Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000587)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000587 advisory. The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service integer overflow,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001525)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001525 advisory. The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000657)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000657 advisory. The ip6fragqueue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002852)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002852 advisory. The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service integer overflow,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003390)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003390 advisory. The netfilter subsystem in the Linux kernel before 4.9 mishandles IPv6 reassembly, which allows local users to cause a denial of service integer overflow,...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-002387)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002387 advisory. The ip6fragqueue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002057)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002057 advisory. The ip6fragqueue function in net/ipv6/reassembly.c in the Linux kernel before 2.6.36 allows remote attackers to bypass intended network restrictions via overlapping...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-003508)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003508 advisory. The Linux kernel, versions 3.9+, is vulnerable to a denial of service attack with low rates of specially modified packets targeting IP fragment re-assembly. An...

AZL-74360 CVE-2025-68768 affecting package kernel 6.6.126.1-1

In the Linux kernel, the following vulnerability has been resolved: inet: frags: flush pending skbs in fqdirpreexit We have been seeing occasional deadlocks on pernetopsrwsem since September in NIPA. The stuck task was usually modprobe often loading a driver like ipvlan, trying to take the lock a...

CVE-2025-66646

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When receiving an fragmented IPv6 packe...

CVE-2025-66647 RIOT OS has buffer overflow in gnrc_ipv6_ext_frag_reass

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When copying the contents of the first...

CVE-2025-66647 RIOT OS has buffer overflow in gnrc_ipv6_ext_frag_reass

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When copying the contents of the first...

EUVD-2025-203946

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When copying the contents of the first...

CVE-2025-66647

The CVE concerns RIOT OS IPv6 fragmentation reassembly in the gnrc_ipv6_ext_frag module. Copying the first fragment (offset=0) into the reassembly buffer lacks a size check, enabling an attacker to create a small buffer by sending a shorter initial fragment and potentially overflow other packet b...

CVE-2025-66647 RIOT OS has buffer overflow in gnrc_ipv6_ext_frag_reass

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When copying the contents of the first...

CVE-2025-66646 RIOT-OS has NULL pointer dereference in gnrc_ipv6_ext_frag_reass

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When receiving an fragmented IPv6 packe...

EUVD-2025-203929

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When receiving an fragmented IPv6 packe...

CVE-2025-66646

CVE-2025-66646 affects RIOT OS, specifically in the IPv6 fragmentation reassembly (gnrc_ipv6_ext_frag). When a fragmented IPv6 packet with fragment offset 0 and an empty payload is processed, the payload pointer is set to NULL but the code still copies into the reassembly buffer, causing a NULL p...

CVE-2025-66646 RIOT-OS has NULL pointer dereference in gnrc_ipv6_ext_frag_reass

RIOT is an open-source microcontroller operating system, designed to match the requirements of Internet of Things IoT devices and other embedded devices. A vulnerability was discovered in the IPv6 fragmentation reassembly implementation of RIOT OS v2025.07. When receiving an fragmented IPv6 packe...

PT-2025-51894

Name of the Vulnerable Software and Affected Versions RIOT versions prior to 2025.10 Description RIOT OS, designed for IoT and embedded devices, contains a flaw in its IPv6 fragmentation reassembly process. Specifically, the implementation lacks a size check when copying the first fragment offset...