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Oracle alert ELSA-2011-2033 (unbreakable kernel)

From:  Errata Announcements for Oracle Linux <>
Subject:  [El-errata] ELSA-2011-2033 Important: Oracle Linux 6 Unbreakable Enterprise kernel security update
Date:  Mon, 28 Nov 2011 09:31:08 -0800
Message-ID:  <>
Archive-link:  Article, Thread

Oracle Linux Security Advisory ELSA-2011-2033 The following updated rpms for Oracle Linux 6 have been uploaded to the Unbreakable Linux Network: i386: kernel-uek-firmware-2.6.32-200.23.1.el6uek.noarch.rpm kernel-uek-doc-2.6.32-200.23.1.el6uek.noarch.rpm kernel-uek-2.6.32-200.23.1.el6uek.i686.rpm kernel-uek-headers-2.6.32-200.23.1.el6uek.i686.rpm kernel-uek-devel-2.6.32-200.23.1.el6uek.i686.rpm kernel-uek-debug-devel-2.6.32-200.23.1.el6uek.i686.rpm kernel-uek-debug-2.6.32-200.23.1.el6uek.i686.rpm ofa-2.6.32-200.23.1.el6uek-1.5.1-4.0.47.i686.rpm ofa-2.6.32-200.23.1.el6uekdebug-1.5.1-4.0.47.i686.rpm x86_64: kernel-uek-firmware-2.6.32-200.23.1.el6uek.noarch.rpm kernel-uek-doc-2.6.32-200.23.1.el6uek.noarch.rpm kernel-uek-2.6.32-200.23.1.el6uek.x86_64.rpm kernel-uek-headers-2.6.32-200.23.1.el6uek.x86_64.rpm kernel-uek-devel-2.6.32-200.23.1.el6uek.x86_64.rpm kernel-uek-debug-devel-2.6.32-200.23.1.el6uek.x86_64.rpm kernel-uek-debug-2.6.32-200.23.1.el6uek.x86_64.rpm ofa-2.6.32-200.23.1.el6uek-1.5.1-4.0.47.x86_64.rpm ofa-2.6.32-200.23.1.el6uekdebug-1.5.1-4.0.47.x86_64.rpm SRPMS: Users with Oracle Linux Premier Support can now use Ksplice to patch against this Security Advisory. We recommend that all users of Oracle Linux 6 install these updates. Users of Ksplice Uptrack can install these updates by running : # /usr/sbin/uptrack-upgrade -y On systems that have "autoinstall = yes" in /etc/uptrack/uptrack.conf, these updates will be installed automatically and you do not need to take any additional action. Description of changes: * CVE-2011-1161: Information leak in transmission logic of TPM driver. A missing buffer size check in tpm_transmit could allow leaking of potentially sensitive kernel memory. * CVE-2011-1162: Information leak in TPM driver. A flaw in the way memory containing security-related data was handled in tpm_read() could allow a local, unprivileged user to read the results of a previously run TPM command. (CVE-2011-1162, Low) * CVE-2011-2494: Information leak in task/process statistics. The I/O statistics from the taskstats subsystem could be read without any restrictions. A local, unprivileged user could use this flaw to gather confidential information, such as the length of a password used in a process. (CVE-2011-2494, Low) * CVE-2011-3188: Weak TCP sequence number generation. The way IPv4 and IPv6 protocol sequence numbers and fragment IDs were generated could allow a man-in-the-middle attacker to inject packets and possibly hijack connections. Protocol sequence numbers and fragment IDs are now more random. (CVE-2011-3188, Moderate) * CVE-2011-1577: Missing boundary checks in GPT partition handling. A heap overflow flaw in the Linux kernel's EFI GUID Partition Table (GPT) implementation could allow a local attacker to cause a denial of service by mounting a disk that contains specially-crafted partition tables. (CVE-2011-1577, Low) * CVE-2011-3191: Memory corruption in CIFS. A malicious CIFS server could overflow a signed integer value, causing a memcpy() to scribble over a large amount of memory. * CVE-2011-3353: Denial of service in FUSE via FUSE_NOTIFY_INVAL_ENTRY. A buffer overflow flaw was found in the Linux kernel's FUSE (Filesystem in Userspace) implementation. A local user in the fuse group who has access to mount a FUSE file system could use this flaw to cause a denial of service. (CVE-2011-3353, Moderate) * CVE-2011-4326: Denial of service in IPv6 UDP Fragmentation Offload. A flaw was found in the way the Linux kernel handled fragmented IPv6 UDP datagrams over the bridge with UDP Fragmentation Offload (UFO) functionality on. A remote attacker could use this flaw to cause a denial of service. (CVE-2011-4326, Important) * CVE-2011-3593: Denial of service in VLAN with priority tagged frames. A flaw was found in the way the Linux kernel handled VLAN 0 frames with the priority tag set. When using certain network drivers, an attacker on the local network could use this flaw to cause a denial of service. (CVE-2011-3593, Moderate) * CVE-2011-2699: Predictable IPv6 fragment identification numbers. IPv6 fragment identification value generation could allow a remote attacker to disrupt a target system's networking, preventing legitimate users from accessing its services. (CVE-2011-2699, Important) kernel-uek: [2.6.32-200.23.1.el6uek] - net: Remove atmclip.h to prevent break kabi check. - KConfig: add CONFIG_UEK5=n to ol6/config-generic [2.6.32-200.22.1.el6uek] - ipv6: make fragment identifications less predictable (Joe Jin) {CVE-2011-2699} - vlan: fix panic when handling priority tagged frames (Joe Jin) {CVE-2011-3593} - ipv6: udp: fix the wrong headroom check (Maxim Uvarov) {CVE-2011-4326} - b43: allocate receive buffers big enough for max frame len + offset (Maxim Uvarov) {CVE-2011-3359} - fuse: check size of FUSE_NOTIFY_INVAL_ENTRY message (Maxim Uvarov) {CVE-2011-3353} - cifs: fix possible memory corruption in CIFSFindNext (Maxim Uvarov) {CVE-2011-3191} - crypto: md5 - Add export support (Maxim Uvarov) {CVE-2011-2699} - fs/partitions/efi.c: corrupted GUID partition tables can cause kernel oops (Maxim Uvarov) {CVE-2011-1577} - block: use struct parsed_partitions *state universally in partition check code (Maxim Uvarov) - net: Compute protocol sequence numbers and fragment IDs using MD5. (Maxim Uvarov) {CVE-2011-3188} - crypto: Move md5_transform to lib/md5.c (Maxim Uvarov) {CVE-2011-3188} - perf tools: do not look at ./config for configuration (Maxim Uvarov) {CVE-2011-2905} - Make TASKSTATS require root access (Maxim Uvarov) {CVE-2011-2494} - TPM: Zero buffer after copying to userspace (Maxim Uvarov) {CVE-2011-1162} - TPM: Call tpm_transmit with correct size (Maxim Uvarov){CVE-2011-1161} - fnic: fix panic while booting in fnic(Xiaowei Hu) - Revert "PCI hotplug: acpiphp: set current_state to D0 in register_slot" (Guru Anbalagane) - xen: drop xen_sched_clock in favour of using plain wallclock time (Jeremy Fitzhardinge) [2.6.32-200.21.1.el6uek] - PCI: Set device power state to PCI_D0 for device without native PM support (Ajaykumar Hotchandani) [orabug 13033435] _______________________________________________ El-errata mailing list

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