Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: l2tp: Avoid possible recursive deadlock in l2tptunnelregister When a file descriptor of the pppol2tp socket is passed as a file descriptor of the UDP socket, a recursive deadlock occurs in l2tptunnelregister. This issue is...

CVE-2026-71332: Use After Free

Use after free in Windows Secure Socket Tunneling Protocol SSTP allows an authorized attacker to elevate privileges locally...

CVE-2026-73009: Use After Free

Use after free in Windows Secure Socket Tunneling Protocol SSTP allows an unauthorized attacker to execute code over a network...

CVE-2026-72931: Missing Release of Resource after Effective Lifetime

Missing release of resource after effective lifetime in Windows Secure Socket Tunneling Protocol SSTP allows an authorized attacker to deny service locally...

CVE-2026-72930: Use After Free

Use after free in Windows Secure Socket Tunneling Protocol SSTP allows an authorized attacker to execute code locally...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: l2tp: avoided a data race in l2tptunneldelwork We should only access sk-sksocket when dealing with kernel sockets. syzbot reported the following data race: BUG: KCSAN: data race in l2tptunneldelwork / skcommonrelease Task 5365...

CVE-2026-62889: Double Free

Double free in Windows Secure Socket Tunneling Protocol SSTP allows an unauthorized attacker to execute code over a network...

UBUNTU-CVE-2026-64577

In the Linux kernel, the following vulnerability has been resolved: gtp: check skbpulldata return in gtp1usendechoresp gtp1usendechoresp ignores skbpulldata's return value. Its caller gtp1uudpencaprecv only guarantees 16 bytes udphdr + gtp1header, but the pull requests 20 gtp1headerlong + udphdr...

CVE-2026-63918

CVE-2026-63918 documents a Linux kernel fix: l2tp_session_get_by_ifname previously used refcount_inc() while other getters used refcount_inc_not_zero(), risking use-after-free if a race during RC/Rcu grace period allowed a zero refcount. The change normalizes the getter to refcount_inc_not_zero()...

PT-2026-61235

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the l2tp session get by ifname function. A reader matching session-ifname can be preempted between the strcmp and refcount inc operations. If the last referenc...

EUVD-2026-44046

Use after free in Windows Secure Socket Tunneling Protocol SSTP allows an unauthorized attacker to execute code over a network...

CVE-2026-50694

Use after free in Windows Secure Socket Tunneling Protocol SSTP allows an unauthorized attacker to execute code over a network...

PT-2026-58214

Name of the Vulnerable Software and Affected Versions Microsoft Windows affected versions not specified Description A use after free issue in the Windows Secure Socket Tunneling Protocol SSTP allows an unauthorized attacker to execute code over a network. Use after free is a memory corruption fla...

CVE-2026-50694: Use After Free

Use after free in Windows Secure Socket Tunneling Protocol SSTP allows an unauthorized attacker to execute code over a network...

CVE-2026-45847

In the Linux kernel, the following vulnerability has been resolved: net: remove WARNONONCE when accessing forward path array Although unlikely, recent support for IPIP tunnels increases chances of reaching this WARNONONCE if userspace manages to build a sufficiently long forward path. Remove it...

CVE-2026-8775 Edimax BR-6428NS POST Request formL2TPSetup buffer overflow

A flaw has been found in Edimax BR-6428NS 1.10. This affects the function formL2TPSetup of the file /goform/formL2TPSetup of the component POST Request Handler. This manipulation of the argument L2TPUserName causes buffer overflow. It is possible to initiate the attack remotely. The exploit has...

CVE-2026-8138

A vulnerability was found in Tenda CX12L 16.03.53.12. This issue affects the function formSetPPTPServer of the file /goform/SetPptpServerCfg”. The manipulation results in stack-based buffer overflow. The attack can be executed remotely. The exploit has been made public and could be used...

SUSE CVE-2026-43080

In the Linux kernel, the following vulnerability has been resolved: l2tp: Drop large packets with UDP encap syzbot reported a WARN on my patch series 1. The actual issue is an overflow of 16-bit UDP length field, and it exists in the upstream code. My series added a debug WARN with an overflow...

PT-2026-43473

Name of the Vulnerable Software and Affected Versions UTT HiPER 1200GW versions prior to 2.5.3-170306 Description A stack-based buffer overflow exists in the Web Management Interface component. A remote attacker can trigger this issue by manipulating arguments related to the PPTP server address,...

CVE-2026-6644

A command injection vulnerability was found in the PPTP VPN Clients on the ADM. The vulnerability allows an administrative user to break out of the restricted web environment and execute arbitrary code on the underlying operating system. This occurs due to insufficient validation of user-supplied...