Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm: Check that output polling is initialized before disabling it. In drmkmshelperpolldisable, check that output polling is initialized before disabling polling. If not, flag this as a warning. Additionally, in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: schhtb: Made htbdeactivate idempotent. Alan reported a NULL pointer dereference in htbnextrbnode after we made htbqlennotify idempotent. It turns out that in the following case, some regressions were introduced: htbdequeuetree...

CVE-2026-68294

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: restrict socket creation to the initial network namespace QRTR keeps its entire port and node state in module-global variables that are not partitioned per network namespace: qrtrlocalnid is a single global node id...

CVE-2026-68134

In the Linux kernel, the following vulnerability has been resolved: ptp: ptps390: Add missing facility check Only register the physical clock when facility 28 is installed and PTFF QAF returns that PTFF QPT is available...

CVE-2026-68303 drm/vc4: hvs/v3d: Fix null dereference in unbind

In the Linux kernel, the following vulnerability has been resolved: drm/vc4: hvs/v3d: Fix null dereference in unbind The hvs and v3d drivers use devgetdrvdatamaster in their unbind functions. Since the vc4-drm gets removed before its dependent drivers vc4hvs/vc4v3d the vc4hvsunbind/vc4v3dunbind...

CVE-2026-68109

CVE-2026-68109 : In the Linux kernel’s drm/amdgpu/sdma7.1 path, the vulnerability was resolved by replacing a failing assertion: replace BUG_ON() with WARN_ON() so the kernel no longer crashes in these cases. The commit cherry-picks the fix (c4f230b51cf2d3e7e8b1c800331f3dbed2a9e3f5). Affected com...

New Zapscape KVM Flaw Could Let Privileged L1 Guest Code Escape to Linux Hosts

Zapscape , a new Linux kernel vulnerability, could allow an attacker with kernel privileges inside an L1 guest virtual machine VM to escape KVM isolation and execute code on the host. The risk applies when nested virtualization is exposed to untrusted guests. The flaw is tracked as CVE-2026-64561...

EUVD-2026-53779

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: Unconditionally sfence.vma for spurious fault Svvptc does not guarantee that it's safe to just return here. Since we have already cleared our bit, if, theoretically, the bounded timeframe for the accessed page to becom...

CVE-2026-64591

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid WARNING in sva unbind path The Intel IOMMU driver allows SVA on devices even if they do not support PCI/PRI. Commit 39c20c4e83b9 "iommu/vt-d: Only handle IOPF for SVA when PRI is supported" modified the SVA bind...

rsi_mac80211_attach Heap Buffer Overflow DoS

The vulnerability of the rsimac80211attach function in the drivers/net/wireless/rsi/rsi91xmac80211.c driver for wireless communication adapters in the Linux kernel is related to the occurrence of operations outside the buffer in memory. Exploiting this vulnerability could allow an attacker to...

Linux kernel ufx_ops_ioctl Heap Buffer Overflow DoS

The vulnerability of the ufxopsioctl function in the Linux kernel’s drivers/video/fbdev/smscufx.c module is related to the assignment of an untrusted pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of the protected...

Direct Rendering Infrastructure Heap Buffer Overflow DoS

The vulnerability of the drmpropertycreateblob function in the drivers/gpu/drm/drmproperty.c file of the Direct Rendering Infrastructure DRI driver in the Linux kernel is related to the loss or omission of information. Exploiting this vulnerability can allow an attacker to cause a service failure...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerabilities have been resolved: xfs: The data fork mapping is resampled after cycling ILOCK. xfsreflinkfillcowhole,delalloc involves an inode, a data fork mapping, and a cow fork mapping. Unfortunately, these two helpers cycle ILOCK to obtain a transaction,...

Texas Instruments Ethernet Network Adapter Driver Heap Buffer Overflow DoS

The vulnerability of the cpswndosetrxmodework function in the drivers/net/ethernet/ti/cpswnew.c module of the Ethernet network adapter driver for Texas Instruments’ Linux operating system is related to synchronization errors when using shared resources. Exploiting this vulnerability can allow an...

CVE-2026-64557

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix use-after-free in l2capsocknewconnectioncb l2capsocknewconnectioncb returned l2cappisk-chan after releasesockparent. Once the parent lock is dropped the newly enqueued child socket sk is reachable via the...

Linux kernel Bluetooth hci_sockbind Privilege Escalation

The vulnerability of the hcisockbind function in the net/bluetooth/hcisock.c module of the Linux kernel’s Bluetooth subsystem is related to the reallocation of previously freed memory. Exploiting this vulnerability can allow an attacker to gain increased privileges or cause service failures...

UBUNTU-CVE-2026-64450

In the Linux kernel, the following vulnerability has been resolved: tipc: fix out-of-bounds read in broadcast Gap ACK blocks A broadcast PROTOCOL/STATEMSG can carry a Gap ACK blocks record in its data area. tipcgetgapackblks only verifies that the record's len field is self-consistent with its...

UBUNTU-CVE-2026-64422

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: bound TCP reordering sysctl writes and MTU probe sizes Reject invalid net.ipv4.tcpreordering values before they reach TCP socket state. The sysctl is stored as an int but copied into the u32 tp-reordering field for new...

CVE-2026-64526 ethtool: tsconfig: fix missing ethnl_ops_complete()

In the Linux kernel, the following vulnerability has been resolved: ethtool: tsconfig: fix missing ethnlopscomplete tsconfigpreparedata calls ethnlopsbegin, we need to call ethnlopscomplete before returning the error...

CVE-2026-64318 partitions: aix: bound the pp_count scan to the ppe array

In the Linux kernel, the following vulnerability has been resolved: partitions: aix: bound the ppcount scan to the ppe array aixpartition reads the physical volume descriptor into a fixed-size struct pvd and then scans its physical-partition-extent array: int numpps = be16tocpupvd-ppcount; ... fo...