In LightDM through 1.22.0, a directory traversal issue in debian/guest-account.sh allows local attackers to own arbitrary directory path locations and escalate privileges to root when the guest user logs out.
Out-of-bounds kernel heap access vulnerability was found in xfrm, kernel's IP framework for transforming packets. An error dealing with netlink messages from unprivileged user leads to arbitrary read/write and privilege escalation.
Public disclosure on oss-security:
http://openwall.com/lists/oss-security/2017/03/29/2
http://seclists.org/oss-sec/2017/q1/689
Upstream patches:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=677e806da4d916052585301785d847c3b3e6186a
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f843ee6dd019bcece3e74e76ad9df0155655d0df
dmcrypt-get-device, as shipped in the eject package of Debian and Ubuntu, does not check the return value of the (1) setuid or (2) setgid function, which might cause dmcrypt-get-device to execute code, which was intended to run as an unprivileged user, as root. This affects eject through 2.1.5+deb1+cvs20081104-13.1 on Debian, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.10.1 on Ubuntu 16.10, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.16.04.1 on Ubuntu 16.04 LTS, eject before 2.1.5+deb1+cvs20081104-13.1ubuntu0.14.04.1 on Ubuntu 14.04 LTS, and eject before 2.1.5+deb1+cvs20081104-9ubuntu0.1 on Ubuntu 12.04 LTS.
A race condition was found in the way Linux kernel's memory subsystem handled breakage of the read only private mappings COW situation on write access.
An unprivileged local user could use this flaw to gain write access to otherwise read only memory mappings and thus increase their privileges on the system.
Red Hat is aware of this issue and if you have questions about the affectedness of your system please contact Red Hat Support. For additional information see https://access.redhat.com/security/vulnerabilities/2706661
Use-after-free vulnerability in pcsc-lite before 1.8.20 allows a remote attackers to cause denial of service (crash) via a command that uses "cardsList" after the handle has been released through the SCardReleaseContext function.
A heap-buffer overflow vulnerability was found in the arcmsriopmessagexfer() function in 'drivers/scsi/arcmsr/arcmsrhba.c' file in the Linux kernel through 4.8.2. The function does not restrict a certain length field, which allows local users to gain privileges or cause a denial of service via an ARCMSRMESSAGEWRITEWQBUFFER control code. This can potentially cause kernel heap corruption and arbitrary kernel code execution.
Upstream patch:
http://marc.info/?l=linux-scsi&m=147394713328707&w=2
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=7bc2b55a5c030685b399bb65b6baa9ccc3d1f167
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4bd173c30792791a6daca8c64793ec0a4ae8324f
Discussion thread:
http://marc.info/?t=147394719700004&r=1&w=2
References:
http://seclists.org/oss-sec/2016/q3/535
Avoid a memory leak in quantum management.
CVE assignment:
http://seclists.org/oss-sec/2016/q2/459
Upstream patch:
https://anonscm.debian.org/cgit/collab-maint/imagemagick.git/commit/?h=debian-patches/6.8.9.9-4-for-upstream&id=44675e8e48977bbeb1cafade861db2d777a5c7ae
coders/tiff.c in ImageMagick allows remote attackers to cause a denial of service (application crash) via vectors related to the "identification of image."
Fixed a memory leak in psd handling.
CVE assignment:
http://seclists.org/oss-sec/2016/q2/459
Upstream patch:
https://anonscm.debian.org/cgit/collab-maint/imagemagick.git/commit/?h=debian-patches/6.8.9.9-4-for-upstream&id=f9ef11671c41da4cf973d0d880af1cdfbd127860
Limit thread when thread limit is 0. It is a logic error that could lead to resource exhaustion.
CVE assignment:
http://seclists.org/oss-sec/2016/q2/459
Upstream patch:
https://anonscm.debian.org/cgit/collab-maint/imagemagick.git/commit/?h=debian-patches/6.8.9.9-4-for-upstream&id=2257d1eadd02d89d225fce21013a1219d221dc7d
Avoid a crash in png coder due to uninitialized pointer.
CVE assignment:
http://seclists.org/oss-sec/2016/q2/459
Upstream patch:
https://anonscm.debian.org/cgit/collab-maint/imagemagick.git/commit/?h=debian-patches/6.8.9.9-4-for-upstream&id=6330ab1048b62ab34e957447d81e35e1dde60d2e
ImageMagick 6.8.9.9 allows remote attackers to cause a denial of service (application crash).