQWSIGNLEN 14 is the byte size of...

EUVD-2026-80632

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: midi2: Fix null-pointer dereference in fmidi2freeepreqs A null-pointer dereference occurs in fmidi2freeepreqs when attempting to clean up an endpoint that was never initialized. When configuring the MIDI 2.0 gadget v...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Fixed recursive locking in configfsopenfile. In flushwritebuffer, the variable &p-fragsem is acquired, and then the loaded store function is called—specifically, targetcoreitemdbrootstore. This function calls...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fsubset: Fixed an unbalanced reference count in gethfree. gethalloc increments the reference count, but gethfree fails to decrement it. This causes issues when configuring attributes via configfs after unlinking the...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: frndis: Protect RNDIS options with a mutex The class/subclass/protocol options are susceptible to race conditions, as they can be accessed concurrently through configfs. A mutex should be used to protect these option...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: nullblk: Always check the queue mode setting from configfs. Make sure to check the device queue mode in the nullvalidateconf function, and return an error for NULLQRQ since we do not allow legacy I/O paths. Without this patch, we...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: configfs: A race condition in configfs,unregistersubsystem has been fixed. When configfsregistersubsystem or configfsunregistersubsystem executes linkgroup or unlinkgroup, it is possible for two processes to add or delete element...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: configfs: A possible memory leak has been fixed in configfscreatedir. kmemleak: Memory leaks were reported in configfscreatedir. - Unreferenced object 0xffff888009f6af00 size 192: Command: “modprobe”, PID: 3777, Jiffies:...

Linux Distros Unpatched Vulnerability : CVE-2026-89732

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: ffs: Prevent deadlock during ep0 read loop Currently, ffsep0read holds ffs-mutex when it prepares to go to sleep waiting for an event. When no setu...

Linux Distros Unpatched Vulnerability : CVE-2026-89735

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - usb: gadget: midi2: remove default configfs groups on teardown fmidi2allocinst creates default configfs child groups for the default endpoint and default block...

Linux Distros Unpatched Vulnerability : CVE-2026-89491

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ocfs2: cluster: don't sleep while holding o2hblivelock in o2hbregionpin Patch series ocfs2: cluster: o2hbregionpin fixes, v2. This series fixes three related...

CVE-2026-89735

A flaw was found in the Linux kernel's USB gadget MIDI2 driver. The driver fails to properly remove default configuration file system configfs groups during teardown, leading to a resource leak. A local attacker could exploit this vulnerability to cause memory exhaustion, potentially resulting in...

DEBIAN-CVE-2026-89735

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: midi2: remove default configfs groups on teardown fmidi2allocinst creates default configfs child groups for the default endpoint and default block using configfsadddefaultgroup, setting their internal refcount to 1...