USN-3485-2: Linux kernel (Xenial HWE) vulnerabilities<\/p>\n
21st November, 2017<\/em><\/p>\n A security issue affects these releases of Ubuntu and its Several security issues were fixed in the Linux kernel.\n<\/p>\n USN-3485-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04 It was discovered that a race condition existed in the ALSA subsystem of Eric Biggers discovered that the key management subsystem in the Linux It was discovered that a race condition existed in the packet fanout Eric Biggers discovered a race condition in the key management subsystem of Andrey Konovalov discovered a use-after-free vulnerability in the USB Andrey Konovalov discovered that the Ultra Wide Band driver in the Linux Andrey Konovalov discovered that the ALSA subsystem in the Linux kernel Andrey Konovalov discovered that the ALSA subsystem in the Linux kernel did Andrey Konovalov discovered that the USB unattached storage driver in the Andrey Konovalov discovered that the USB subsystem in the Linux kernel did Andrey Konovalov discovered that the USB subsystem in the Linux kernel did Andrey Konovalov discovered that the USB subsystem in the Linux kernel did Andrey Konovalov discovered that the USB subsystem in the Linux kernel did The problem can be corrected by updating your system to the following To update your system, please follow these instructions: After a standard system update you need to reboot your computer to make ATTENTION: Due to an unavoidable ABI change the kernel updates have CVE-2017-15265<\/a>, <\/p>\n CVE-2017-15299<\/a>, <\/p>\n CVE-2017-15649<\/a>, <\/p>\n CVE-2017-15951<\/a>, <\/p>\n CVE-2017-16525<\/a>, <\/p>\n CVE-2017-16526<\/a>, <\/p>\n CVE-2017-16527<\/a>, <\/p>\n CVE-2017-16529<\/a>, <\/p>\n CVE-2017-16530<\/a>, <\/p>\n CVE-2017-16531<\/a>, <\/p>\n CVE-2017-16533<\/a>, <\/p>\n CVE-2017-16534<\/a>, <\/p>\n CVE-2017-16535<\/a><\/p>\n Source: USN-3485-2: Linux kernel (Xenial HWE) vulnerabilities<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" USN-3485-2: Linux kernel (Xenial HWE) vulnerabilities Ubuntu Security Notice USN-3485-2 21st November, 2017 linux-lts-xenial vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 LTS Summary Several security issues were fixed in the Linux kernel. Software description linux-lts-xenial – Linux hardware enablement kernel from Xenial for Trusty Details USN-3485-1 fixed vulnerabilities in the Linux kernel for Ubuntu 16.04LTS. This update provides the corresponding updates for the LinuxHardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu14.04 LTS. It was discovered that a race condition existed in the ALSA subsystem ofthe Linux kernel when creating and deleting a port via ioctl(). A localattacker could use this to cause a denial of service (system crash) orpossibly execute arbitrary code. (CVE-2017-15265) Eric Biggers discovered that the key management subsystem in the Linuxkernel did not properly restrict adding a key [ more… ]<\/a><\/p>\n<\/div>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[586],"tags":[587],"class_list":["post-20551","post","type-post","status-publish","format-standard","hentry","category-ubuntu-usn","tag-ubuntu-usn"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/20551","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/comments?post=20551"}],"version-history":[{"count":1,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/20551\/revisions"}],"predecessor-version":[{"id":20552,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/posts\/20551\/revisions\/20552"}],"wp:attachment":[{"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/media?parent=20551"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/categories?post=20551"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jirak.net\/wp\/wp-json\/wp\/v2\/tags?post=20551"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}linux-lts-xenial vulnerabilities<\/h3>\n
\n derivatives:<\/p>\n\n
Summary<\/h3>\n
Software description<\/h3>\n
\n
\n – Linux hardware enablement kernel from Xenial for Trusty<\/p>\n<\/li>\n<\/ul>\nDetails<\/h3>\n
LTS. This update provides the corresponding updates for the Linux
Hardware Enablement (HWE) kernel from Ubuntu 16.04 LTS for Ubuntu
14.04 LTS.<\/p>\n
the Linux kernel when creating and deleting a port via ioctl(). A local
attacker could use this to cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2017-15265<\/a>)<\/p>\n
kernel did not properly restrict adding a key that already exists but is
uninstantiated. A local attacker could use this to cause a denial of
service (system crash) or possibly execute arbitrary code. (CVE-2017-15299<\/a>)<\/p>\n
implementation in the Linux kernel. A local attacker could use this to
cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-15649<\/a>)<\/p>\n
the Linux kernel around keys in a negative state. A local attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2017-15951<\/a>)<\/p>\n
serial console driver in the Linux kernel. A physically proximate attacker
could use this to cause a denial of service (system crash) or possibly
execute arbitrary code. (CVE-2017-16525<\/a>)<\/p>\n
kernel did not properly check for an error condition. A physically
proximate attacker could use this to cause a denial of service (system
crash) or possibly execute arbitrary code. (CVE-2017-16526<\/a>)<\/p>\n
contained a use-after-free vulnerability. A local attacker could use this
to cause a denial of service (system crash) or possibly execute arbitrary
code. (CVE-2017-16527<\/a>)<\/p>\n
not properly validate USB audio buffer descriptors. A physically proximate
attacker could use this cause a denial of service (system crash) or
possibly execute arbitrary code. (CVE-2017-16529<\/a>)<\/p>\n
Linux kernel contained out-of-bounds error when handling alternative
settings. A physically proximate attacker could use to cause a denial of
service (system crash) or possibly execute arbitrary code. (CVE-2017-16530<\/a>)<\/p>\n
not properly validate USB interface association descriptors. A physically
proximate attacker could use this to cause a denial of service (system
crash). (CVE-2017-16531<\/a>)<\/p>\n
not properly validate USB HID descriptors. A physically proximate attacker
could use this to cause a denial of service (system crash).
(CVE-2017-16533<\/a>)<\/p>\n
not properly validate CDC metadata. A physically proximate attacker could
use this to cause a denial of service (system crash) or possibly execute
arbitrary code. (CVE-2017-16534<\/a>)<\/p>\n
not properly validate USB BOS metadata. A physically proximate attacker
could use this to cause a denial of service (system crash).
(CVE-2017-16535<\/a>)<\/p>\nUpdate instructions<\/h3>\n
\npackage version:<\/p>\n\n
\n
\n 4.4.0.101.84<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0.101.84<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0-101.124~14.04.1<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0-101.124~14.04.1<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0-101.124~14.04.1<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0-101.124~14.04.1<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0.101.84<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0.101.84<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0-101.124~14.04.1<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0.101.84<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0.101.84<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0-101.124~14.04.1<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0.101.84<\/a>
\n <\/span>\n <\/dd>\n
\n
\n 4.4.0-101.124~14.04.1<\/a>
\n <\/span>\n <\/dd>\n<\/dl>\n
\nhttps:\/\/wiki.ubuntu.com\/Security\/Upgrades<\/a>.\n<\/p>\n
all the necessary changes.<\/p>\n
been given a new version number, which requires you to recompile and
reinstall all third party kernel modules you might have installed.
Unless you manually uninstalled the standard kernel metapackages
(e.g. linux-generic, linux-generic-lts-RELEASE, linux-virtual,
linux-powerpc), a standard system upgrade will automatically perform
this as well.<\/p>\nReferences<\/h3>\n