Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the fact that the rbmetavalidateevents function in the ring buffer does not initialize the headpage...

Linux kernel 安全漏洞

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ring-buffer not checking the length of events, potentially leading to out-of-bound access...

CVE-2026-43272: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix possible dereference of uninitialized pointer There is a pointer headpage in rbmetavalidateevents which is not initialized at the beginning of a function. This pointer can be dereferenced if there is a failure...

CVE-2026-43210: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: tracing: ring-buffer: Fix to check event length before using Check the event length before adding it for accessing next index in rbreaddatabuffer. Since this function is used for validating possibly broken ring buffers, the lengt...

CVE-2026-43195: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: validate user queue size constraints Add validation to ensure user queue sizes meet hardware requirements: - Size must be a power of two for efficient ring buffer wrapping - Size must be at least AMDGPUGPUPAGESIZE to...

Linux Distros Unpatched Vulnerability : CVE-2026-43272

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ring-buffer: Fix possible dereference of uninitialized pointer There is a pointer headpage in rbmetavalidateevents which is not initialized at the beginning of ...

CVE-2026-31700

A flaw was found in the Linux kernel. A Time-of-check to Time-of-use TOCTOU race condition exists in the tpacketsnd function when PACKETVNETHDR is enabled. A local user can exploit this by modifying the vnethdr fields in the mmap'd TX ring buffer between validation and use, thereby bypassing safe...

EUVD-2026-26509

In the Linux kernel, the following vulnerability has been resolved: net/packet: fix TOCTOU race on mmap'd vnethdr in tpacketsnd In tpacketsnd, when PACKETVNETHDR is enabled, vnethdr points directly into the mmap'd TX ring buffer shared with userspace. The kernel validates the header via...

EUVD-2026-24803

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent immediate PASID reuse case PASID resue could cause interrupt issue when process immediately runs into hw state left by previous process exited with the same PASID, it's possible that page faults are still...

CVE-2026-31462 drm/amdgpu: prevent immediate PASID reuse case

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: prevent immediate PASID reuse case PASID resue could cause interrupt issue when process immediately runs into hw state left by previous process exited with the same PASID, it's possible that page faults are still...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013812)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013812 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Do not swap cpubuffer during resize process When ringbufferswapcpu was called during...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013712)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013712 advisory. In the Linux kernel, the following vulnerability has been resolved: uiohvgeneric: Let userspace take care of interrupt mask Remove the logic to set interrupt mask by...

Unity Linux 20.1050e / 20.1060e Security Update: kernel (UTSA-2026-013401)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013401 advisory. In the Linux kernel, the following vulnerability has been resolved: r8169: Fix possible ring buffer corruption on fragmented Tx packets. An issue was found on the...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013676)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013676 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Handle race between rbmovetail and rbcheckpages It seems a data race between...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011128)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011128 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Handle race between rbmovetail and rbcheckpages It seems a data race between...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013376)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013376 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Fix race issue between cpu buffer write and swap Warning happened in rbendcommit at cod...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013181)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013181 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Sync IRQ works before buffer destruction If something was written to the buffer just...

Unity Linux 20.1050e / 20.1070e Security Update: kernel (UTSA-2026-011296)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011296 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Sync pending IRQ work before freeing ring buffer Fix a race where irqwork can be queued in...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013368)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013368 advisory. In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Fix deadloop issue on reading tracepipe Soft lockup occurs when reading file...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013151)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013151 advisory. In the Linux kernel, the following vulnerability has been resolved: bpf: Use VMMAP instead of VMALLOC for ringbuf After commit 2fd3fb0be1d1 kasan, vmalloc: unpoison...