USN-8631-1: Linux kernel vulnerabilities

Siebe Devroe, Héloïse Gollier, and Mathy Vanhoef discovered that the WiFi implementation in the Linux kernel did not properly handle aggregated frames in mesh networks, due to an incorrect fix for CVE-2020-24588. A physically proximate attacker could use this issue to inject packets. CVE-2025-275...

CVE-2026-33921

A flaw was found in the Npcap driver. The Windows installer for Arc deployed Npcap with insecure default access restrictions, allowing any local user, not just administrators, to access the driver. This vulnerability enables a local user without administrative privileges to capture network traffi...

CVE-2026-33921

The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to...

CVE-2026-33921 Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0

The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to...

EUVD-2026-55995

The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. A local user without administrative privileges could use the Npcap driver to...

CVE-2026-33921

CVE-2026-33921 maps to a Windows RPC Runtime (rpcrt4.dll) vulnerability where NdrComplexTypeBufferSize underflows, enabling a pre-auth heap-based overflow (Ghost-Call) via RPC/SMB without credentials. Impact: potential remote code execution with SYSTEM privileges on affected Windows hosts; exploi...

Npcap driver installed without administrator-only access restriction on Windows in Arc before v2.7.0

Summary The Windows installer deployed Npcap leaving its access restriction option at the insecure default value, so the driver was accessible to every local user of the host instead of being restricted to administrators only. Impact A local user without administrative privileges could use the...

EUVD-2026-53875

Sonic 3 A.I.R. before commit 2492d18 contains a missing source address validation vulnerability in ConnectionManager where established connections are resolved by a two-byte local connection handle alone without verifying that the datagram source address matches the registered remote address for...

SUSE-SU-2026:23038-1 Security update for wpa_supplicant

This update for wpasupplicant fixes the following issue: - CVE-2025-24912: hostapd RADIUS authentication of wi-fi devices allows a user in between the hostapd and the RADIUS server to inject crafted RADIUS packets and force RADIUS authentications to fail bsc1239461...

SUSE-SU-2026:3159-1 Security update for wpa_supplicant

This update for wpasupplicant fixes the following issue: - CVE-2025-24912: hostapd RADIUS authentication of wi-fi devices allows a user in between the hostapd and the RADIUS server to inject crafted RADIUS packets and force RADIUS authentications to fail bsc1239461...

CVE-2026-8369

Improper Input Validation in the NAT64 translator in The OpenThread Authors OpenThread before commit 26a882d on all platforms allows an attacker on the adjacent IPv4 network to inject corrupted IPv6 packets into the Thread mesh or bypass security checks via crafted IPv4 packets with options...

CVE-2026-40434

Anviz CrossChex Standard lacks source verification in the client/server channel, enabling TCP packet injection by an attacker on the same network to alter or disrupt application traffic...

CVE-2026-45849

In the Linux kernel, the following vulnerability has been resolved: net: mscc: ocelot: add missing lock protection in ocelotportxmitinj ocelotportxmitinj calls ocelotcaninject and ocelotportinjectframe without holding the injection group lock. Both functions contain lockdepassertheld for the...

Astra Linux – Vulnerability in Wireshark

Uncontrolled recursion in the Bluetooth DHT dissector in Wireshark versions 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows for denial of service through packet injection or crafted capture files...

Astra Linux – Vulnerability in Wireshark

The TIPC dissector crashes in Wireshark versions 4.0.0 to 4.0.2, and 3.6.0 to 3.6.10. This issue allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

A crash in the DNP dissector in Wireshark versions 3.4.0 to 3.4.6, as well as 3.2.0 to 3.2.14, allows for denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

Large loops in multiple protocol dissectors in Wireshark versions 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allow denial of service via packet injection or crafted capture files...

Astra Linux – Vulnerability in Wireshark

A large loop exists in the Bluetooth DHT dissector in Wireshark versions 3.4.0 to 3.4.9, and 3.2.0 to 3.2.17. This issue allows for denial of service through packet injection or with properly crafted capture files...

Astra Linux – Vulnerability in Wireshark

The SPRT dissector crash in Wireshark versions 4.2.0 to 4.0.5, and 4.0.0 to 4.0.15 allows denial of service through packet injection or malicious capture files...

Astra Linux – Vulnerability in Wireshark

The XRA dissector infinite loop in Wireshark versions 4.0.0 to 4.0.5, and 3.6.0 to 3.6.13 allows for denial of service through packet injection or malicious capture files...