Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free Privilege Escalation

// // EDB Note: More information http://seclists.org/oss-sec/2017/q1/471 // // A proof-of-concept local root exploit for CVE-2017-6074. // Includes a semireliable SMAP/SMEP bypass. // Tested on 4.4.0-62-generic 83-Ubuntu kernel. // https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-607...

Linux Kernel 4.4.0 (Ubuntu) - DCCP Double-Free (PoC)

// // EDB Note: More information http://seclists.org/oss-sec/2017/q1/471 // // A trigger for CVE-2017-6074, crashes kernel. // Tested on 4.4.0-62-generic 83-Ubuntu kernel. // https://github.com/xairy/kernel-exploits/tree/master/CVE-2017-6074 // // Andrey Konovalov define GNUSOURCE include include...

kernel security update

CentOS Errata and Security Advisory CESA-2017:0323 An update for kernel is now available for Red Hat Enterprise Linux 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...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 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 th...

kernel: use after free in dccp protocol

A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol DCCP implementation freed SKB socket buffer resources for a DCCPPKTREQUEST packet when the IPV6RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the...

kernel: use after free in dccp protocol

A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol DCCP implementation freed SKB socket buffer resources for a DCCPPKTREQUEST packet when the IPV6RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the...

Important: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 6.6 Advanced Update Support and Red Hat Enterprise Linux 6.6 Telco Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base...

Unbreakable Enterprise kernel security update

2.6.39-400.294.3 - dccp: fix freeing skb too early for IPV6RECVPKTINFO Andrey Konovalov Orabug: 25598277 CVE-2017-6074...

Unbreakable Enterprise kernel security update

kernel-uek 3.8.13-118.16.4 - dccp: fix freeing skb too early for IPV6RECVPKTINFO Andrey Konovalov CVE-2017-6074...

Oracle Linux 6 : kernel (ELSA-2017-0307)

The remote Oracle Linux 6 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2017-0307 advisory. - net dccp: fix freeing skb too early for IPV6RECVPKTINFO Hannes Frederic Sowa 1424626 1424628 CVE-2017-6074 - net sctp: validate chunk len before...

Scientific Linux Security Update : kernel on SL7.x x86_64 (20170222)

Security Fixes : - A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol DCCP implementation freed SKB socket buffer resources for a DCCPPKTREQUEST packet when the IPV6RECVPKTINFO option is set on the socket. A local, unprivileged user could use this...

Scientific Linux Security Update : kernel on SL6.x i386/x86_64 (20170222)

Security Fixes : - A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol DCCP implementation freed SKB socket buffer resources for a DCCPPKTREQUEST packet when the IPV6RECVPKTINFO option is set on the socket. A local, unprivileged user could use this...

RHEL 6 : kernel (RHSA-2017:0316)

An update for kernel is now available for Red Hat Enterprise Linux 6.7 Extended Update Support. 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...

kernel: use after free in dccp protocol

A use-after-free flaw was found in the way the Linux kernel's Datagram Congestion Control Protocol DCCP implementation freed SKB socket buffer resources for a DCCPPKTREQUEST packet when the IPV6RECVPKTINFO option is set on the socket. A local, unprivileged user could use this flaw to alter the...

Impact of New Linux Kernel DCCP Vulnerability Limited

Linux providers are busy developing and pushing out patches for a vulnerability in an obscure networking protocol that could allow a local attacker to crash the kernel and elevate privileges. Google software engineer Andrey Konovalov privately disclosed the vulnerability on Monday. The...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2017:0294 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...

kernel, perf, python security update

CentOS Errata and Security Advisory CESA-2017:0293 An update for kernel is now available for Red Hat Enterprise Linux 6. 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...

Lurking in 11 years of Linux kernel to mention the right vulnerability-exposure-vulnerability warning-the black bar safety net

Vulnerability number CVE-2017-6074 Vulnerability overview The Linux kernel recently also exposed a privilege escalation vulnerability that can be traced back to 2005, the vulnerabilities affect the Linux operating system major releases, including Redhat, Debian, OpenSUSE and Ubuntu. Using this...

Linux kernel DCCP double-free vulnerability（CVE-2017-6074）

This is an announcement about CVE-2017-6074 1 which is a double-free vulnerability I found in the Linux kernel. It can be exploited to gain kernel code execution from an unprivileged processes. Fixed on Feb 17, 2017:...

Oracle Linux 6 : kernel (ELSA-2017-0293)

The remote Oracle Linux 6 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2017-0293 advisory. 2.6.32-642.13.2 - net dccp: fix freeing skb too early for IPV6RECVPKTINFO Hannes Frederic Sowa 1424626 1424628 CVE-2017-6074 Tenable has extracted the preceding...