CVE-2026-10663 Use-after-free / double-free of the root USB device in the experimental USB host stack

In Zephyr's experimental USB host stack CONFIGUSBHOSTSTACK, usbhdevicedisconnect subsys/usb/host/usbhdevice.c freed the root usbdevice slab object without clearing the cached pointer ctx-root. The bus removal handler devremovedhandler subsys/usb/host/usbhcore.c decides what to tear down solely fr...

SUSE-SU-2026:2857-1 Security update for the Linux Kernel RT (Live Patch 8 for SUSE Linux Enterprise 15 SP7)

This update for the SUSE Linux Enterprise Kernel 6.4.0-150700.7.28 fixes various security issues The following security issues were fixed: - CVE-2025-71089: iommu: disable SVA when CONFIGX86 is set bsc1256615. - CVE-2026-23393: bridge: cfm: Fix race condition in peermep deletion bsc1260524. -...

USN-8530-1 linux-aws, linux-aws-fips vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8529-1 linux, linux-azure-4.15, linux-azure-fips, linux-fips, linux-gcp-4.15, linux-gcp-fips, linux-kvm, linux-oracle vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8529-1: Linux kernel vulnerabilities

It was discovered that a logic flaw existed in the XFRM ESP-in-TCP subsystem in the Linux kernel when handling socket buffer fragments. This flaw is known as Fragnesia. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-43503 Several security issues...

USN-8528-1 linux-xilinx-zynqmp vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 It was discovered that the Linux kernel did n...

USN-8527-1 linux-raspi vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - RISC-V architecture; - Cryptographic API; - InfiniBand drivers; - IOMMU subsystem; - Network drivers; -...

USN-8492-5 linux-azure-fips, linux-fips vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

USN-8492-5: Linux kernel (FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - x86 architecture; - Block layer subsystem; -...

The vulnerability of the tcf_idrinfodestroy() function in the net/sched/act_api.c module of the net/sched subsystem of the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the tcfidrinfodestroy function in the net/sched/actapi.c module of the net/sched subsystem of the Linux operating system is related to the pointer manipulation. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibili...

The vulnerability of the kvm_set_memory_region() function in the virt/kvm/kvm_main.c module of the KVM virtualization subsystem in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the kvmsetmemoryregion function in the virt/kvm/kvmmain.c module of the Kernel-based Virtual Machine KVM virtualization subsystem of the Linux operating system is related to the reutilization of previously released memory. Exploiting this vulnerability could allow an attacker...

TencentOS Server 4: libssh2 (TSSA-2026:0572)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0572 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

kernel: wifi: mac80211: drop stray 'static' from fast-RX rx_result

A flaw was found in the Linux kernel's Wi-Fi mac80211 subsystem. The ieee80211invokefastrx function uses a static variable for rxresult, which is shared across concurrent calls. This can lead to incorrect processing of Wi-Fi packets, where a packet might be mishandled or its status incorrectly...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-10263: arm64: cputype: Add C1-Ultra definitions bsc1266290. CVE-2025-40216: iouring/rsrc: don't rely on user vaddr alignment bsc1259764. CVE-2025-40341: futex:...

The vulnerabilities of the functions rcutorture_booster_init() and rcu_torture_init() in the kernel/rcu/rcutorture.c module, a synchronization subsystem in multi-threaded Linux kernel systems, allow a malicious actor to cause service failure.

The vulnerabilities of the functions rcutortureboosterinit and rcutortureinit in the kernel/rcu/rcutorture.c module, a synchronization subsystem in Linux’s multi-threaded kernel, are related to improper initialization. Exploiting these vulnerabilities can allow an attacker to cause service failur...

BeyondTrust Patches Critical Auth Bypass Flaws in Remote Support and PRA

BeyondTrust has released updates to address two critical security flaws affecting Remote Support RS and Privileged Remote Access PRA products that, if successfully exploited, could allow unauthenticated attackers to take control of susceptible devices. The vulnerabilities are listed below -...

kernel: xfrm: defensively unhash xfrm_state lists in __xfrm_state_delete

A flaw was found in the Linux kernel's xfrm IPSec framework subsystem. This vulnerability, a use-after-free, occurs when the system incorrectly manages memory related to security policies, specifically during the deletion of xfrmstate lists. An attacker with local access could exploit this flaw b...

CVE-2026-40140

BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting...

CVE-2026-40140 High-Severity Pre-Authentication Vulnerability in BeyondTrust Remote Support and Privileged Remote Access

BeyondTrust Remote Support and Privileged Remote Access contain a high-severity pre-authentication vulnerability in the network communication subsystem. Insufficient validation of client-supplied input may allow an unauthenticated remote attacker to trigger a denial-of-service condition affecting...

CVE-2026-40139

A critical pre-authentication vulnerability exists in the authentication subsystem of BeyondTrust Remote Support. Improper processing of authentication requests may allow an unauthenticated remote attacker to bypass access controls and gain unauthorized access to the appliance, including accounts...