Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fixed NULL dereference in error cleanup. In watchqueuesetsize, the error cleanup code does not take into account the fact that freepage cannot handle a NULL pointer when trying to free buffer pages that have been...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix for filter limit check In watchqueuesetfilter, there are several places where we check that the filter type value does not exceed what the typefilter bitmap can hold. One place calculates the number of bits using...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch object. The freewatch function does everything except actually freeing the watch object. This issue is fixed by adding the missing kfree call. KMEMLEAK generates a report similar to the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d “watchqueue: Free the alloc bitmap when the watchqueue is torn down” addressed the issue with the bitmap, but not the page array. BUG: Memory leak...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

A race condition was detected in the Linux kernel’s watch queue due to a missing lock in the piperesizering function. The specific flaw lies in the handling of pipe buffers. The problem arises from the lack of proper locking when performing operations on an object. This flaw allows a local user t...

Astra Linux – Vulnerability in Linux 5.10

A out-of-bounds memory write flaw was discovered in the Linux kernel’s watchqueue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system...

The vulnerability of the free_watch() function in the kernel/watch_queue.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the freewatch function in the kernel/watchqueue.c module of the Linux operating system is related to improper memory release memory leak. Exploiting this vulnerability can allow an attacker to cause a service failure...

The vulnerability of the `watch_queue_set_size()` function in the kernel/watch_queue.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the watchqueuesetsize function in the kernel/watchqueue.c module of the Linux operating system is related to the pointer dereferencing. Exploiting this vulnerability could allow an attacker to cause a service failure...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992728)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992728 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: fix pipe accounting mismatch Currently, watchqueuesetsize modifies the pipe buffers...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992612)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992612 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: fix pipe accounting mismatch Currently, watchqueuesetsize modifies the pipe buffers...

USN-7887-2: Linux kernel (Raspberry Pi) 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7887-1 linux-raspi-realtime 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7887-1: Linux kernel (Raspberry Pi Real-time) 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7835-6 linux-aws-6.8 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

USN-7835-5: Linux kernel (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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989723)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989723 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: Free the page array when watchqueue is dismantled Commit 7ea1a0124b6d watchqueue: Fre...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989747)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989747 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: Actually free the watch freewatch does everything barring actually freeing the watch...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989276)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989276 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix NULL dereference in error cleanup In watchqueuesetsize, the error cleanup code...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989602)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989602 advisory. In the Linux kernel, the following vulnerability has been resolved: watchqueue: Fix filter limit check In watchqueuesetfilter, there are a couple of places where we...

USN-7835-4 linux-hwe-6.8 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...