CVE-2026-45842

CVE-2026-45842 concerns the Linux kernel slip module. When rslots are configured to 0 (no receive compression), the code may allocate a NULL rstate and set rslot_limit to 0. The receive path does not guard against this, causing slhc_uncompress() to dereference comp->rstate[x] if the VJ header ...

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

In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable – incorrect pppoe tuple PPPoE traffic that reaches the ingress path does not match the flowtable entry because the pppoe header is expected to be at the network header offset. This bug causes a mismatch in th...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerabilities have been resolved: ppp: Associating skb with a device at tx. Syzkaller triggered a flow dissector warning with the following code: c r0 = openat$ppp0xffffffffffffff9c, &0x7f0000000000, 0xc0802, 0x0 ioctl$PPPIOCNEWUNITr0, 0xc004743e,...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerabilities have been resolved: pppasync: Limited MRU to 64K. The syzbot triggered a warning 1 in allocpages: WARNONONCEGFP order MAXPAGEORDER, gfp. Willem fixed a similar issue in the commit c0a2a1b0d631 “ppp: limited MRU to 64K”. Apply the same sanity chec...

CVE-2026-6644 A command injection vulnerability was found in the PPTP VPN Clients on the ADM

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...

CVE-2026-6644

The CVE-2026-6644 entry describes a command-injection vulnerability in ADM PPTP VPN Clients that allows an administrative user to escape the restricted web environment and execute arbitrary OS commands, enabling Remote Code Execution and full system compromise. Affected are ADM versions 4.1.0–4.3...

PT-2026-51969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Point-to-Point Protocol PPP implementation where /dev/ppp open is authorized against file-f cred-user ns, while unattached administrative ioctls operate on...

ROS-20260407-73-0024

A vulnerability in the Linux operating system kernel ppp driver is related to simultaneous execution using a shared resource with improper synchronization. Exploitation of the vulnerability allows an attacker to cause a denial of service...

(Pwn2Own) QNAP QHora-322 ip6_wanifset Improper Restriction of Communication Channel to Intended Endpoints Firewall Bypass Vulnerability

This vulnerability allows network-adjacent attackers to bypass firewall rules on affected installations of QNAP QHora-322 routers. Authentication is not required to exploit this vulnerability. The specific flaw exists within the implementation of firewall rules. The issue results from failing to...

ROS-20260324-73-0007

A vulnerability in the pptp component of the Linux operating system kernel is related to errors in variable initialization. Exploitation of the vulnerability allows an intruder to affect confidentiality, integrity and availability of protected information...

kernel: Fix of 10 CVEs

ACPICA: Add AMLNOOPERANDRESOLVE flag to Timer CVE-2023-53395 - net: ppp: Add bound checking for skb data on pppsynctxmung CVE-2025-37749 - ata: ahci: Match EMMAXSLOTS with SATAPMPMAXPORTS CVE-2022-50315 - ext2: Check block size validity during mount CVE-2023-53569 - gfs2: Fix possible data races...

OESA-2026-1231 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: scsi: libsas: Fix use-after-free bug in smpexecutetasksg When executing SMP task failed, the smpexecutetasksg calls deltimer to delete "slowtask-timer". However,...

Azure Linux 3.0 Security Update: ppp (CVE-2020-8597)

The version of ppp installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2020-8597 advisory. - eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eaprequest and eapresponse...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001887)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001887 advisory. The slhcinit function in drivers/net/slip/slhc.c in the Linux kernel through 4.2.3 does not ensure that certain slot numbers are valid, which allows local users to...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002064)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002064 advisory. include/net/netfilter/nfconntrackextend.h in the netfilter subsystem in the Linux kernel before 3.14.5 uses an insufficiently large data type for certain extension...

EulerOS Virtualization 2.10.1 : ppp (EulerOS-SA-2026-1005)

According to the versions of the ppp package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : The passprompt plugin in pppd in ppp before 2.5.2 mishandles privileges.CVE-2024-58250 Tenable has extracted the preceding description...

EulerOS Virtualization 2.10.0 : ppp (EulerOS-SA-2026-1002)

According to the versions of the ppp package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : The passprompt plugin in pppd in ppp before 2.5.2 mishandles privileges.CVE-2024-58250 Tenable has extracted the preceding description...

CVE-2022-50655

In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the following: r0 = openat$ppp0xffffffffffffff9c, &0x7f0000000000, 0xc0802, 0x0 ioctl$PPPIOCNEWUNITr0, 0xc004743e, &0x7f00000000c0...

CVE-2022-50655

In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the following: r0 = openat$ppp0xffffffffffffff9c, &0x7f0000000000, 0xc0802, 0x0 ioctl$PPPIOCNEWUNITr0, 0xc004743e, &0x7f00000000c0...

DEBIAN-CVE-2022-50655

In the Linux kernel, the following vulnerability has been resolved: ppp: associate skb with a device at tx Syzkaller triggered flow dissector warning with the following: r0 = openat$ppp0xffffffffffffff9c, &0x7f0000000000, 0xc0802, 0x0 ioctl$PPPIOCNEWUNITr0, 0xc004743e, &0x7f00000000c0...