EUVD-2026-59490

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix xattr race condition with multiple superblocks Multiple superblocks with different namespaces can share the same kernfsnode when kernfstestsuper finds a matching root but different namespace. This means multiple inode...

CVE-2026-74343

CVE-2026-74343 describes a Linux kernel kernfs xattr race: multiple inodes across different superblocks can share kernfs_node->iattr->xattrs, and VFS per-inode locks are not enough to serialize concurrent xattr modifications. The fix introduces per-node hashing mutexes (renaming open_file_m...

CVE-2026-74342

The CVE-2026-74342 entries describe a Linux kernel issue in kernfs where the LSM security hook runs before kn->__parent and kn->dir.root are initialized, causing a NULL-pointer dereference in kernfs_root(kn) (triggered during the first cgroup mkdir under /sys/fs/cgroup on SELinux-enabled sy...

CVE-2026-74342 kernfs: link kn to its parent before the LSM init hook

In the Linux kernel, the following vulnerability has been resolved: kernfs: link kn to its parent before the LSM init hook After commit 12e9e3cd03b5 "simpexattr: use per-sb cache", kernfsxattrset and kernfsxattrget compute the cache via kernfsrootkn before any other check. kernfsrootkn walks...

EUVD-2026-59489

In the Linux kernel, the following vulnerability has been resolved: kernfs: link kn to its parent before the LSM init hook After commit 12e9e3cd03b5 "simpexattr: use per-sb cache", kernfsxattrset and kernfsxattrget compute the cache via kernfsrootkn before any other check. kernfsrootkn walks...

CVE-2026-72080

CVE-2026-72080 affects the Linux kernel resctrl filesystem (fs/resctrl). The issue is a use-after-free during unmount/failure teardown: mon_data structures for the default resource group can be freed while a concurrent reader still holds references, due to RDT_DELETED not being set for the static...

CVE-2026-68456

CVE-2026-68456 affects the Linux kernel USB device ueagle-atm (atm/UEAGLE) where ueagle-atm uses request_firmware_nowait() in .probe() but does not wait for completion in .disconnect(), allowing a race when the device is unplugged during teardown. The advisory states this can interact with the fi...

EUVD-2026-59078

In the Linux kernel, the following vulnerability has been resolved: usb: atm: ueagle-atm: wait for pre-firmware load in .disconnect ueagle-atm uses the asynchronous requestfirmwarenowait in .probe, but does not wait for its completion, not even in .disconnect; so, if the device is unplugged...

PT-2026-72778

In the Linux kernel, the following vulnerability has been resolved: kernfs: link kn to its parent before the LSM init hook After commit 12e9e3cd03b5 "simpe xattr: use per-sb cache", kernfs xattr set and kernfs xattr get compute the cache via kernfs rootkn before any other check. kernfs rootkn wal...

PT-2026-72168

In the Linux kernel, the following vulnerability has been resolved: usb: atm: ueagle-atm: wait for pre-firmware load in .disconnect ueagle-atm uses the asynchronous request firmware nowait in .probe, but does not wait for its completion, not even in .disconnect; so, if the device is unplugged...

Linux Distros Unpatched Vulnerability : CVE-2026-74342

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - kernfs: link kn to its parent before the LSM init hook After commit 12e9e3cd03b5 simpexattr: use per-sb cache, kernfsxattrset and kernfsxattrget compute the cac...

PT-2026-72779

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix xattr race condition with multiple superblocks Multiple superblocks with different namespaces can share the same kernfs node when kernfs test super finds a matching root but different namespace. This means multiple...

SUSE CVE-2026-63949

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: line-display: fix OOB read on zero-length messagestore linedispdisplay unconditionally reads msgcount - 1 before checking whether count is zero, so a write of zero bytes to the message sysfs attribute hits msg-1:...

CVE-2026-64185

In the Linux kernel, the following vulnerability has been resolved: sysfs: don't remove existing directory on update failure When sysfsupdategroup is called for a named group and createfiles fails e.g. -ENOMEM, internalcreategroup calls kernfsremovekn on the group directory. In the update path, k...

EUVD-2026-45722

In the Linux kernel, the following vulnerability has been resolved: auxdisplay: line-display: fix OOB read on zero-length messagestore linedispdisplay unconditionally reads msgcount - 1 before checking whether count is zero, so a write of zero bytes to the message sysfs attribute hits msg-1:...

CVE-2026-52991

A flaw was found in the Linux kernel's Pressure Stall Information PSI subsystem. A race condition exists between the file release and pressure write operations, specifically concerning the priv member of struct kernfsopenfile. This can lead to a use-after-free vulnerability or a NULL dereference,...

EUVD-2026-38993

In the Linux kernel, the following vulnerability has been resolved: md: fix arraystate=clear sysfs deadlock When "clear" is written to arraystate, mdattrstore breaks sysfs active protection so the array can delete itself from its own sysfs store method. However, mdattrstore currently drops the...

CVE-2026-52991 sched/psi: fix race between file release and pressure write

In the Linux kernel, the following vulnerability has been resolved: sched/psi: fix race between file release and pressure write A potential race condition exists between pressure write and cgroup file release regarding the priv member of struct kernfsopenfile, which triggers the uaf reported in 1...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: kernfs: a potential NULL dereference occurred in kernfsremove. When lockdep is enabled, lockdepassertheldwrite could cause a potential NULL pointer dereference. The following smatch warnings have also been fixed:...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-013199)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013199 advisory. In the Linux kernel, the following vulnerability has been resolved: kernfs: fix use-after-free in kernfsremove Syzkaller managed to trigger concurrent calls to...