Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: - net: dsa: felix: do not use devres for mdiobus. As explained in the commits: - 74b6d7d13307: “net: dsa: realtek: register the MDIO bus using devres”. - 5135e96a3dd2: “net: dsa: do not allocate the slavemiibus using devres”...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: net: phy: It is now possible to allow the MDIO bus’s PM operations to initiate/stop the state machine for the phylink-controlled PHY. There are two types of DSA drivers: 1. Those that call dsaswitchsuspend and dsaswitchresume...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: In the net subsystem, for the dsa module, in the mv88e6xxx code path, there was a issue with the refcount leak in the mv88e6xxxmdiosregister function. The ofgetchildbyname function returns a node pointer whose refcount is...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: net: mdio: fixed an undefined behavior in bit shifting for mdiobusregister. Shifting a signed 32-bit value by 31 bits is undefined; therefore, the significant bit was changed to unsigned. The UBSAN warning appears as follows:...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mv88e6xxx: Do not use devres for mdiobus As explained in the commits: 74b6d7d13307 “net: dsa: realtek: Register the MDIO bus under devres” 5135e96a3dd2 “net: dsa: Do not allocate the slavemiibus using devres” The...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: r6040: Fixed the kmemleak in the probe process and removed it. There is a memory leak reported by kmemleak: - Unreferenced object 0xffff888116111000 size 2048: comm “modprobe”, pid 817, jiffies 4294759745 age 76.502s Hex dump...

Astra Linux – Vulnerability in Linux, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: phy: mdio: fix memory leak Syzbot reported a memory leak in the MDIO bus interface. The problem lay in incorrect state logic. The MDIOBUSALLOCATED state indicates two possible statuses: 1. The bus is only allocated. 2. The bus is...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mdio: unexport init-annotated mdiobusinit EXPORTSYMBOL and init are a bad combination because the .init.text section is freed after initialization. As a result, modules cannot use symbols annotated with init. Accessing a fre...

OESA-2026-3703 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: ASoC: qcom: Fix sc7280 lpass potential buffer overflow Case values introduced in commit 5f78e1fb7a3e "ASoC: qcom: Add driver support for audioreach solution" cau...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: In the net: phy: sfp section, there was a issue where the sfpi2cmdiobusdestroy function failed to properly free the bus. The sfpi2cmdiobuscreate function allocates the I2C MDIO bus using mdioi2calloc, a straightforward allocation...

Linux Distros Unpatched Vulnerability : CVE-2026-72391

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers...

CVE-2026-72391

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...

CVE-2026-72391

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...

UBUNTU-CVE-2026-72391

In the Linux kernel, the following vulnerability has been resolved: net: phy: sfp: free miibus in sfpi2cmdiobusdestroy sfpi2cmdiobuscreate allocates the I2C MDIO bus with mdioi2calloc, a plain non-devm allocation, and registers it. sfpi2cmdiobusdestroy only unregisters the bus and clears sfp-i2cm...

CVE-2026-72391

Summary: CVE-2026-72391 affects the Linux kernel’s SFP MDIO bus handling. The code path in net: phy: sfp: free mii_bus in sfp_i2c_mdiobus_destroy previously leaked the struct mii_bus. The creation path allocates the I2C MDIO bus with mdio_i2c_alloc() (plain non-devm allocation) and registers it, ...

PT-2026-72579

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the Linux kernel when a copper or RollBall SFP module that instantiated an MDIO bus is removed. The function sfp i2c mdiobus create allocates the I2C MDIO bus usi...

ROS-20260804-73-0041

The vulnerability of the functions mdiobusPhysuspend and mdiobus Phyresume in the drivers/net/phy/phydevice.c file of the Linux physical-layer network driver is related to improper termination or release of resources. Exploiting this vulnerability could allow a remote attacker to cause service...

Siemens SIMATIC S7-1500 CPU 1518 MFP Improper Input Validation (CVE-2025-38736)

In the Linux kernel, the following vulnerability has been resolved: net: usb: asixdevices: Fix PHY address mask in MDIO bus initialization Syzbot reported shift-out-of-bounds exception on MDIO bus initialization. The PHY address should be masked to 5 bits 0-31. Without this mask, invalid PHY...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004863)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004863 advisory. In the Linux kernel, the following vulnerability has been resolved: net: mdio: fix undefined behavior in bit shift for mdiobusregister Shifting signed 32-bit value b...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38110)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38110 advisory. - In the Linux kernel, the following vulnerability has been resolved: net/mdiobus: Fix potential out-of- bound...