Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: netsec: fixed error handling in netsecregistermdio. If phydeviceregister fails, phydevicefree must be called to reset the reference count; thus, the memory associated with the phy device and its name can be freed in the...

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 found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: usb: asix: validate PHY address before use The ASIX driver reads the PHY address from the USB device via asixreadphyaddr. A malicious or faulty device may return an invalid address = PHYMAXADDR, which causes a warning in...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: net: dsa: bcmsf2: 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" The...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: net: dsa: lantiqgswip: 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” The...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: net: mdiobus: fix unbalanced node reference count I encountered the following issue during the devicemscc-miim load test, with CONFIGOFUNITTEST and CONFIGOFDYNAMIC enabled: OF: Error: memory leak; expected refcount 1 instead of 2...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15

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:...

PT-2026-98636

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs in the macb mii init function. The function retains a reference returned by of get child by name for use in macb mdiobus register but only releases it during error...

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...

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...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-013678)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013678 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netsec: fix error handling in netsecregistermdio If phydeviceregister fails, phydevicefree...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011018)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011018 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netsec: fix error handling in netsecregistermdio If phydeviceregister fails, phydevicefree...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-011097)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011097 advisory. In the Linux kernel, the following vulnerability has been resolved: r6040: Fix kmemleak in probe and remove There is a memory leaks reported by kmemleak: unreferenc...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007371)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007371 advisory. In the Linux kernel, the following vulnerability has been resolved: net: netsec: fix error handling in netsecregistermdio If phydeviceregister fails, phydevicefree...

Linux physical layer network driver __mdiobus_register() Heap Buffer Overflow

The vulnerability of the mdiobusregister function in the drivers/net/phy/mdiobus.c module of the Linux physical-layer network driver kernel involves reading beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and...

Siemens SIMATIC S7-1500 Out-of-bounds Read (CVE-2025-38111)

In the Linux kernel, the following vulnerability has been resolved: net/mdiobus: Fix potential out-of-bounds read/write access When using publicly available tools like 'mdio-tools' to read/write data from/to network interface and its PHY via mdiobus, there is no verification of parameters passed ...

ROS-20260304-73-0005

A vulnerability in the mdiobus component of the Linux kernel is related to writing outside of buffer boundaries. Exploitation of the vulnerability could allow an attacker acting remotely to execute arbitrary code...

SUSE-SU-2026:20460-1 Security update for the Linux Kernel (Live Patch 4 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-24.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20464-1 Security update for the Linux Kernel (Live Patch 8 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-30.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...

SUSE-SU-2026:20515-1 Security update for the Linux Kernel RT (Live Patch 9 for SUSE Linux Enterprise Micro 6.0)

This update for the SUSE Linux Enterprise kernel 6.4.0-33.1 fixes various security issues The following security issues were fixed: - CVE-2025-38111: net/mdiobus: Fix potential out-of-bounds read/write access bsc1249455. - CVE-2025-38352: posix-cpu-timers: fix race between handleposixcputimers an...