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

In the Linux kernel, the following vulnerability has been resolved: netsched: hfsc: Address reentrant enqueue adding class to eltree twice Savino says: “We are writing to report that this recent patch 141d34391abbb315d68556b7c67ad97885407547 1 can be bypassed, and a UAF can still occur when HFSC ...

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...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: drm/shmem-helper: Removed the erroneous “put” operation in the error path. The drmgemshmemmmap function does not handle this reference properly, resulting in the GEM object being freed prematurely, leading to a “use-after-free...

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

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,...

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: crypto: authencesn – Rejects AADs that are too short assoclen 8 to match the ESP/ESN specification. authencesn assumes that the AAD is in the ESP/ESN format. When the length of assoclen is shorter than the minimum expected length...

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

In the Linux kernel, the following vulnerability has been resolved: comedi: Fixed the use of uninitialized data in insnrwemulatebits. For Comedi INSNREAD and INSNWRITE instructions on “digital” subdevices subdevice types COMEDISUBDDI, COMEDISUBDDO, and COMEDISUBDDIO, it is common for the subdevic...

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

In the Linux kernel, the following vulnerability has been resolved: net: fixed the race condition in dstnegativeadvice The dstnegativeadvice function does not enforce proper RCU rules when sk-dstcache must be cleared, leading to a potential Use-After-Free error UAF. RCU rules state that we must...

Astra Linux – Vulnerability in Linux, Linux 5.10

The function emsusbstartxmit in the file drivers/net/can/usb/emsusb.c within the Linux kernel, up to version 5.17.1, contains a double-free...

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...

The vulnerability of the drm_property_create_blob() function in the drivers/gpu/drm/drm_property.c file of the Direct Rendering Infrastructure (DRI) driver for the Linux operating system allows a hacker to trigger a service failure.

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...

The vulnerability of the rsi_mac80211_attach() function in the drivers/net/wireless/rsi/rsi_91x_mac80211.c driver for wireless communication adapters in the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of protected information.

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...

The vulnerability of the ufx_ops_ioctl() function in the drivers/video/fbdev/smscufx.c module of the Linux kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

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...

The vulnerability of the cpsw_ndo_set_rx_mode_work() function in the drivers/net/ethernet/ti/cpsw_new.c module of the Ethernet network adapter driver for Texas Instruments’ Linux kernel allows a hacker to cause a service failure.

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...