--===============2733579778374964300== Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="BFVE2HhgxTpCzM8t" Content-Disposition: inline
--BFVE2HhgxTpCzM8t Content-Type: text/plain; charset=us-ascii Content-Disposition: inline
========================================================================== Ubuntu Security Notice USN-2967-1 May 09, 2016
linux vulnerabilities ==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 12.04 LTS
Summary:
Several security issues were fixed in the kernel.
Software Description: - linux: Linux kernel
Details:
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)
Ralf Spenneberg discovered that the Aiptek Tablet USB device driver in the Linux kernel did not properly sanity check the endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2015-7515)
Ralf Spenneberg discovered that the USB driver for Clie devices in the Linux kernel did not properly sanity check the endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2015-7566)
Ralf Spenneberg discovered that the usbvision driver in the Linux kernel did not properly sanity check the interfaces and endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2015-7833)
It was discovered that a race condition existed when handling heartbeat- timeout events in the SCTP implementation of the Linux kernel. A remote attacker could use this to cause a denial of service. (CVE-2015-8767)
Venkatesh Pottem discovered a use-after-free vulnerability in the Linux kernel's CXGB3 driver. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2015-8812)
It was discovered that a race condition existed in the ioctl handler for the TTY driver in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or expose sensitive information. (CVE-2016-0723)
It was discovered that the Linux kernel did not keep accurate track of pipe buffer details when error conditions occurred, due to an incomplete fix for CVE-2015-1805. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code with administrative privileges. (CVE-2016-0774)
Zach Riggle discovered that the Linux kernel's list poison feature did not take into account the mmap_min_addr value. A local attacker could use this to bypass the kernel's poison-pointer protection mechanism while attempting to exploit an existing kernel vulnerability. (CVE-2016-0821)
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)
Dmitry Vyukov discovered that the Advanced Linux Sound Architecture (ALSA) framework did not verify that a FIFO was attached to a client before attempting to clear it. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-2543)
Dmitry Vyukov discovered that a race condition existed in the Advanced Linux Sound Architecture (ALSA) framework between timer setup and closing of the client, resulting in a use-after-free. A local attacker could use this to cause a denial of service. (CVE-2016-2544)
Dmitry Vyukov discovered a race condition in the timer handling implementation of the Advanced Linux Sound Architecture (ALSA) framework, resulting in a use-after-free. A local attacker could use this to cause a denial of service (system crash). (CVE-2016-2545)
Dmitry Vyukov discovered race conditions in the Advanced Linux Sound Architecture (ALSA) framework's timer ioctls leading to a use-after-free. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2016-2546)
Dmitry Vyukov discovered that the Advanced Linux Sound Architecture (ALSA) framework's handling of high resolution timers did not properly manage its data structures. A local attacker could use this to cause a denial of service (system hang or crash) or possibly execute arbitrary code. (CVE-2016-2547, CVE-2016-2548)
Dmitry Vyukov discovered that the Advanced Linux Sound Architecture (ALSA) framework's handling of high resolution timers could lead to a deadlock condition. A local attacker could use this to cause a denial of service (system hang). (CVE-2016-2549)
Ralf Spenneberg discovered that the USB driver for Treo devices in the Linux kernel did not properly sanity check the endpoints reported by the device. An attacker with physical access could cause a denial of service (system crash). (CVE-2016-2782)
It was discovered that the Linux kernel did not enforce limits on the amount of data allocated to buffer pipes. A local attacker could use this to cause a denial of service (resource exhaustion). (CVE-2016-2847)
Update instructions:
The problem can be corrected by updating your system to the following package versions:
Ubuntu 12.04 LTS: linux-image-3.2.0-102-generic 3.2.0-102.142 linux-image-3.2.0-102-generic-pae 3.2.0-102.142 linux-image-3.2.0-102-highbank 3.2.0-102.142 linux-image-3.2.0-102-omap 3.2.0-102.142 linux-image-3.2.0-102-powerpc-smp 3.2.0-102.142 linux-image-3.2.0-102-powerpc64-smp 3.2.0-102.142 linux-image-3.2.0-102-virtual 3.2.0-102.142
After a standard system update you need to reboot your computer to make all the necessary changes.
ATTENTION: Due to an unavoidable ABI change the kernel updates have 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.
References: http://www.ubuntu.com/usn/usn-2967-1 CVE-2013-4312, CVE-2015-7515, CVE-2015-7566, CVE-2015-7833, CVE-2015-8767, CVE-2015-8812, CVE-2016-0723, CVE-2016-0774, CVE-2016-0821, CVE-2016-2069, CVE-2016-2543, CVE-2016-2544, CVE-2016-2545, CVE-2016-2546, CVE-2016-2547, CVE-2016-2548, CVE-2016-2549, CVE-2016-2782, CVE-2016-2847
Package Information: https://launchpad.net/ubuntu/+source/linux/3.2.0-102.142
--BFVE2HhgxTpCzM8t Content-Type: application/pgp-signature; name="signature.asc"
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1
iQIcBAEBCgAGBQJXMREWAAoJEC8Jno0AXoH0e6UQAJSGVd+rsOEwm3tEHuW2ptjc QqopOvL6z6yGl0za2voVK9S3gMqhMPLasA/gqavggV+OMMFKMD1kTZf5PwyPq4zW LciZk2WtKml31tOevJdCqKOiCJKbtT2drQh9g/bjtnVjVy5sc6knZyl2YJ2LjtIs hxVRco1Mi26a7c2wTtoFq1UanHs4aM8Uyo8p0qk4p+ZKDfUsxjghrmMhZz3pPnA5 842Q5WYaBcPhi7Nm6X8GF27fHrtxz4sBVHB/UOUpZjF8G9dkqLgxzls1p+W9JeaE MOmVlKG9hvuaixugc67rDNdRuO9H/rezEeegh7yR4pkzBMihA+HO7IjsMmGxXfuK TAWPCFCt100NIXbC0OB0xuy10ejlNacX8vB7DjuaLWrUTUXmJtyi9MkSh32Nj/bs GON77ozR+jINYYbTDdhHkmgiPVKHo0uXr2N4SSmZkXQ9Tgw3CC6ywkKlxB7xBSW5 ELHsdS5PQkh2hG2uFDhAm81VlVbVGFq7tO65vwpQvVyMO/NNLyUnv4+Qr9kICZUM hBLo5qvDc/M1Mz/QmiM4M26pt9AU1/HL2jXUtUBZkG5broVI5xtnFc2V0TqUc9f8 BZTcnSVlaHfM5hn7jMcsDwXo7CZ+TZDnvuVB1aRm7zpOw+EqC3ec01+H/pYCaPPt D/Bi6g3ZiRdC/ixoUCoW =wfat -----END PGP SIGNATURE-----
--BFVE2HhgxTpCzM8t--
--===============2733579778374964300== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline
-- ubuntu-security-announce mailing list ubuntu-security-announce@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-security-announce
--===============2733579778374964300==--
|