EUVD-2026-15340

In the Linux kernel, the following vulnerability has been resolved: PCI: dwc: ep: Flush MSI-X write before unmapping its ATU entry Endpoint drivers use dwpcieepraisemsixirq to raise an MSI-X interrupt to the host using a writel, which generates a PCI posted write transaction. There's no completio...

UBUNTU-CVE-2026-23271

In the Linux kernel, the following vulnerability has been resolved: perf: Fix perfeventoverflow vs perfremovefromcontext race Make sure that perfeventoverflow runs with IRQs disabled for all possible callchains. Specifically the software events can end up running it with only preemption disabled...

CVE-2026-23271

CVE-2026-23271 affects the Linux kernel perf subsystem. The vulnerability arises from a race between __perf_event_overflow() and perf_remove_from_context() where __perf_event_overflow() may run with only preemption disabled for some callchains, allowing a race against perf_event_exit_event() and ...

CVE-2026-23271

In the Linux kernel, the following vulnerability has been resolved: perf: Fix perfeventoverflow vs perfremovefromcontext race Make sure that perfeventoverflow runs with IRQs disabled for all possible callchains. Specifically the software events can end up running it with only preemption disabled...

CVE-2026-23271 perf: Fix __perf_event_overflow() vs perf_remove_from_context() race

In the Linux kernel, the following vulnerability has been resolved: perf: Fix perfeventoverflow vs perfremovefromcontext race Make sure that perfeventoverflow runs with IRQs disabled for all possible callchains. Specifically the software events can end up running it with only preemption disabled...

CVE-2026-20118 Cisco IOS-XR NCS 5500 and NCS 5700 Egress Packet Network Interfaces Aligner Interrupt Denial of Service Vulnerability

A vulnerability in the handling of an Egress Packet Network Interface EPNI Aligner interrupt in Cisco IOS XR Software for Cisco Network Convergence System NCS 5500 Series with NC57 line cards and Cisco NCS 5700 Routers and Cisco IOS XR Software for Third Party Software could allow an...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005578)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005578 advisory. In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: use two-phase skb reclamation in ieee80211dostop Since 'devqueuexmit' should be...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-005548)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005548 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: prevent nfskbduplicated corruption syzbot found that nfdupipv4 or nfdupipv6...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005805)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005805 advisory. In the Linux kernel, the following vulnerability has been resolved: media: platform: exynos4-is: Add hardware sync wait to fimcishwchangemode In fimcishwchangemode,...

Guest Initiated Machine Check Errors

Summary AMD received a report from the security team at Amazon Web Services AWS indicating that it may be possible for guest VMs to cause a crash of a host system. By flooding the host system with a large number of malformed System Management Interrupts SMIs, it may be possible for a guest VM to...

SUSE CVE-2026-23132

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: synopsys: dw-dp: fix error paths of dwdpbind Fix several issues in dwdpbind error handling: 1. Missing return after drmbridgeattach failure - the function continued execution instead of returning an error. 2. Resource...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper cleanup when platform interrupt requests fail, potentially leading to memory leaks...

OESA-2026-1304 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ptrring: do not block hard interrupts in ptrringresizemultiple Jakub added a lockdepassertnohardirq check in pagepoolputpage to increase test coverage. syzbot...

CVE-2026-23100

The CVE-2026-23100 entry concerns the Linux kernel mm/hugetlb code and a fix for hugetlb_pmd_shared(). The vulnerability stemmed from how shared PMD tables were detected; the patch set switches to using an independent shared count and the ptdesc_pmd_is_shared() check, so that shared PMD tables ar...

CVE-2026-20977

CVE-2026-20977 concerns an improper access control in Samsung’s Emergency Sharing prior to the SMR Feb-2026 Release 1. Multiple sources (NVD, Red Hat, NCSC, CVE listings, Attackerkb, CVE list) consistently describe that local attackers can interrupt the service’s functioning due to weak access ma...

CVE-2025-71180

In the Linux kernel, the following vulnerability has been resolved: counter: interrupt-cnt: Drop IRQFNOTHREAD flag An IRQ handler can either be IRQFNOTHREAD or acquire spinlockt, as CONFIGPROVERAWLOCKNESTING warns: ============================= BUG: Invalid wait context 6.18.0-rc1+git... 1...

CVE-2025-71156

In the Linux kernel, the following vulnerability has been resolved: gve: defer interrupt enabling until NAPI registration Currently, interrupts are automatically enabled immediately upon request. This allows interrupt to fire before the associated NAPI context is fully initialized and cause...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the activation of interrupts before the NAPI context is initialized, potentially leading to kerne...

Azure Linux 3.0 Security Update: kernel (CVE-2024-41096)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-41096 advisory. - In the Linux kernel, the following vulnerability has been resolved: PCI/MSI: Fix UAF in msicapabilityinit...

Azure Linux 3.0 Security Update: kernel (CVE-2024-56760)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-56760 advisory. - In the Linux kernel, the following vulnerability has been resolved: PCI/MSI: Handle lack of irqdomain...