CVE-2026-53281

The CVE-2026-53281 entries describe a Linux kernel IOMMU VT-d issue where NULL pointer dereference or refcount corruption could occur during teardown if dev_pasid was not found in the dev_pasids list or if domain was never attached. The root cause was improper teardown execution after potential N...

UBUNTU-CVE-2026-53161

In the Linux kernel, the following vulnerability has been resolved: misc: fastrpc: fix use-after-free of fastrpcuser in workqueue context There is a race between fastrpcdevicerelease and the workqueue that processes DSP responses. When the user closes the file descriptor, fastrpcdevicerelease fre...

EUVD-2026-38815

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the socket reference count is decremented via sockput before the port is removed from the qrtrports XArray and before the RCU grace period...

EUVD-2026-38977

In the Linux kernel, the following vulnerability has been resolved: powerpc/pgtable-frag: Fix bad page state in ptefragdestroy powerpc uses ptfragrefcount as a reference counter for tracking it's pte and pmd page table fragments. For PTE table, in case of Hash with 64K pagesize, we have 16...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: tee, amdtee: fixed the use-after-free vulnerability in amdteeclosesession. There is a potential race condition in amdteeclosesession that may cause a use-after-free in amdteeopenSession. For example, if a session has a referen...

Astra Linux – Vulnerability in Linux

In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Place the child node before the return statement. Placing the child node before the return statement helps to prevent potential reference count leaks. Generally, the reference count of a child node is automatically...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: fixed the issue of double module refcount decrementation. Once the discipline is associated with the device, deleting the device will cause the module’s refcount to be decreased. Performing this operation manually alon...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: renesas: Fixed the refcount leak bug In usbhsrza1hardwareinit, the offindnodebyname function will return a node pointer with the refcount incremented. We should use ofnodeput when the node pointer is no longer needed...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: usb: ohci-nxp: Fixed the refcount leak in ohcihcdnxpprobe. ofparsephandle returns a node pointer with a refcount incremented; we should use ofnodeput on it when it is no longer needed. Add ofnodeput to avoid the refcount leak...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ipmi:ipmb: Fixed the refcount leak in ipmiipmbprobe. ofparsephandle returns a node pointer with a refcount incremented; we should use ofnodeput on it after processing. Added ofnodeput to prevent the refcount leak from occurrin...

Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel/uncore: A reference count leak was fixed in snruncoremmiomap. pcigetdevice will increase the reference count of the returned pcidev. Therefore, snruncoregetmcdev will return a pcidev with its reference count...

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

In the Linux kernel, the following vulnerability has been resolved: mfd: arizona: Use pmruntimeresumeandget to prevent refcnt leak In arizonaclk32kenable, we should use pmruntimeresumeandget. pmruntimegetsync will increase the refcnt even when it returns an error...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: 9p: Fixed the fid refcount leak in v9fsvfsgetlink. We now check for protocol versions that are later than required, after a fid has been obtained. Simply move the version check to an earlier stage...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: keys: Fixed UAF in keyput Once a key’s reference count is reduced to 0, the garbage collector thread may destroy it at any time. Therefore, keyput is no longer allowed to access the key after that point. The only action that keyp...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netrom: Decreases the sock refcount when the sock timer expires. The commit 63346650c1a9 “netrom: switch to the sock timer API” switched to using the sock timer API. This replaced modtimer with skresettimer, and deltimer with...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the race condition issue caused by session lookup and expiration. The session reference count was incremented within the lock during the lookup operation, thereby avoiding the race condition related to session...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: bpf: prevents the LSM program from leaking after a failed attach. In 0, we added the ability to use bpfprogattach for LSM programs within cgroups. However, during our validation to ensure that the program is indeed attached to...

Astra Linux – Vulnerabilities in Linux, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: ax25: Fixed the reference count leak issue in ax25dev. The functions ax25addrax25dev and ax25devdevicedown have a reference count leak issue related to the object “ax25dev”. Memory leak issue in ax25addrax25dev: The reference...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fixed a reference count leak in dmardevscopeinit. The function foreachpcidev is implemented by pcigetdevice. The comment accompanying pcigetdevice states that it will increase the reference count of the returned pcide...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: netfilter: A use-after-free issue in getinfo has been fixed. When the ip6tablenat module is unloaded, a refcnt warning occurs due to a UAF. The call trace is as follows: WARNING: CPU: 1 PID: 379 at kernel/module/main.c:853...