USN-3052-1: Linux kernel vulnerabilities

It was discovered that the keyring implementation in the Linux kernel did not ensure a data structure was initialized before referencing it after an error condition occurred. A local attacker could use this to cause a denial of service system crash. CVE-2016-4470 Kangjie Lu discovered an...

USN-3051-1: Linux kernel (Trusty HWE) vulnerabilities

It was discovered that the keyring implementation in the Linux kernel did not ensure a data structure was initialized before referencing it after an error condition occurred. A local attacker could use this to cause a denial of service system crash. CVE-2016-4470 Kangjie Lu discovered an...

USN-3050-1: Linux kernel (OMAP4) vulnerabilities

Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPTSOSETREPLACE events. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...

USN-3049-1: Linux kernel vulnerabilities

Ben Hawkes discovered that the Linux netfilter implementation did not correctly perform validation when handling IPTSOSETREPLACE events. A local unprivileged attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privileges...

CentOS Update for kernel CESA-2016:1539 centos7

Check the version of kernel SPDX-FileCopyrightText: 2016 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 scriptoid"1.3.6.1.4.1.25623.1.0.882536";...

openSUSE Security Update : libidn (openSUSE-2016-925)

This libidn update to version 1.33 fixes the following issues : Security issues fixed : - CVE-2015-8948, CVE-2016-6262: Fixed an out-of-bounds-read when reading one zero byte as input bsc990189. - CVE-2016-6263: Fixed stringpreputf8nfkcnormalize to reject invalid UTF-8 bscboo990191. Included...

RedHat Update for kernel RHSA-2016:1539-01

The remote host is missing an update for the SPDX-FileCopyrightText: 2016 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...

VulnCheck KEV: CVE-2016-0728

The joinsessionkeyring function in security/keys/processkeys.c in the Linux kernel before 4.4.1 mishandles object references in a certain error case, which allows local users to gain privileges or cause a denial of service integer overflow and use-after-free via crafted keyctl commands...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20160802)

To see the complete list of bug fixes, users are directed to the related Knowledge Article : Security Fixes : - A flaw was found in the Linux kernel's keyring handling code, where in keyrejectandlink an uninitialised variable would eventually lead to arbitrary free address which could allow...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2016:1539 An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity...

RHEL 6 : MRG (RHSA-2016:1532)

An update for kernel-rt is now available for Red Hat Enterprise MRG 2.5. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

Important: Red Hat Security Advisory: kernel-rt security and bug fix update

An update for kernel-rt is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

kernel: Uninitialized variable in request_key handling causes kernel crash in error handling path

A flaw was found in the Linux kernel's keyring handling code: the keyrejectandlink function could be forced to free an arbitrary memory block. An attacker could use this flaw to trigger a use-after-free condition on the system, potentially allowing for privilege escalation...

Important: Red Hat Security Advisory: kernel security and bug fix update

An update for kernel is now available for Red Hat Enterprise Linux 7. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: Uninitialized variable in request_key handling causes kernel crash in error handling path

A flaw was found in the Linux kernel's keyring handling code: the keyrejectandlink function could be forced to free an arbitrary memory block. An attacker could use this flaw to trigger a use-after-free condition on the system, potentially allowing for privilege escalation...

Amazon Linux AMI : kernel (ALAS-2016-726)

It was found that nfsd is missing permissions check when setting ACL on files, this may allow a local users to gain access to any file by setting a crafted ACL. CVE-2016-1237 A flaw was found in the Linux kernel's keyring handling code, where in keyrejectandlink an uninitialised variable would...

CVE-2016-4470

A flaw was found in the Linux kernel's keyring handling code: the keyrejectandlink function could be forced to free an arbitrary memory block. An attacker could use this flaw to trigger a use-after-free condition on the system, potentially allowing for privilege escalation...

Arch Linux Security Layer: ArchStrike

Arch Linux Security Layer done the Arch Way optimized for i686, x8664, ARMv6, and ARMv7 An Arch Linux repository for security professionals and enthusiasts. Done the Arch Way and optimized for i686, x8664, ARMv6, and ARMv7. ArchStrike is a penetration testing and security layer on top of Arch...

Linux内核 Keyrings 引用计数溢出 UAF 漏洞

漏洞分析 Linux Kernel的这个漏洞会造成两个影响，第一个是造成信息泄露，可以bypass ASLR，另一个是UAF造成代码执行，利用的是KeyRing机制中的两个漏洞，一个是对Keyring操作控制不严谨，另一个是利用对Keyring计数变量控制不严谨，其中代码执行利用条件相对苛刻，下面对此漏洞进行详细分析。 Keyring信息泄露： Keyring和安全密钥有关，进程可以申请自己新的keyring，同时也可以通过申请新的keyring替换老的keyring，其中，调用到joinsessionkeyring函数。 long joinsessionkeyringconst cha...

SUSE-SU-2016:0751-1 Security update for kernel live patch 0

This kernel live patch for Linux Kernel 3.12.49-11.1 fixes three security issues: Fixes: - CVE-2016-0728: A reference leak in keyring handling with joinsessionkeyring could lead to local attackers gain root privileges. bsc962078. - CVE-2015-8660: The ovlsetattr function in fs/overlayfs/inode.c in...