CVE-2026-53323

A flaw was found in the Linux kernel's Distributed Switch Architecture DSA subsystem. Redundant locking operations within the DSA conduit ethtool wrappers can lead to a deadlock. A local attacker can exploit this by using the ethtool -i command, causing the system to become unresponsive and...

SUSE CVE-2026-53323

In the Linux kernel, the following vulnerability has been resolved: net: dsa: remove redundant netdevlockops from conduit ethtool ops DSA replaces the conduit master device's ethtoolops with its own wrappers that aggregate stats from both the conduit and DSA switch ports. Taking the lock again...

CVE-2026-53323

In the Linux kernel, the following vulnerability has been resolved: net: dsa: remove redundant netdevlockops from conduit ethtool ops DSA replaces the conduit master device's ethtoolops with its own wrappers that aggregate stats from both the conduit and DSA switch ports. Taking the lock again...

UBUNTU-CVE-2026-53323

In the Linux kernel, the following vulnerability has been resolved: net: dsa: remove redundant netdevlockops from conduit ethtool ops DSA replaces the conduit master device's ethtoolops with its own wrappers that aggregate stats from both the conduit and DSA switch ports. Taking the lock again...

CVE-2026-53323

CVE-2026-53323 : In the Linux kernel, the conduit (master) device’s ethtool wrappers used by DSA were calling netdev_lock_ops()/netdev_unlock_ops(), creating a potential deadlock when aggregating stats from conduit and DSA switch ports. The fix removes the redundant locking calls from the DSA con...

CVE-2026-53323

In the Linux kernel, the following vulnerability has been resolved: net: dsa: remove redundant netdevlockops from conduit ethtool ops DSA replaces the conduit master device's ethtoolops with its own wrappers that aggregate stats from both the conduit and DSA switch ports. Taking the lock again...

EUVD-2026-39858

In the Linux kernel, the following vulnerability has been resolved: net: dsa: remove redundant netdevlockops from conduit ethtool ops DSA replaces the conduit master device's ethtoolops with its own wrappers that aggregate stats from both the conduit and DSA switch ports. Taking the lock again...

PT-2026-52962

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A deadlock occurs in the Distributed Switch Architecture DSA component when the system replaces the conduit device's ethtool ops with wrappers designed to aggregate statistics from the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: ethtool: Avoid overflowing the user-space buffer during stats queries The ethtool -S command operates through three ioctl calls: - ETHTOOLGSSETINFO for the size of the statistics data; - ETHTOOLGSTRINGS for the names of the...

Astra Linux – Vulnerability found in Linux 6.1, Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: fixed the “UBSAN: shift-out-of-bounds error” issue. This patch ensures that the RX ring size rxpending is not set below the permitted limit. This prevents UBSAN shift-out-of-bounds errors when users specify small or...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: mvneta: fix calls to pagepoolgetstats Calling pagepoolgetstats in the mvneta driver without proper checks leads to kernel crashes. Firstly, the page pool is only available if the bm is not being used. The page pool is also n...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: ethtool: netlink: Allow NULL nlattrs when getting a phydevice The ethnlreqgetPhyDev function is used to look up a phyDevice, in cases where an ethtool netlink command targets a specific phyDevice within a netDevice’s topolog...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: core: A null pointer dereference was prevented in generichwtstampioctllower. The ethtool tsconfig Netlink path can trigger a null pointer dereference. A call chain such as: tsconfigpreparedata - devgethwtstampphylib -...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: idpf: Fix RSS LUT NULL pointer crash on early ethtool operations The RSS LUT is not initialized until the interface comes up, causing the following NULL pointer crash when ethtool operations like rxhash on/off are performed befor...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ixgbe: Fixed NULL pointer dereferencing in ixgbexdpsetup The ixgbe driver currently causes a NULL pointer dereferencing with some machines online cpus ringfeatureRINGFFDIR.limit = count; This results in numqueues being set to 63...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: sfc: fixed a deadlock in the RSS config read operation. Since the referenced commit, core locked the rsslock of netdevice when handling the ethtool -x command. Therefore, the driver’s implementation should no longer lock it. Remo...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fixed a refcount leak in gfargettsinfo The offindcompatiblenode function returns a node pointer with the refcount incremented. We should use ofnodeput on it after processing. Also, add the missing ofnodeput to...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ICE: Prevent NULL pointer dereferencing during reload Calling ethtool during reload can lead to a call trace issue, because the VSI configuration is not updated for some time, but the netdev structure remains active. To fix this...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Net: Ethernet: mvpp2main: A possible OOB write issue has been fixed in mvpp2ethtoolgetrxnfc. The rules parameter is allocated in ethtoolgetrxnfc, and its size is determined by rulecnt from the user space. Therefore, rulecnt needs...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: macsec: sync features on RTMNEWLINK Syzkaller was able to lock the lower device via ETHTOOLSFEATURES: - netdevlock, include/linux/netdevice.h: 2761 inline - netdevops, include/net/netdevlock.h: 42 inline -...