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Linux kernel (Wily HWE) vulnerabilities

Description

## Releases * Ubuntu 14.04 ESM ## Packages * linux-lts-wily \- Linux hardware enablement kernel from Wily 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 sensitive extended attributes, such as POSIX ACLs. A local unprivileged attacker could use this to gain privileges. (CVE-2016-1575) It was discovered that the Linux kernel did not properly enforce rlimits for file descriptors sent over UNIX domain sockets. A local attacker could use this to cause a denial of service. (CVE-2013-4312) It was discovered that the Linux kernel's Filesystem in Userspace (FUSE) implementation did not handle initial zero length segments properly. A local attacker could use this to cause a denial of service (unkillable task). (CVE-2015-8785) Andy Lutomirski discovered a race condition in the Linux kernel's translation lookaside buffer (TLB) handling of flush events. A local attacker could use this to cause a denial of service or possibly leak sensitive information. (CVE-2016-2069)


Affected Package


OS OS Version Package Name Package Version
Ubuntu 14.04 linux-image-4.2.0-30-generic 4.2.0-30.35~14.04.1
Ubuntu 14.04 linux-image-4.2.0-30-generic-lpae 4.2.0-30.35~14.04.1
Ubuntu 14.04 linux-image-4.2.0-30-lowlatency 4.2.0-30.35~14.04.1
Ubuntu 14.04 linux-image-4.2.0-30-powerpc-e500mc 4.2.0-30.35~14.04.1
Ubuntu 14.04 linux-image-4.2.0-30-powerpc-smp 4.2.0-30.35~14.04.1
Ubuntu 14.04 linux-image-4.2.0-30-powerpc64-emb 4.2.0-30.35~14.04.1
Ubuntu 14.04 linux-image-4.2.0-30-powerpc64-smp 4.2.0-30.35~14.04.1

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