CVE-2023-21757 Windows Layer 2 Tunneling Protocol (L2TP) Denial of Service Vulnerability

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CVE-2023-21556

Technical details about CVE-2023-21556 are not publicly provided in the supplied documents; no affected products, root cause, or fixes are specified here. Monitor for updates from official sources.

Fedora 35 : kernel (2022-b36cd53dca)

The remote Fedora 35 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2022-b36cd53dca advisory. The 6.0.11 stable kernel update contains a number of important fixes across the tree. Tenable has extracted the preceding description block directly...

SUSE SLED15: cluster-md-kmp-64kb / cluster-md-kmp-default / dlm-kmp-64kb / etc (SUSE-SU-2022:4585-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2022:4585-1 advisory. The SUSE Linux Enterprise 15 SP4 kernel was updated to receive various security and bugfixes. Th...

SUSE: Security Advisory (SUSE-SU-2022:4504-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

DEBIAN-CVE-2022-20567

In pppol2tpcreate of l2tpppp.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID:...

Linux kernel L2TP protocol denial of service vulnerability

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A denial of service vulnerability exists in Linux layer2tunnelingprotocol prior to version 6.0, which stems from a flaw in the Linux kernel's Layer 2 Tunneling Protocol, L2TP,...

CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

Race condition

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

CVE-2022-4129

CVE-2022-4129 is a race-condition in the Linux kernel L2TP implementation caused by a missing lock when clearing sk_user_data, leading to a NULL pointer dereference and potential local DoS via system crash. Connected advisories (Amazon Linux 2 kernel 5.10/5.15 extras and Astra/Linux entries) conf...

CVE-2022-4129

A flaw was found in the Linux kernel's Layer 2 Tunneling Protocol L2TP. A missing lock when clearing skuserdata can lead to a race condition and NULL pointer dereference. A local user could use this flaw to potentially crash the system causing a denial of service...

Unbreakable Enterprise kernel security update

4.14.35-2047.518.4 - xfs: avoid race between writeback and data/cow fork changes Wengang Wang Orabug: 34508036 4.14.35-2047.518.3 - KVM: SVM: Clear the CR4 register on reset Babu Moger Orabug: 34617675 4.14.35-2047.518.2 - afkey: Do not call xfrmprobealgs in parallel Herbert Xu Orabug: 34566753...

Unbreakable Enterprise kernel-container security update

4.14.35-2047.518.4.el7 - xfs: avoid race between writeback and data/cow fork changes Wengang Wang Orabug: 34508036 4.14.35-2047.518.3.el7 - KVM: SVM: Clear the CR4 register on reset Babu Moger Orabug: 34617675 4.14.35-2047.518.2.el7 - afkey: Do not call xfrmprobealgs in parallel Herbert Xu Orabug...

CVE-2022-37070

H3C GR-1200W MiniGRW1A0V100R006 was discovered to contain a command injection vulnerability via the param parameter at DelL2tpLNSList...

CVE-2022-36509

H3C GR3200 MiniGR1B0V100R014 was discovered to contain a command injection vulnerability via the param parameter at DelL2tpLNSList...

PT-2022-23784 · H3C · H3C Gr-1200W

Name of the Vulnerable Software and Affected Versions: H3C GR-1200W version MiniGRW1A0V100R006 Description: A command injection issue was discovered via the param parameter at DelL2tpLNSList. Recommendations: For H3C GR-1200W version MiniGRW1A0V100R006, consider restricting access to the...

CVE-2022-37134

D-link DIR-816 A2v1.10CNB04.img is vulnerable to Buffer Overflow via /goform/form2Wan.cgi. When wantype is 3, l2tpusrname will be decrypted by base64, and the result will be stored in v94, which does not check the size of l2tpusrname, resulting in stack overflow...