Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: clk: zynqmp: Fixed a stack-out-of-bounds issue in strncpy. “BUG: KASAN: Stack-out-of-bounds in strncpy+0x30/0x68” The Linux-ATF interface uses 16 bytes of SMC payload. If the clock name is longer than 15 bytes, the string...

Exploit for CVE-2026-40369

CVE-2026-40369: Arbitrary Kernel Address Increment via NtQuery...

CVE-2026-43449

In the Linux kernel, the following vulnerability has been resolved: nvme-pci: Fix slab-out-of-bounds in nvmedbbufset dev-onlinequeues is a count incremented in nvmeinitqueue. Thus, valid indices are 0 through dev-onlinequeues − 1. This patch fixes the loop condition to ensure the index stays with...

CVE-2026-43197

CVE-2026-43197 concerns a Linux kernel netconsole vulnerability where messages from the console subsystem could be read out-of-bounds due to missing null-termination. The root cause is a netconsole write path that could access memory beyond the allocated buffer, observable as a slab-out-of-bounds...

CVE-2026-31686

A flaw was found in the Linux kernel. A double-free vulnerability exists in the Kernel Address Sanitizer KASAN component, specifically within the kasanfreepxd function. This issue arises because the function incorrectly assumes that page tables are always page-aligned, which is not consistent...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

CVE-2026-31513 Bluetooth: L2CAP: Fix stack-out-of-bounds read in l2cap_ecred_conn_req

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix stack-out-of-bounds read in l2capecredconnreq Syzbot reported a KASAN stack-out-of-bounds read in l2capbuildcmd that is triggered by a malformed Enhanced Credit Based Connection Request. The vulnerability...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013358)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013358 advisory. In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix loop termination condition in gssfreeintokenpages The intoken-pages array is not NULL...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013151)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013151 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Use VMMAP instead of VMALLOC for ringbuf After commit 2fd3fb0be1d1 kasan, vmalloc: unpoison...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010941)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010941 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: SCO: Fix UAF on scoconnfree BUG: KASAN: slab-use-after-free in scoconnfree...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013181)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013181 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Sync IRQ works before buffer destruction If something was written to the buffer just...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-006630)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006630 advisory. In the Linux kernel, the following vulnerability has been resolved: bus: fsl-mc-bus: fix KASAN use-after-free in fslmcbusremove In fslmcbusremove, mc-rootmcbusdev-mc...

SUSE CVE-2026-23412

In the Linux kernel, the following vulnerability has been resolved: netfilter: bpf: defer hook memory release until rcu readers are done Yiming Qian reports UaF when concurrent process is dumping hooks via nfnetlinkhooks: BUG: KASAN: slab-use-after-free in nfnlhookdumpone.isra.0+0xe71/0x10f0 Read...

CVE-2026-23407

In the Linux kernel, the following vulnerability has been resolved: apparmor: fix missing bounds check on DEFAULT table in verifydfa The verifydfa function only checks DEFAULTTABLE bounds when the state is not differentially encoded. When the verification loop traverses the differential encoding...

kernel: net/sched: cls_u32: use skb_header_pointer_careful()

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsu32: use skbheaderpointercareful skbheaderpointer does not fully validate negative @offset values. Use skbheaderpointercareful instead. GangMin Kim provided a report and a repro fooling u32classify: BUG: KASAN:...

CVE-2026-23327

In the Linux kernel, the following vulnerability has been resolved: cxl/mbox: validate payload size before accessing contents in cxlpayloadfromuserallowed cxlpayloadfromuserallowed casts and dereferences the input payload without first verifying its size. When a raw mailbox command is sent with a...

kernel: bpf: Don't use tnum_range on array range checking for poke descriptors

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN splat triggered by their BPF runtime fuzzer which is based on a customized syzkaller: BUG: KASAN: slab-out-of-bounds in...

SUSE CVE-2026-23273

In the Linux kernel, the following vulnerability has been resolved: macvlan: observe an RCU grace period in macvlancommonnewlink error path valis reported that a race condition still happens after my prior patch. macvlancommonnewlink might have made @dev visible before detecting an error, and its...

ROS-20260317-73-0035

A vulnerability in the kasanfindvmarea function mm/kasan/report.c of the kasan component of the Linux kernel is related to mutual blocking of execution threads. Exploitation of the vulnerability could allow an attacker acting remotely to cause a denial of service...