CVE-2017-1000112

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

CVE-2017-1000112

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

Memory corruption

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

CVE-2017-1000112: Concurrent Execution using Shared Resource with Improper Synchronization

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

CVE-2017-1000112

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

CVE-2017-1000112

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

CVE-2017-1000112

CVE-2017-1000112 describes a local memory corruption in the Linux kernel UFO (UDP Fragmentation Offload) path. In ip_ufo_append_data() the code can flip from UFO to non-UFO between two send() calls, causing negative copy calculations, fragmentation, and ultimately skb_copy_and_csum_bits() writing...

Fedora 26 : kernel (2017-4336d64e21)

The 4.12.8 stable kernel update contains a number of important fixes across the tree. Note that Tenable Network Security has extracted the preceding description block directly from the Fedora update system website. Tenable has attempted to automatically clean and format it as much as possible...

Updated kernel-tmb packages fixes security and other bugs

This kernel-tmb update is based on upstream 4.9.43 and fixes at least the following security issues: The curseg-segno call in f2fs driver can be malformed so that it will have a value that triggers an out of boundary write that could cause memory corruption on the affected devices, leading to cod...

Virtuozzo 7 : readykernel-patch (VZA-2017-071)

According to the version of the vzkernel package and the readykernel-patch installed, the Virtuozzo installation on the remote host is affected by the following vulnerabilities : - A race condition issue leading to a use-after-free flaw was found in the way the raw packet sockets are implemented ...

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch(CVE-2017-1000112)

Bug details When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In case UFO packet lengths exceeds MTU, copy = maxfraglen - skb-len...

USN-3384-2: Linux kernel (HWE) vulnerabilities

USN-3384-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement HWE kernel from Ubuntu 17.04 for Ubuntu 16.04 LTS. Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload UFO code in the...

USN-3384-1: Linux kernel vulnerabilities

Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload UFO code in the Linux kernel. A local attacker could use this to cause a denial of service or execute arbitrary code. CVE-2017-1000112 Andrey Konovalov discovered a race condition in AFPACKET socket option handling code...

Amazon Linux AMI : kernel (ALAS-2017-868)

Exploitable memory corruption due to UFO to non-UFO path switch CVE-2017-1000112 heap out-of-bounds in AFPACKET sockets CVE-2017-1000111 The mqnotify function in the Linux kernel does not set the sock pointer to NULL upon entry into the retry logic. During a user-space close of a Netlink socket, ...

Ubuntu 16.04 LTS : Linux kernel (HWE) vulnerabilities (USN-3384-2)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3384-2 advisory. USN-3384-1 fixed vulnerabilities in the Linux kernel for Ubuntu 17.04. This update provides the corresponding updates for the Linux Hardware Enablement H...

Ubuntu 16.04 LTS : Linux kernel vulnerabilities (USN-3385-1)

The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-3385-1 advisory. Andrey Konovalov discovered a race condition in the UDP Fragmentation Offload UFO code in the Linux kernel. A local attacker could use this to cause a...

CVE-2017-1000112

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

UBUNTU-CVE-2017-1000112

Linux kernel: Exploitable memory corruption due to UFO to non-UFO path switch. When building a UFO packet with MSGMORE ipappenddata calls ipufoappenddata to append. However in between two send calls, the append path can be switched from UFO to non-UFO one, which leads to a memory corruption. In...

PT-2017-10816

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to the fixed version Description The issue is related to a memory corruption vulnerability due to a UFO to non-UFO path switch. This occurs when building a UFO packet with MSG MORE, and the append path can be switch...

Linux Kernel UDP Fragmentation Offset (UFO) Privilege Escalation

This module attempts to gain root privileges on Linux systems by abusing UDP Fragmentation Offload UFO. This exploit targets only systems using Ubuntu Trusty / Xenial kernels 4.4.0-21 use exploit/linux/local/ufo/privilegeescalation msf undefinedprivilegeescalation show actions ...actions... msf...