Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: net: macb: fixed a memory corruption in extended buffer descriptor mode For quite some time, we were dealing with a bug that seemed to cause sudden and permanent failures in networking and MMCA on some of our devices. This bug...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013598)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013598 advisory. In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011182)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011182 advisory. In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-013369)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013369 advisory. In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were...

CVE-2023-54257

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

EUVD-2023-60384

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

CVE-2023-54257

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

UBUNTU-CVE-2023-54257

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

CVE-2023-54257

CVE-2023-54257 affects the Linux kernel net/macb driver. The issue is a memory corruption in extended buffer descriptor mode caused by the DMA subsystem: the driver attempted to free DMA memory it had not allocated, as observed when enabling CONFIG_DMA_API_DEBUG. The problem was reproduced via a ...

CVE-2023-54257 net: macb: fix a memory corruption in extended buffer descriptor mode

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

CVE-2023-54257 net: macb: fix a memory corruption in extended buffer descriptor mode

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix a memory corruption in extended buffer descriptor mode For quite some time we were chasing a bug which looked like a sudden permanent failure of networking and mmc on some of our devices. The bug was very sensitive...

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 Linux kernel that stems from the presence of a memory corruption in the extended buffer descriptor mode, which could result in a DMA memory...

PT-2025-54086

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.4.0 28 Description The Linux kernel contains a flaw related to memory management within the macb Multi-port Ethernet Controller with Buffer driver in extended buffer descriptor mode. The issue manifests as a...

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 Linux kernel that stems from not properly handling an accidentally generated extended buffer, which could lead to metadata corruption...