CVE-2026-31502

CVE-2026-31502 : The connected sources detail a Linux kernel vulnerability involving a type confusion in the team network device’s header_ops for non-Ethernet ports. The root cause is that team_setup_by_port() can copy port_dev->header_ops and later callbacks (dev_hard_header/dev_parse_header)...

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 a type confusion of the headerops type in the team driver, potentially leading to a type confusio...

USN-8180-2: 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; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

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-8180-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gke, linux-gkeop, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-oracle 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; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

CVE-2025-71091

In the Linux kernel, the following vulnerability has been resolved: team: fix check for port enabled in teamqueueoverrideportpriochanged There has been a syzkaller bug reported recently with the following trace: listdel corruption, ffff888058bea080-prev is LISTPOISON2 dead000000000122 -----------...

UBUNTU-CVE-2025-71091

In the Linux kernel, the following vulnerability has been resolved: team: fix check for port enabled in teamqueueoverrideportpriochanged There has been a syzkaller bug reported recently with the following trace: listdel corruption, ffff888058bea080-prev is LISTPOISON2 dead000000000122 -----------...

CVE-2025-71091 team: fix check for port enabled in team_queue_override_port_prio_changed()

In the Linux kernel, the following vulnerability has been resolved: team: fix check for port enabled in teamqueueoverrideportpriochanged There has been a syzkaller bug reported recently with the following trace: listdel corruption, ffff888058bea080-prev is LISTPOISON2 dead000000000122 -----------...

CVE-2025-71091

The CVE-2025-71091 issue is in the Linux kernel: when a port is disabled but queue priority changes are processed, team_queue_override_port_prio_changed() could run a del on an already-removed list node, triggering a kernel bug. The fix adds an early return when the port is not enabled to avoid t...

CVE-2025-71091 team: fix check for port enabled in team_queue_override_port_prio_changed()

In the Linux kernel, the following vulnerability has been resolved: team: fix check for port enabled in teamqueueoverrideportpriochanged There has been a syzkaller bug reported recently with the following trace: listdel corruption, ffff888058bea080-prev is LISTPOISON2 dead000000000122 -----------...

PT-2026-2612

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's team module related to port management. Specifically, a double-free condition can occur within the team queue override port prio changed function when...

kernel: team: better TEAM_OPTION_TYPE_STRING validation

In the Linux kernel, the following vulnerability has been resolved: team: better TEAMOPTIONTYPESTRING validation syzbot reported following splat 1 Make sure user-provided data contains one nul byte. 1 BUG: KMSAN: uninit-value in stringnocheck lib/vsprintf.c:633 inline BUG: KMSAN: uninit-value in...

USN-7865-1 linux-fips vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7865-1: Linux kernel (FIPS) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7853-3: Linux kernel (Azure) vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7853-3 linux-azure, linux-azure-4.15 vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7863-1 linux, linux-aws, linux-kvm, linux-lts-xenial vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

USN-7863-1: Linux kernel vulnerabilities

Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation between a guest and a userspace hypervisor for certain processors. This flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this t...

Ubuntu 16.04 LTS / 18.04 LTS : Linux kernel vulnerabilities (USN-7853-1)

"The remote Ubuntu 16.04 LTS / 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7853-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor...