Astra Linux - уязвимость в linux-5.10, linux-5.15, linux

In the Linux kernel, the following vulnerabilities have been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp using vsock, the data size is usually 32 kB. kmalloc seems to fail when trying to allocate 32 32 kB regions. vhost-5837: Page allocation...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992415)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992415 advisory. In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over...

CVE-2022-50271

In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over vsock, data size is usually 32kB, and kmalloc seems to fail to try to allocate 32 32kB regions. vhost-5837: page allocation failure:...

UBUNTU-CVE-2022-50271

In the Linux kernel, the following vulnerability has been resolved: vhost/vsock: Use kvmalloc/kvfree for larger packets. When copying a large file over sftp over vsock, data size is usually 32kB, and kmalloc seems to fail to try to allocate 32 32kB regions. vhost-5837: page allocation failure:...

CVE-2022-50271

CVE-2022-50271 affects the Linux kernel’s vhost/vsock code. The issue arises when copying large files over SFTP over vsock, where data sizes commonly reach 32 kB and kmalloc may allocate many 32 kB chunks, leading to a page allocation failure (example: vhost-5837). The root cause is an inefficien...

PT-2022-35105 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v6.0.3 Description: The issue is related to the use of kvmalloc/kvfree for larger packets in vhost/vsock. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

PT-2022-35784 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v4.19.262 Description: The issue concerns the use of kvmalloc/kvfree for larger packets in vhost/vsock. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...

PT-2022-35682 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.4.220 Description: The issue is related to the use of kvmalloc/kvfree for larger packets in vhost/vsock. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel...