CVE-2026-31494

In the Linux kernel, the following vulnerability has been resolved: net: macb: use the current queue number for stats There's a potential mismatch between the memory reserved for statistics and the amount of memory written. gemgetssetcount correctly computes the number of stats based on the activ...

CVE-2026-31494 net: macb: use the current queue number for stats

In the Linux kernel, the following vulnerability has been resolved: net: macb: use the current queue number for stats There's a potential mismatch between the memory reserved for statistics and the amount of memory written. gemgetssetcount correctly computes the number of stats based on the activ...

Linux Distros Unpatched Vulnerability : CVE-2026-31494

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: macb: use the current queue number for stats There's a potential mismatch between the memory reserved for statistics and the amount of memory written...

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...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from improper memory usage statistics in the macb driver, potentially leading to out-of-bound writes...

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...

SUSE CVE-2026-31396

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

EUVD-2026-18774

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

CVE-2026-31396

A flaw was found in the Linux kernel's Media Access Controller MACB Ethernet driver and Precision Time Protocol PTP clock subsystem. A local attacker could exploit a use-after-free vulnerability by accessing the PTP clock via the gettsinfo ethtool call after the PTP clock has been deallocated. Th...

CVE-2026-31396

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

CVE-2026-31396

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

UBUNTU-CVE-2026-31396

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

CVE-2026-31396

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

CVE-2026-31396

Summary: CVE-2026-31396 affects the Linux kernel’s net/macb and PTP clock subsystem. The root cause is a use-after-free in ptp_clock_index() when the PTP clock is accessed via get_ts_info while the interface’s PTP clock object has been deregistered. This allows a local attacker to trigger a crash...

CVE-2026-31396 net: macb: fix use-after-free access to PTP clock

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

CVE-2026-31396 net: macb: fix use-after-free access to PTP clock

In the Linux kernel, the following vulnerability has been resolved: net: macb: fix use-after-free access to PTP clock PTP clock is registered on every opening of the interface and destroyed on every closing. However it may be accessed via gettsinfo ethtool call which is possible while the interfa...

PT-2026-30179

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.1.164+ Description The Linux kernel contained a use-after-free issue in the networking subsystem related to the macb driver and the PTP Precision Time Protocol clock. Specifically, the PTP clock could be access...

PT-2026-36432

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the Linux kernel's macb network driver during PCI glue driver removal. The platform device unregister function may attempt to use registered clocks durin...

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...

SUSE 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...