USN-2910-2: Linux kernel (Vivid HWE) regression

USN-2910-1 fixed vulnerabilities in the Ubuntu 15.04 Linux kernel backported to Ubuntu 14.04 LTS. An incorrect locking fix caused a regression that broke graphics displays for Ubuntu 14.04 LTS guests running the Ubuntu 15.04 backport kernel within VMWare virtual machines. This update fixes the...

Ubuntu 14.04 LTS : Linux kernel (Wily HWE) vulnerabilities (USN-2908-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2908-2 advisory. halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged...

Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-2910-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2910-1 advisory. halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged...

USN-2910-1: Linux kernel (Vivid HWE) vulnerabilities

halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. CVE-2016-1576 halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security...

USN-2907-2: Linux kernel (Trusty HWE) vulnerabilities

halfdog discovered that OverlayFS, when mounting on top of a FUSE mount, incorrectly propagated file attributes, including setuid. A local unprivileged attacker could use this to gain privileges. CVE-2016-1576 halfdog discovered that OverlayFS in the Linux kernel incorrectly propagated security...

USN-2889-2: Linux kernel (Vivid HWE) vulnerabilities

It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...

USN-2887-2: Linux kernel (Trusty HWE) vulnerabilities

It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollctl calls to cause a denial of service system crash or expose sensitive information. CVE-2013-7446 It was discovered that the KVM implementation ...

Ubuntu 14.04 LTS : Linux kernel (Wily HWE) vulnerabilities (USN-2890-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2890-2 advisory. It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollc...

Ubuntu 14.04 LTS : Linux kernel (Vivid HWE) vulnerabilities (USN-2889-2)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-2889-2 advisory. It was discovered that a use-after-free vulnerability existed in the AFUNIX implementation in the Linux kernel. A local attacker could use crafted epollc...

Ubuntu 14.04 LTS : Linux kernel (Utopic HWE) vulnerability (USN-2873-1)

The remote Ubuntu 14.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-2873-1 advisory. Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A...

USN-2870-2: Linux kernel (Trusty HWE) vulnerability

Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2872-2: Linux kernel (Wily HWE) vulnerability

Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2871-2: Linux kernel (Vivid HWE) vulnerability

Yevgeny Pats discovered that the session keyring implementation in the Linux kernel did not properly reference count when joining an existing session keyring. A local attacker could use this to cause a denial of service system crash or possibly execute arbitrary code with administrative privilege...

USN-2857-2: Linux kernel (Vivid HWE) vulnerability

Nathan Williams discovered that overlayfs in the Linux kernel incorrectly handled setattr operations. A local unprivileged attacker could use this to create files with administrative permission attributes and execute arbitrary code with elevated privileges...

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 (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...

USN-2854-1: Linux kernel (Vivid HWE) vulnerabilities

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...

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

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...

USN-2847-1: Linux kernel (Trusty HWE) vulnerabilities

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...

USN-2843-2: Linux kernel (Wily HWE) vulnerabilities

Jan Beulich discovered that the KVM svm hypervisor implementation in the Linux kernel did not properly catch Debug exceptions on AMD processors. An attacker in a guest virtual machine could use this to cause a denial of service system crash in the host OS. CVE-2015-8104 郭永刚 discovered that the pp...