Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a stack buffer overflow in the Bluetooth HCI synchronization command, which could lead to memory corruption...

PT-2026-36407

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A stack buffer overflow exists in the hci le big create sync function. The function uses DEFINE FLEX to allocate a struct hci cp le big create sync on the stack with space for 17 BIS...

USN-8179-3 linux-hwe-6.8, linux-ibm-6.8, linux-raspi vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8179-3: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

EUVD-2026-24876

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: serialize btintelhwerror with hcireqsynclock btintelhwerror issues two hcicmdsync calls HCIOPRESET and Intel exception-info retrieval without holding hcireqsynclock. This lets it race against hcidevdoclose -...

CVE-2026-31500 Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: serialize btintelhwerror with hcireqsynclock btintelhwerror issues two hcicmdsync calls HCIOPRESET and Intel exception-info retrieval without holding hcireqsynclock. This lets it race against hcidevdoclose -...

PT-2026-34405

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the Bluetooth component where the btintel hw error function issues synchronous HCI commands without holding the hci req sync lock lock. This allows it to race...

Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-006949)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006949 advisory. In the Linux kernel, the following vulnerability has been resolved: usb: host: xhci: Fix potential memory leak in xhciallocstreaminfo xhciallocstreaminfo allocates...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-010800)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010800 advisory. In the Linux kernel, the following vulnerability has been resolved: Bluetooth: bcsp: receive data only if registered Currently, bcsprecv can be called even when the...

USN-8185-1: Linux kernel (NVIDIA) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8179-2 linux-aws-fips, linux-fips, linux-gcp-fips vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8184-1: Linux kernel (Real-time) vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

USN-8179-1: Linux kernel vulnerabilities

Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some AMD Zen processors did not properly verify the signature of CPU microcode. This flaw is known as EntrySign. A privileged attacker could possibly use this issue to cause load malicious CPU microcod...

CLSA-2026-1775657929 kernel: Fix of 9 CVEs

ovl: Filter invalid inodes with missing lookup function CVE-2024-56570 - ALSA: aloop: Fix racy access at PCM trigger CVE-2026-23191 - media: imon: reorganize serialization CVE-2025-39993 - usb: xhci: Fix inverted ringxrunevent check in handletxevent CVE-2025-37882 - Revert "VFS: Impose ordering...

PT-2026-36435

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists in the Bluetooth component. In the hci le remote conn param req evt function, the hci conn lookup and field access are not properly protected by the hde...

kernel: Linux kernel: xHCI driver isochronous event handling race condition leading to data loss or UAF

A flaw was found in the Linux kernel's xHCI eXtensible Host Controller Interface driver. This vulnerability allows data loss or buffer Use-After-Free UAF due to a race condition during isochronous Ring Underrun/Overrun event handling...

CLSA-2026-1773048865 kernel: Fix of 53 CVEs

xhci: Remove device endpoints from bandwidth list when freeing the device CVE-2022-50470 - HID: multitouch: Add NULL check in mtinputconfigured CVE-2024-58020 - netfilter: nftsetpipapo: clamp maximum map bucket size to INTMAX CVE-2025-38201 - fs: writeback: fix use-after-free in markinodedirty...

The vulnerability of the xhci_write_64() function in the drivers/usb/host/xhci.h module of the Linux device support driver for USB chipsets allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the xhciwrite64 function in the drivers/usb/host/xhci.h module of the Linux device support driver library is related to the copying of buffers without checking the size of the input data a classic buffer overflow attack. Exploiting this vulnerability could allow an attacker t...

kernel: Linux kernel: xHCI driver isochronous event handling race condition leading to data loss or UAF

A flaw was found in the Linux kernel's xHCI eXtensible Host Controller Interface driver. This vulnerability allows data loss or buffer Use-After-Free UAF due to a race condition during isochronous Ring Underrun/Overrun event handling...

kernel: Linux kernel: xHCI driver isochronous event handling race condition leading to data loss or UAF

A flaw was found in the Linux kernel's xHCI eXtensible Host Controller Interface driver. This vulnerability allows data loss or buffer Use-After-Free UAF due to a race condition during isochronous Ring Underrun/Overrun event handling...