Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003120)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003120 advisory. drivers/usb/serial/cypressm8.c in the Linux kernel before 4.5.1 allows physically proximate attackers to cause a denial of service NULL pointer dereference and syste...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001988)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001988 advisory. The recalculateapicmap function in arch/x86/kvm/lapic.c in the KVM subsystem in the Linux kernel through 3.12.5 allows guest OS users to cause a denial of service ho...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003477)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003477 advisory. KVM in the Linux kernel before 4.8.12, when I/O APIC is enabled, does not properly restrict the VCPU index, which allows guest OS users to gain host OS privileges or...

CVE-2025-71132

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

CVE-2025-71132

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

UBUNTU-CVE-2025-71140

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Use spinlock for context list protection lock Previously a mutex was added to protect the encoder and decoder context lists from unexpected changes originating from the SCP IP block, causing the context...

CVE-2025-71140

CVE-2025-71140 : In the Linux kernel, the media: mediatek: vcodec context lists were previously protected by a mutex, but the IPI handler for MT8173 runs in hard IRQ context, which could trigger a NULL pointer dereference due to unexpected changes in the context lists. The fix switches the protec...

CVE-2025-71140 media: mediatek: vcodec: Use spinlock for context list protection lock

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Use spinlock for context list protection lock Previously a mutex was added to protect the encoder and decoder context lists from unexpected changes originating from the SCP IP block, causing the context...

CVE-2025-71140 media: mediatek: vcodec: Use spinlock for context list protection lock

In the Linux kernel, the following vulnerability has been resolved: media: mediatek: vcodec: Use spinlock for context list protection lock Previously a mutex was added to protect the encoder and decoder context lists from unexpected changes originating from the SCP IP block, causing the context...

CVE-2025-71132

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

CVE-2025-71132 smc91x: fix broken irq-context in PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

CVE-2025-71132

CVE-2025-71132 affects the Linux kernel, specifically the smc91x driver when built with PREEMPT_RT. The issue manifests as a broken IRQ-context in PREEMPT_RT, leading to a leaked workqueue state (example given: kworker/2:1[106]) and stack traces showing WARN/BUG in the mld/workqueue path. Root ca...

CVE-2025-71132 smc91x: fix broken irq-context in PREEMPT_RT

In the Linux kernel, the following vulnerability has been resolved: smc91x: fix broken irq-context in PREEMPTRT When smc91x.c is built with PREEMPTRT, the following splat occurs in FVPRevC: 13.055000 smc91x LNRO0003:00 eth0: link up, 10Mbps, half-duplex, lpa 0x0000 13.062137 BUG: workqueue leaked...

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 the use of a mutex lock to protect a context list in a hard IRQ context, which could result in a scheduler...

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 improper handling of interrupt contexts, which could lead to work queues leaking atomic operations, locks, o...

CVE-2025-68798 perf/x86/amd: Check event before enable to avoid GPF

In the Linux kernel, the following vulnerability has been resolved: perf/x86/amd: Check event before enable to avoid GPF On AMD machines cpuc-eventsidx can become NULL in a subtle race condition with NMI-throttle-x86pmustop. Check event for NULL in amdpmuenableall before enable to avoid a GPF. Th...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: mailbox: zynqmp-ipi: Fixed SGI cleanup issues when unbinding is performed. The driver incorrectly determines whether an interrupt is an SGI or SPI interrupt by checking if the IRQ number is less than 16. This issue occurs with...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: schedext: Fixed unsafe locking in the scxdumpstate function. For kernels built with CONFIGPREEMPTRT=y, the dumplock will be converted to a sleepable spinlock instead of a disable-irq one. This can lead to the following scenarios:...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: xen/events: Return -EEXIST for bound VIRQs Change findvirq to return -EEXIST when a VIRQ is bound to a different CPU than the one passed in. Remove the BUGON function from bindvirqtoirq to propagate the error upwards. Some VIRQs...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: anx7625 – Fixed a NULL pointer dereferencing issue that could occur when an interrupt occurs before resource initialization is complete. If an interrupt occurs before resource initialization is completed, the interru...