UBUNTU-CVE-2026-64300

In the Linux kernel, the following vulnerability has been resolved: perf/aux: Fix page UAF in maprange maprange reads rb-auxpages, rb-auxnrpages and rb-auxpgoff via perfmmaptopage while holding only event-mmapmutex. Those fields are serialized by rb-auxmutex, and mmapmutex is per event. Thus, two...

CVE-2026-64300

CVE-2026-64300 (Linux kernel, perf/aux): Concrete details across connected docs show a page-use-after-free (UAF) in map_range() due to reading rb->aux_pages[], rb->aux_nr_pages, and rb->aux_pgoff under the wrong mutex, enabling a race between rb_alloc_aux() and map_range() when PERF_EVEN...

PT-2026-64521

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the map range function where it accesses rb-aux pages, rb-aux nr pages, and rb-aux pgoff via perf mmap to page while holding only the event-mmap mutex. Because these...

CVE-2026-53175 inet: frags: fix use-after-free caused by the fqdir_pre_exit() flush

In the Linux kernel, the following vulnerability has been resolved: inet: frags: fix use-after-free caused by the fqdirpreexit flush On netns teardown, fqdirpreexit walks the fqdir rhashtable and flushes every fragment queue that is not yet complete using inetfragqueueflush. That helper frees all...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: fs/proc: fixed a UAF in procreaddirde. The pde is erased from the subdir rbtree through rberase, but the node is not set to EMPTY, which may lead to UAF access. We should use RBCLEARNODE to set the erased node to EMPTY. Then,...

CVE-2026-7050

The Forms Rb plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.9. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access a...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: tmpfs: fixed a race condition in handling dquot rbtree. A syzkaller reproducer identified a race condition when attempting to remove dquot information from the rbtree. The process of fetching the root node of the rbtree must also...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: IB/hfi1: Fixed bugs related to non-PAGESIZE-end multi-iovec user SDMA requests. The processing of hfi1 user SDMA requests contains two bugs that can cause data corruption for user SDMA requests with multiple payload iovecs. In...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: clonesetfence only applies to the flushed set Syzbot, using fault injection, triggered a failing memory allocation with GFPKERNEL, resulting in a WARN message: iter.err WARNING: net/netfilter/nftablesapi.c:84...

Malicious Package

Overview knot-date-utils-rb is a malicious package. This package is part of a malicious cluster of Ruby gems published by the threat actor knot-theory. Designed to impersonate legitimate utilities, it executes a payload upon installation that harvests environment variables, SSH keys, AWS...

Malicious code in knot-date-utils-rb (RubyGems)

--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security a4e4f74e90479d472a307d311d48214827e21cf93ecf9b0b62ff2cb72adb2c9e This package is a malicious packages part of the Go BufferZoneCorp and RubyGems knot-theory clusters. The packages in this cluster steal...

CVE-2026-7050

The Forms Rb plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.9. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access a...

CVE-2026-7050

The Forms Rb WordPress plugin (versions ≤ 1.1.9) is vulnerable to an authorization bypass due to insufficient access checks, allowing authenticated users with contributor-level access and above to read form submissions, modify form configurations, and delete records for forms they do not own. Roo...

PT-2026-39968

The Forms Rb plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 1.1.9. This is due to the plugin not properly verifying that a user is authorized to perform an action. This makes it possible for authenticated attackers, with contributor-level access a...

CVE-2026-43272

CVE-2026-43272 concerns the Linux kernel ring-buffer component. The root cause is an uninitialized pointer in rb_meta_validate_events(), which can be dereferenced during a reader-page validation failure, potentially causing a system crash or instability. The issue is fixed by initializing orig_he...

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 / 20.1070e Security Update: kernel (UTSA-2026-011349)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011349 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set...

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 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007455)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007455 advisory. In the Linux kernel, the following vulnerability has been resolved: fs/proc: fix uaf in procreaddirde Pde is erased from subdir rbtree through rberase, but not set...

CVE-2019-25487

SAPIDO RB-1732 V2.0.43 contains a remote command execution vulnerability that allows unauthenticated attackers to execute arbitrary system commands by submitting malicious input to the formSysCmd endpoint. Attackers can send POST requests with the sysCmd parameter containing shell commands to...