Astra Linux – Vulnerability found in Linux 5.15, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: VMCI: Check context-notifypage after calling getuserpagesfast to avoid GPF. The call to getuserpagesfast in vmcihostunlockedioctl may return NULL for context-notifypage, causing a GPF. To avoid this, check that context-notifypage...

Astra Linux – Vulnerability in Linux 5.10

A flaw was discovered in the subsequent getuserpagesfast function within the Linux kernel’s interface for symmetric key cipher algorithms, specifically in the skcipherrecvmsg function of the crypto/algifskcipher.c file. This flaw allows a local user to crash the system...

The vulnerability of the `get_user_pages_fast` function in Linux kernel allows a hacker to trigger a service failure.

The vulnerability of the getuserpagesfast function in Linux operating systems relates to reading memory beyond the allocated buffer. Exploiting this vulnerability can allow an attacker to cause a service failure...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-004280)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004280 advisory. A flaw was found in the subsequent getuserpagesfast in the Linux kernels interface for symmetric key cipher algorithms in the skcipherrecvmsg of crypto/algifskcipher...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001667)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001667 advisory. A flaw was found in the subsequent getuserpagesfast in the Linux kernels interface for symmetric key cipher algorithms in the skcipherrecvmsg of crypto/algifskcipher...

SUSE CVE-2023-53633

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix a leak in mapuserpages If getuserpagesfast allocates some pages but not as many as we wanted, then the current code leaks those pages. Call putpage on the pages before returning...

UBUNTU-CVE-2023-53633

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix a leak in mapuserpages If getuserpagesfast allocates some pages but not as many as we wanted, then the current code leaks those pages. Call putpage on the pages before returning...

CVE-2023-53633 accel/qaic: Fix a leak in map_user_pages()

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix a leak in mapuserpages If getuserpagesfast allocates some pages but not as many as we wanted, then the current code leaks those pages. Call putpage on the pages before returning...

CVE-2023-53633: Missing Release of Memory after Effective Lifetime

In the Linux kernel, the following vulnerability has been resolved: accel/qaic: Fix a leak in mapuserpages If getuserpagesfast allocates some pages but not as many as we wanted, then the current code leaks those pages. Call putpage on the pages before returning...

SUSE CVE-2023-53259

In the Linux kernel, the following vulnerability has been resolved: VMCI: check context-notifypage after call to getuserpagesfast to avoid GPF The call to getuserpagesfast in vmcihostsetupnotify can return NULL context-notifypage causing a GPF. To avoid GPF check if context-notifypage == NULL and...

DEBIAN-CVE-2023-53259

In the Linux kernel, the following vulnerability has been resolved: VMCI: check context-notifypage after call to getuserpagesfast to avoid GPF The call to getuserpagesfast in vmcihostsetupnotify can return NULL context-notifypage causing a GPF. To avoid GPF check if context-notifypage == NULL and...

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 an unchecked getuserpagesfast return value, which could result in a null pointer dereference...

CVE-2023-53259: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: VMCI: check context-notifypage after call to getuserpagesfast to avoid GPF The call to getuserpagesfast in vmcihostsetupnotify can return NULL context-notifypage causing a GPF. To avoid GPF check if context-notifypage == NULL and...

mm/hugetlb: fix huge_pmd_unshare() vs GUP-fast race

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CVE-2025-38434

In the Linux kernel, the following vulnerability has been resolved: Revert "riscv: Define TASKSIZEMAX for accessok" This reverts commit ad5643cf2f69 "riscv: Define TASKSIZEMAX for accessok". This commit changes TASKSIZEMAX to be LONGMAX to optimize accessok, because the previous TASKSIZEMAX defau...

UBUNTU-CVE-2025-38434

In the Linux kernel, the following vulnerability has been resolved: Revert "riscv: Define TASKSIZEMAX for accessok" This reverts commit ad5643cf2f69 "riscv: Define TASKSIZEMAX for accessok". This commit changes TASKSIZEMAX to be LONGMAX to optimize accessok, because the previous TASKSIZEMAX defau...

CVE-2025-38434 Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"

In the Linux kernel, the following vulnerability has been resolved: Revert "riscv: Define TASKSIZEMAX for accessok" This reverts commit ad5643cf2f69 "riscv: Define TASKSIZEMAX for accessok". This commit changes TASKSIZEMAX to be LONGMAX to optimize accessok, because the previous TASKSIZEMAX defau...

CVE-2025-38434

In the Linux kernel, the following vulnerability has been resolved: Revert "riscv: Define TASKSIZEMAX for accessok" This reverts commit ad5643cf2f69 "riscv: Define TASKSIZEMAX for accessok". This commit changes TASKSIZEMAX to be LONGMAX to optimize accessok, because the previous TASKSIZEMAX defau...

CVE-2025-38434

Technical details for CVE-2025-38434 are not provided in the connected documents. Public information about affected products/versions, root cause, impact, or fixes is not available here. Monitor for updates in the sources referenced by the Initial document.

CVE-2025-38434 Revert "riscv: Define TASK_SIZE_MAX for __access_ok()"

In the Linux kernel, the following vulnerability has been resolved: Revert "riscv: Define TASKSIZEMAX for accessok" This reverts commit ad5643cf2f69 "riscv: Define TASKSIZEMAX for accessok". This commit changes TASKSIZEMAX to be LONGMAX to optimize accessok, because the previous TASKSIZEMAX defau...