UBUNTU-CVE-2016-6888

Integer overflow in the nettxpktinit function in hw/net/nettxpkt.c in QEMU aka Quick Emulator allows local guest OS administrators to cause a denial of service QEMU process crash via the maximum fragmentation count, which triggers an unchecked multiplication and NULL pointer dereference...

Apple Mac OSX Kernel - NULL Dereference in IOAccelSharedUserClient2::page_off_resource

Apple Mac OSX Kernel - NULL Dereference in IOAccelSharedUserClient2::pageoffresource / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=778 IOAccelerator external method IOAccelSharedUserClient2::pageoffresource uses the pointer at this+0x100 without checking if it's NULL. A seri...

Apple Mac OSX Kernel - NULL Dereference in CoreCaptureResponder Due to Unchecked Return Value

Apple Mac OSX Kernel - NULL Dereference in CoreCaptureResponder Due to Unchecked Return Value / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=777 Pretty much all the external methods of CoreCaptureUserClient call CoreCaptureUserClient::stashGet passing an attacker controlled...

Apple Mac OSX - Kernel Exploitable NULL Dereference in CoreCaptureResponder Due to Unchecked Return

Exploit for macOS platform in category dos / poc / Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=777 Pretty much all the external methods of CoreCaptureUserClient call CoreCaptureUserClient::stashGet passing an attacker controlled key. If that key isn't in the list of stashed...

Apple Mac OSX Kernel - NULL Dereference in IOAccelSharedUserClient2::page_off_resource

/ Source: https://bugs.chromium.org/p/project-zero/issues/detail?id=778 IOAccelerator external method IOAccelSharedUserClient2::pageoffresource uses the pointer at this+0x100 without checking if it's NULL. A series of dereferences from this pointer lead to trivial RIP control. We can race two...

Unbreakable Enterprise kernel security update

kernel-uek 2.6.32-400.37.17 - net: add validation for the socket syscall protocol argument Hannes Frederic Sowa Orabug: 23267965 CVE-2015-8543 CVE-2015-8543 - ext4: Fix null dereference in ext4fillsuper Ben Hutchings Orabug: 23263398 CVE-2015-8324 CVE-2015-8324 - ipv6: addrconf: validate new MTU...

Fedora 23 : krb5-1.14.1-3.fc23 (2016-56840babc3)

CVE-2016-3119, NULL dereference in LDAP module. ---- Fix an issue with return codes on gssinquireattrsformech. This resolves an issue with gss-ntlmssp, and anything else that is interposing but not implementing the corresponding mechglue function. Note that Tenable Network Security has extracted...

Apple Mac OSX - IOSCSIPeripheralDeviceType00 Userclient Type 12 Kernel NULL Dereference

Apple Mac OSX - IOSCSIPeripheralDeviceType00 Userclient Type 12 Kernel NULL Dereference / Source: https://code.google.com/p/google-security-research/issues/detail?id=562 Opening userclient type 12 of IOSCSIPeripheralDeviceType00 leads to an exploitable kernel NULL dereference. Tested on OS X 10.1...

Apple Mac OSX - IntelAccelerator::gstqConfigure Kernel NULL Dereference

Apple Mac OSX - IntelAccelerator::gstqConfigure Kernel NULL Dereference / Source: https://code.google.com/p/google-security-research/issues/detail?id=595 The field at IntelAccelerator+0xe60 is a pointer to a GSTContextKernel allocated in the ::gstqCreateInfoMethod. In the ::start method this fiel...

Apple Mac OSX - IOSCSIPeripheralDeviceType00 Userclient Type 12 Exploitable Kernel NULL Dereference

Exploit for macOS platform in category dos / poc / Source: https://code.google.com/p/google-security-research/issues/detail?id=562 Opening userclient type 12 of IOSCSIPeripheralDeviceType00 leads to an exploitable kernel NULL dereference. Tested on OS X 10.11 ElCapitan 15a284 on MacBookAir5,2 / /...

Apple Mac OSX - IntelAccelerator::gstqConfigure Exploitable Kernel NULL Dereference

Exploit for macOS platform in category dos / poc / Source: https://code.google.com/p/google-security-research/issues/detail?id=595 The field at IntelAccelerator+0xe60 is a pointer to a GSTContextKernel allocated in the ::gstqCreateInfoMethod. In the ::start method this field is initialized to NUL...

Apple Mac OSX - 'IntelAccelerator::gstqConfigure' Kernel NULL Dereference

/ Source: https://code.google.com/p/google-security-research/issues/detail?id=595 The field at IntelAccelerator+0xe60 is a pointer to a GSTContextKernel allocated in the ::gstqCreateInfoMethod. In the ::start method this field is initialized to NULL. The IGAccelDevice external method gstconfigure...

Apple Mac OSX - IOSCSIPeripheralDeviceType00 Userclient Type 12 Kernel NULL Dereference

/ Source: https://code.google.com/p/google-security-research/issues/detail?id=562 Opening userclient type 12 of IOSCSIPeripheralDeviceType00 leads to an exploitable kernel NULL dereference. Tested on OS X 10.11 ElCapitan 15a284 on MacBookAir5,2 / // ianbeer // clang -o scsiperipheral...

Ubuntu: Security Advisory (USN-2854-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2015 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 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-2854-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2854-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

Ubuntu 14.04 LTS : Linux kernel vulnerabilities (USN-2848-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2848-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

Ubuntu 12.04 LTS : linux vulnerabilities (USN-2846-1)

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

Ubuntu 12.04 LTS : linux-lts-trusty vulnerabilities (USN-2847-1)

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...

Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerabilities (USN-2849-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2849-1 advisory. Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the...

Ubuntu 15.10 : linux vulnerabilities (USN-2851-1)

Felix Wilhelm discovered a race condition in the Xen paravirtualized drivers which can cause double fetch vulnerabilities. An attacker in the paravirtualized guest could exploit this flaw to cause a denial of service crash the host or potentially execute arbitrary code on the host. CVE-2015-8550...