LSN-0091-1: Kernel Live Patch Security Notice

It was discovered that a race condition existed in the memory address space accounting implementation in the Linux kernel, leading to a use-after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code.CVE-2022-41222 Sönke...

LSN-0090-1: Kernel Live Patch Security Notice

David Bouman discovered that the netfilter subsystem in the Linux kernel did not properly validate passed user register indices. A local attacker could use this to cause a denial of service or possibly execute arbitrary code. CVE-2022-1015 David Bouman and Billy Jheng Bing Jhong discovered that a...

Ubuntu: Security Advisory (USN-5700-1)

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...

USN-5700-1: Linux kernel vulnerabilities

David Bouman and Billy Jheng Bing Jhong discovered that a race condition existed in the iouring subsystem in the Linux kernel, leading to a use- after-free vulnerability. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2022-2602...

USN-4226-1: Linux kernel vulnerabilities

Michael Hanselmann discovered that the CIFS implementation in the Linux kernel did not sanitize paths returned by an SMB server. An attacker controlling an SMB server could use this to overwrite arbitrary files. CVE-2019-10220 It was discovered that a heap-based buffer overflow existed in the...

Ubuntu 18.04 LTS : Linux kernel vulnerabilities (USN-4226-1)

The remote Ubuntu 18.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-4226-1 advisory. Michael Hanselmann discovered that the CIFS implementation in the Linux kernel did not sanitize paths returned by an SMB server. An attacker controlling ...

Ubuntu: Security Advisory (USN-4211-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2019 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...

USN-4211-1: Linux kernel vulnerabilities

Zhipeng Xie discovered that an infinite loop could be triggered in the CFS Linux kernel process scheduler. A local attacker could possibly use this to cause a denial of service. CVE-2018-20784 Nicolas Waisman discovered that the WiFi driver stack in the Linux kernel did not properly validate SSID...

USN-4208-1: Linux kernel vulnerabilities

Jann Horn discovered that the OverlayFS and ShiftFS Drivers in the Linux kernel did not properly handle reference counting during memory mapping operations when used in conjunction with AUFS. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary...