========================================================================== Ubuntu Security Notice USN-3342-1 June 29, 2017 linux, linux-raspi2 vulnerabilities ========================================================================== A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 16.10 Summary: Several security issues were fixed in the Linux kernel. Software Description: - linux: Linux kernel - linux-raspi2: Linux kernel for Raspberry Pi 2 Details: USN 3326-1 fixed a vulnerability in the Linux kernel. However, that fix introduced regressions for some Java applications. This update addresses the issue. We apologize for the inconvenience. It was discovered that a use-after-free flaw existed in the filesystem encryption subsystem in the Linux kernel. A local attacker could use this to cause a denial of service (system crash). (CVE-2017-7374) Roee Hay discovered that the parallel port printer driver in the Linux kernel did not properly bounds check passed arguments. A local attacker with write access to the kernel command line arguments could use this to execute arbitrary code. (CVE-2017-1000363) Ingo Molnar discovered that the VideoCore DRM driver in the Linux kernel did not return an error after detecting certain overflows. A local attacker could exploit this issue to cause a denial of service (OOPS). (CVE-2017-5577) Li Qiang discovered that an integer overflow vulnerability existed in the Direct Rendering Manager (DRM) driver for VMWare devices in the Linux kernel. A local attacker could use this to cause a denial of service (system crash) or possibly execute arbitrary code. (CVE-2017-7294) It was discovered that a double-free vulnerability existed in the IPv4 stack of the Linux kernel. An attacker could use this to cause a denial of service (system crash). (CVE-2017-8890) Andrey Konovalov discovered an IPv6 out-of-bounds read error in the Linux kernel's IPv6 stack. A local attacker could cause a denial of service or potentially other unspecified problems. (CVE-2017-9074) Andrey Konovalov discovered a flaw in the handling of inheritance in the Linux kernel's IPv6 stack. A local user could exploit this issue to cause a denial of service or possibly other unspecified problems. (CVE-2017-9075) It was discovered that dccp v6 in the Linux kernel mishandled inheritance. A local attacker could exploit this issue to cause a denial of service or potentially other unspecified problems. (CVE-2017-9076) It was discovered that the transmission control protocol (tcp) v6 in the Linux kernel mishandled inheritance. A local attacker could exploit this issue to cause a denial of service or potentially other unspecified problems. (CVE-2017-9077) It was discovered that the IPv6 stack in the Linux kernel was performing its over write consistency check after the data was actually overwritten. A local attacker could exploit this flaw to cause a denial of service (system crash). (CVE-2017-9242) Update instructions: The problem can be corrected by updating your system to the following package versions: Ubuntu 16.10: linux-image-4.8.0-1042-raspi2 4.8.0-1042.46 linux-image-4.8.0-58-generic 4.8.0-58.63 linux-image-4.8.0-58-generic-lpae 4.8.0-58.63 linux-image-4.8.0-58-lowlatency 4.8.0-58.63 linux-image-4.8.0-58-powerpc-e500mc 4.8.0-58.63 linux-image-4.8.0-58-powerpc-smp 4.8.0-58.63 linux-image-4.8.0-58-powerpc64-emb 4.8.0-58.63 linux-image-generic 4.8.0.58.71 linux-image-generic-lpae 4.8.0.58.71 linux-image-lowlatency 4.8.0.58.71 linux-image-powerpc-e500mc 4.8.0.58.71 linux-image-powerpc-smp 4.8.0.58.71 linux-image-powerpc64-emb 4.8.0.58.71 linux-image-powerpc64-smp 4.8.0.58.71 linux-image-raspi2 4.8.0.1042.46 linux-image-virtual 4.8.0.58.71 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: https://www.ubuntu.com/usn/usn-3342-1 https://www.ubuntu.com/usn/usn-3326-1 https://launchpad.net/bugs/1699772 CVE-2017-1000363, CVE-2017-5577, CVE-2017-7294, CVE-2017-7374, CVE-2017-8890, CVE-2017-9074, CVE-2017-9075, CVE-2017-9076, CVE-2017-9077, CVE-2017-9242 Package Information: https://launchpad.net/ubuntu/+source/linux/4.8.0-58.63 https://launchpad.net/ubuntu/+source/linux-raspi2/4.8.0-1042.46 --xs+9IvWevLaxKUtW -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBCgAGBQJZVLSUAAoJEC8Jno0AXoH0xyAP/0Gv3+6gEIQtQxw4DXT2Lx/W 9vQXHpHid7dvC1cSErTLgSKl9oGmQGdVsN4oGqaqLKJCIDnCEZ55fhdAfvHgdKWl F0nkrE0Sn2VUYEcPOxJamoDhyQj2w/jqOvWGllVdVQfe5/pmPJHh4LvfvdrZqrir NEld3x1slrp1nn914Pu8Yiknv1dAiXV5TuL9iNQEZfD0N0AfKfhizyPZzpQfJV1w BKbAY/r6nWaN6RDxX3Rb/j47uk0hJXnlIm4cVWpitZ9rSKr2Ipf5hun6ZVI2Bg5Z xN0VExEs7YD/9aj/0KVlIOi7noIN/b0Y0XwOg/AyeknhNbAnappybqwjSxz3UNcw XLmx03M32FHAOvXwQEN9e0KZiSxIetKb0Qohy9xqD6xj4HGfr9G1Yzu6zjVXgzxy QyEIT0Zsit7s2SpvdePc2WM7+cJTA9qishgL/BQlKIKl6XVuk7F3BuWvThGCQxCC CpeBio/WmiYVlV/k65a08mfk3OPPGhkXvQj5yoICwdhkBDsjLADUhwPAZR1HLTB4 GSaQHaJIeDQ2oHcLY9cfW+wrdbUATCyFYgZrT2utnAYRYC/o1OT1U51xYwh4R0Dm u+KUS+qBkUmZ7GnPCRCBjX+95Mrnp+OqCLJEaWcVf8t3F2R3oFx2slseyZFMiZj8 RkTcQGr/s+gmCn8mnrTb =hKL6 -----END PGP SIGNATURE----- --xs+9IvWevLaxKUtW--