26 matches found
Mageia: Security Advisory (MGASA-2018-0062)
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...
CVE-2017-16995
An arbitrary memory r/w access issue was found in the Linux kernel compiled with the eBPF bpf2 system call CONFIGBPFSYSCALL support. The issue could occur due to calculation errors in the eBPF verifier module, triggered by user supplied malicious BPF program. An unprivileged user could use this...
Linux Kernel < 4.14.8 Sign Extension Local Privilege Escalation Exploit
Linux kernel versions prior to 4.14.8 utilize the Berkeley Packet Filter BPF which contains a vulnerability where it may improperly perform signing for an extension. This can be utilized to escalate privileges. The target system must be compiled with BPF support and must not have...
Linux BPF Sign Extension Local Privilege Escalation
This module requires Metasploit: https://metasploit.com/download Current source: https://github.com/rapid7/metasploit-framework class MetasploitModule 'Linux BPF Sign Extension Local Privilege Escalation', 'Description' = %q Linux kernel prior to 4.14.8 utilizes the Berkeley Packet Filter BPF whi...
CVE-2017-16995
creationtimestamp| type| source ---|---|--- 2018-07-10 00:00:00+00:00| exploited| https://www.exploit-db.com/exploits/45010 2018-07-11 17:11:02+00:00| published-proof-of-concept| https://t.me/canyoupwnme/4095 2018-07-18 11:41:19+00:00| seen|...
Linux Kernel < 4.13.9 (Ubuntu 16.04 / Fedora 27) - Local Privilege Escalation
/ Credit @bleidl, this is a slight modification to his original POC https://github.com/brl/grlh/blob/master/get-rekt-linux-hardened.c For details on how the exploit works, please visit https://ricklarabee.blogspot.com/2018/07/ebpf-and-analysis-of-get-rekt-linux.html Tested on Ubuntu 16.04 with th...
Linux Kernel 4.13.9 (Ubuntu 16.04 Fedora 27) - Local Privilege Escalation
Linux Kernel 4.13.9 Ubuntu 16.04 Fedora 27 - Local Privilege Escalation / Credit @bleidl, this is a slight modification to his original POC https://github.com/brl/grlh/blob/master/get-rekt-linux-hardened.c For details on how the exploit works, please visit...
USN-3619-2: Linux kernel (Xenial HWE) vulnerabilities | Cloud Foundry
Severity High Vendor Canonical Ubuntu Versions Affected Canonical Ubuntu 14.04 Description USN-3619-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 LTS. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 16.04 LTS for Ubuntu 14.04...
Ubuntu: Security Advisory (USN-3633-1)
The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...
Ubuntu: Security Advisory (USN-3619-1)
The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...
Ubuntu本地提权漏洞(CVE-2017-16995)
Since commit f1174f77b50c "bpf/verifier: rework value tracking", the eBPF range tracking is security-relevant for the verification of eBPF code provided by unprivileged users. Therefore, any tiny slip-up in the arithmetic range tracking now turns into an arbitrary read+write in the full kernel...
Ubuntu 17.10 : linux-raspi2 vulnerabilities (USN-3523-3)
Jann Horn discovered that the Berkeley Packet Filter BPF implementation in the Linux kernel did not properly check the relationship between pointer values and the BPF stack. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-1786...
Ubuntu: Security Advisory (USN-3523-3)
The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...
Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3523-2)
The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3523-2 advisory. USN-3523-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.10. This update provides the corresponding updates for the Linux Hardware Enablement H...
USN-3523-3: Linux kernel (Raspberry Pi 2) vulnerabilities
Jann Horn discovered that the Berkeley Packet Filter BPF implementation in the Linux kernel did not properly check the relationship between pointer values and the BPF stack. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code. CVE-2017-1786...
Ubuntu: Security Advisory (USN-3523-1)
The remote host is missing an update for the SPDX-FileCopyrightText: 2018 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...
[ASA-201801-2] linux-lts: multiple issues
Arch Linux Security Advisory ASA-201801-2 ========================================= Severity: High Date : 2018-01-05 CVE-ID : CVE-2017-16995 CVE-2017-17449 CVE-2017-17558 CVE-2017-17712 CVE-2017-17805 CVE-2017-17806 CVE-2017-17862 CVE-2017-17863 CVE-2017-17864 Package : linux-lts Type : multiple...
[ASA-201801-1] linux: multiple issues
Arch Linux Security Advisory ASA-201801-1 ========================================= Severity: High Date : 2018-01-05 CVE-ID : CVE-2017-16995 CVE-2017-16996 CVE-2017-17449 CVE-2017-17558 CVE-2017-17712 CVE-2017-17805 CVE-2017-17806 CVE-2017-17852 CVE-2017-17853 CVE-2017-17854 CVE-2017-17855...
[ASA-201801-4] linux-hardened: multiple issues
Arch Linux Security Advisory ASA-201801-4 ========================================= Severity: High Date : 2018-01-05 CVE-ID : CVE-2017-16995 CVE-2017-16996 CVE-2017-17448 CVE-2017-17449 CVE-2017-17450 CVE-2017-17558 CVE-2017-17712 CVE-2017-17741 CVE-2017-17805 CVE-2017-17806 CVE-2017-17852...
CVE-2017-16995
The checkaluop function in kernel/bpf/verifier.c in the Linux kernel through 4.4 allows local users to cause a denial of service memory corruption or possibly have unspecified other impact by leveraging incorrect sign extension...