Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net/sched: fixed the lockdep issue in qdisctreereducebacklog The qdisctreereducebacklog function is called with the qdisc lock held; this issue was not addressed in the previous version. We must use qdisclookuprcu instead of...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: btrfs: calling btrfsremovefreespacecachelocked on cache load failure Now that lockdep is kept enabled throughout our CI processes, I noticed the following stack trace in generic/475: ------------ Cut here --- WARNING: CPU: 1 PID:...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: kcm: fixed the order of calls to strpinit and cleanup. strpinit is called just a few lines above this csk-skuserdata check. It also initializes strp-work, etc. Therefore, there’s no need to call strpdone to cancel the newly...

Astra Linux – Vulnerability in Linux 5.10, Linux, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: nilfs2: Fixing the lifetime of the sysfs interface The current nilfs2 sysfs support has issues with the timing of the creation and deletion of sysfs entries. This may lead to null pointer dereferences, use-after-free errors, a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ipv6: fixed a lockdep issue in in6dumpaddrs According to reports from syzbot, we should not use rcudereference when rcureadlock is not held. WARNING: Suspicious RCU usage. 5.19.0-rc2-syzkaller 0 Not tainted...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: nvdimm: Fixed scenarios where firmware activation led to deadlocks. Lockdep reports the following deadlock scenarios for CXL root devices: - power-management, deviceprepare, operations, and deviceshutdown operations for...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: BPF: bpfskstorage: Fixed invalid wait context lockdep report "The ./testprogs -t testlocalstorage" command reported a splat error: 27.137569 ============================= 27.138122 BUG: Invalid wait context 27.138650...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, Linux, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Wifi: wilc1000 – Fixed RCU usage in the connect path. With lockdep enabled, calls to the connect function from the cfg802.11 layer lead to the following warning: ============================= WARNING: Suspicious RCU usage...

EUVD-2026-30018

In the Linux kernel, the following vulnerability has been resolved: schedext: Disable preemption between scxclaimexit and kicking helper work scxclaimexit atomically sets exitkind, which prevents scxerror from triggering further error handling. After claiming exit, the caller must kick the helper...

CVE-2026-43482

In the Linux kernel, the following vulnerability has been resolved: schedext: Disable preemption between scxclaimexit and kicking helper work scxclaimexit atomically sets exitkind, which prevents scxerror from triggering further error handling. After claiming exit, the caller must kick the helper...

CVE-2026-43482 sched_ext: Disable preemption between scx_claim_exit() and kicking helper work

In the Linux kernel, the following vulnerability has been resolved: schedext: Disable preemption between scxclaimexit and kicking helper work scxclaimexit atomically sets exitkind, which prevents scxerror from triggering further error handling. After claiming exit, the caller must kick the helper...

SUSE CVE-2026-43285

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

SUSE CVE-2026-43227

In the Linux kernel, the following vulnerability has been resolved: clocksource/drivers/shtmu: Always leave device running after probe The TMU device can be used as both a clocksource and a clockevent provider. The driver tries to be smart and power itself on and off, as well as enabling and...

EUVD-2026-28624

In the Linux kernel, the following vulnerability has been resolved: comedi: Reinit dev-spinlock between attachments to low-level drivers struct comedidevice is the main controlling structure for a COMEDI device created by the COMEDI subsystem. It contains a member spinlock containing a spin-lock...

UBUNTU-CVE-2026-43285

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

UBUNTU-CVE-2026-43340

In the Linux kernel, the following vulnerability has been resolved: comedi: Reinit dev-spinlock between attachments to low-level drivers struct comedidevice is the main controlling structure for a COMEDI device created by the COMEDI subsystem. It contains a member spinlock containing a spin-lock...

CVE-2026-43285

In the Linux kernel, the following vulnerability has been resolved: mm/slab: do not access current-memsallowedseq if !allowspin Lockdep complains when getfromanypartial is called in an NMI context, because current-memsallowedseq is seqcountspinlockt and not NMI-safe:...

CVE-2026-43340 comedi: Reinit dev->spinlock between attachments to low-level drivers

In the Linux kernel, the following vulnerability has been resolved: comedi: Reinit dev-spinlock between attachments to low-level drivers struct comedidevice is the main controlling structure for a COMEDI device created by the COMEDI subsystem. It contains a member spinlock containing a spin-lock...

CVE-2026-43340

Summary (CVE-2026-43340): The Linux kernel COMEDI subsystem contains a spinlock (dev->spinlock) in struct comedi_device that can be reinitialized when a COMEDI device is reattached to different low-level drivers via COMEDI_DEVCONFIG. This race can occur if multiple drivers with different lockd...

CVE-2026-43340 comedi: Reinit dev->spinlock between attachments to low-level drivers

In the Linux kernel, the following vulnerability has been resolved: comedi: Reinit dev-spinlock between attachments to low-level drivers struct comedidevice is the main controlling structure for a COMEDI device created by the COMEDI subsystem. It contains a member spinlock containing a spin-lock...