Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098915)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098915 advisory. In the Linux kernel, the following vulnerability has been resolved: 6lowpan: fix NHC entry use-after-free on error path lowpannhcdouncompression looks up an NHC...

CVE-2026-12633

The IPv6 neighbor-discovery code in subsys/net/ip/ipv6nbr.c processes the 6LoWPAN Context Option 6CO, RFC 6775 carried inside ICMPv6 Router Advertisements. In handlera6co the 8-bit contextlen field is taken directly from the packet and was never bounded to the RFC maximum of 128. The function...

CVE-2026-12633 Out-of-bounds write in IPv6 6LoWPAN Context Option handling via unauthenticated Router Advertisement

The IPv6 neighbor-discovery code in subsys/net/ip/ipv6nbr.c processes the 6LoWPAN Context Option 6CO, RFC 6775 carried inside ICMPv6 Router Advertisements. In handlera6co the 8-bit contextlen field is taken directly from the packet and was never bounded to the RFC maximum of 128. The function...

CVE-2026-12633 Out-of-bounds write in IPv6 6LoWPAN Context Option handling via unauthenticated Router Advertisement

The IPv6 neighbor-discovery code in subsys/net/ip/ipv6nbr.c processes the 6LoWPAN Context Option 6CO, RFC 6775 carried inside ICMPv6 Router Advertisements. In handlera6co the 8-bit contextlen field is taken directly from the packet and was never bounded to the RFC maximum of 128. The function...

CVE-2026-12633

CVE-2026-12633 is an out-of-bounds write in the Zephyr RTOS IPv6 neighbor-discovery code (subsys/net/ip/ipv6_nbr.c). The function handle_ra_6co() processes the 6LoWPAN Context Option (RFC 6775) from ICMPv6 Router Advertisements without bounding the 8-bit context_len field to the RFC maximum of 12...

CVE-2026-72337

A flaw was found in the Linux kernel's Bluetooth 6LoWPAN IPv6 over Low-Power Wireless Personal Area Networks component. This vulnerability occurs due to a race condition during the module's exit process, where a scheduled task attempts to access memory that has already been released. A local...

CVE-2026-72336

A flaw was found in the Linux kernel's Bluetooth 6LoWPAN IPv6 over Low-Power Wireless Personal Area Networks component. A race condition exists where an L2CAP Logical Link Control and Adaptation Protocol connection is accessed after its protection is dropped, allowing it to be deallocated...

CVE-2026-12630

Zephyr's 6LoWPAN IP Header Compression IPHC uncompression code contains an out-of-bounds read in getihpcinlinedsize subsys/net/ip/6lo.c. The destination inline size is looked up in dainlinesizetable, which has 13 entries, using an index built from the M, DAC and DAM bits of the received IPHC...

CVE-2026-12630

Zephyr's 6LoWPAN IP Header Compression IPHC uncompression code contains an out-of-bounds read in getihpcinlinedsize subsys/net/ip/6lo.c. The destination inline size is looked up in dainlinesizetable, which has 13 entries, using an index built from the M, DAC and DAM bits of the received IPHC...

EUVD-2026-60267

Zephyr's 6LoWPAN IP Header Compression IPHC uncompression code contains an out-of-bounds read in getihpcinlinedsize subsys/net/ip/6lo.c. The destination inline size is looked up in dainlinesizetable, which has 13 entries, using an index built from the M, DAC and DAM bits of the received IPHC...

CVE-2026-12630 6LoWPAN IPHC uncompression out-of-bounds read on reserved destination addressing mode

Zephyr's 6LoWPAN IP Header Compression IPHC uncompression code contains an out-of-bounds read in getihpcinlinedsize subsys/net/ip/6lo.c. The destination inline size is looked up in dainlinesizetable, which has 13 entries, using an index built from the M, DAC and DAM bits of the received IPHC...

CVE-2026-12630 6LoWPAN IPHC uncompression out-of-bounds read on reserved destination addressing mode

Zephyr's 6LoWPAN IP Header Compression IPHC uncompression code contains an out-of-bounds read in getihpcinlinedsize subsys/net/ip/6lo.c. The destination inline size is looked up in dainlinesizetable, which has 13 entries, using an index built from the M, DAC and DAM bits of the received IPHC...

CVE-2026-12630

In Zephyr's 6LoWPAN stack, get_ihpc_inlined_size() in subsys/net/ip/6lo.c indexes a 13-entry table with a 4-bit value (0-15) from the incoming IPHC dispatch word. Reserved indices 13-15 are unchecked, causing an out-of-bounds read that drives further buffer dereference and size_t underflow before...

PT-2026-76712

Zephyr's 6LoWPAN IP Header Compression IPHC uncompression code contains an out-of-bounds read in get ihpc inlined size subsys/net/ip/6lo.c. The destination inline size is looked up in da inline size table, which has 13 entries, using an index built from the M, DAC and DAM bits of the received IPH...

AZL-96453 CVE-2026-72337 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

CVE-2026-72336

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control getl2capconn looks up an LE hciconn under hdev protection, but then drops that protection before reading hcon-l2capdata and before lowpancontrolwrite later dereferences...

CVE-2026-72337

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

UBUNTU-CVE-2026-72336

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control getl2capconn looks up an LE hciconn under hdev protection, but then drops that protection before reading hcon-l2capdata and before lowpancontrolwrite later dereferences...

UBUNTU-CVE-2026-72337

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: avoid untracked enable work lowpanenableset allocates a temporary work item and schedules doenableset on systemwq, then returns to debugfs. The debugfs active operation has ended at that point, but the worker...

CVE-2026-72336

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: 6lowpan: hold L2CAP conn across debugfs control getl2capconn looks up an LE hciconn under hdev protection, but then drops that protection before reading hcon-l2capdata and before lowpancontrolwrite later dereferences...