=========================================================== Ubuntu Security Notice USN-1074-1 February 25, 2011 linux-fsl-imx51 vulnerabilities CVE-2009-4895, CVE-2010-2066, CVE-2010-2226, CVE-2010-2240, CVE-2010-2248, CVE-2010-2478, CVE-2010-2495, CVE-2010-2521, CVE-2010-2524, CVE-2010-2538, CVE-2010-2798, CVE-2010-2803, CVE-2010-2942, CVE-2010-2943, CVE-2010-2946, CVE-2010-2954, CVE-2010-2955, CVE-2010-2959, CVE-2010-2962, CVE-2010-2963, CVE-2010-3015, CVE-2010-3067, CVE-2010-3078, CVE-2010-3079, CVE-2010-3080, CVE-2010-3081, CVE-2010-3084, CVE-2010-3296, CVE-2010-3297, CVE-2010-3298, CVE-2010-3301, CVE-2010-3310, CVE-2010-3432, CVE-2010-3437, CVE-2010-3442, CVE-2010-3448, CVE-2010-3477, CVE-2010-3698, CVE-2010-3705, CVE-2010-3848, =========================================================== A security issue affects the following Ubuntu releases: Ubuntu 9.10 This advisory also applies to the corresponding versions of Kubuntu, Edubuntu, and Xubuntu. The problem can be corrected by upgrading your system to the following package versions: Ubuntu 9.10: linux-image-2.6.31-112-imx51 2.6.31-112.30 After a standard system update you need to reboot your computer to make all the necessary changes. Details follow: Al Viro discovered a race condition in the TTY driver. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2009-4895) Dan Rosenberg discovered that the MOVE_EXT ext4 ioctl did not correctly check file permissions. A local attacker could overwrite append-only files, leading to potential data loss. (CVE-2010-2066) Dan Rosenberg discovered that the swapexit xfs ioctl did not correctly check file permissions. A local attacker could exploit this to read from write-only files, leading to a loss of privacy. (CVE-2010-2226) Gael Delalleu, Rafal Wojtczuk, and Brad Spengler discovered that the memory manager did not properly handle when applications grow stacks into adjacent memory regions. A local attacker could exploit this to gain control of certain applications, potentially leading to privilege escalation, as demonstrated in attacks against the X server. (CVE-2010-2240) Suresh Jayaraman discovered that CIFS did not correctly validate certain response packats. A remote attacker could send specially crafted traffic that would crash the system, leading to a denial of service. (CVE-2010-2248) Ben Hutchings discovered that the ethtool interface did not correctly check certain sizes. A local attacker could perform malicious ioctl calls that could crash the system, leading to a denial of service. (CVE-2010-2478, CVE-2010-3084) James Chapman discovered that L2TP did not correctly evaluate checksum capabilities. If an attacker could make malicious routing changes, they could crash the system, leading to a denial of service. (CVE-2010-2495) Neil Brown discovered that NFSv4 did not correctly check certain write requests. A remote attacker could send specially crafted traffic that could crash the system or possibly gain root privileges. (CVE-2010-2521) David Howells discovered that DNS resolution in CIFS could be spoofed. A local attacker could exploit this to control DNS replies, leading to a loss of privacy and possible privilege escalation. (CVE-2010-2524) Dan Rosenberg discovered that the btrfs filesystem did not correctly validate permissions when using the clone function. A local attacker could overwrite the contents of file handles that were opened for append-only, or potentially read arbitrary contents, leading to a loss of privacy. Only Ubuntu 9.10 was affected. (CVE-2010-2538) Bob Peterson discovered that GFS2 rename operations did not correctly validate certain sizes. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-2798) Kees Cook discovered that under certain situations the ioctl subsystem for DRM did not properly sanitize its arguments. A local attacker could exploit this to read previously freed kernel memory, leading to a loss of privacy. (CVE-2010-2803) Eric Dumazet discovered that many network functions could leak kernel stack contents. A local attacker could exploit this to read portions of kernel memory, leading to a loss of privacy. (CVE-2010-2942, CVE-2010-3477) Dave Chinner discovered that the XFS filesystem did not correctly order inode lookups when exported by NFS. A remote attacker could exploit this to read or write disk blocks that had changed file assignment or had become unlinked, leading to a loss of privacy. (CVE-2010-2943) Sergey Vlasov discovered that JFS did not correctly handle certain extended attributes. A local attacker could bypass namespace access rules, leading to a loss of privacy. (CVE-2010-2946) Tavis Ormandy discovered that the IRDA subsystem did not correctly shut down. A local attacker could exploit this to cause the system to crash or possibly gain root privileges. (CVE-2010-2954) Brad Spengler discovered that the wireless extensions did not correctly validate certain request sizes. A local attacker could exploit this to read portions of kernel memory, leading to a loss of privacy. (CVE-2010-2955) Ben Hawkes discovered an integer overflow in the Controller Area Network (CVE-2010-2959) Kees Cook discovered that the Intel i915 graphics driver did not correctly validate memory regions. A local attacker with access to the video card could read and write arbitrary kernel memory to gain root privileges. Ubuntu 10.10 was not affected. (CVE-2010-2962) Kees Cook discovered that the V4L1 32bit compat interface did not correctly validate certain parameters. A local attacker on a 64bit system with access to a video device could exploit this to gain root privileges. (CVE-2010-2963) Toshiyuki Okajima discovered that ext4 did not correctly check certain parameters. A local attacker could exploit this to crash the system or overwrite the last block of large files. (CVE-2010-3015) Tavis Ormandy discovered that the AIO subsystem did not correctly validate certain parameters. A local attacker could exploit this to crash the system or possibly gain root privileges. (CVE-2010-3067) Dan Rosenberg discovered that certain XFS ioctls leaked kernel stack contents. A local attacker could exploit this to read portions of kernel memory, leading to a loss of privacy. (CVE-2010-3078) Robert Swiecki discovered that ftrace did not correctly handle mutexes. A local attacker could exploit this to crash the kernel, leading to a denial of service. (CVE-2010-3079) Tavis Ormandy discovered that the OSS sequencer device did not correctly shut down. A local attacker could exploit this to crash the system or possibly gain root privileges. (CVE-2010-3080) Ben Hawkes discovered that the Linux kernel did not correctly validate memory ranges on 64bit kernels when allocating memory on behalf of 32bit system calls. On a 64bit system, a local attacker could perform malicious multicast getsockopt calls to gain root privileges. (CVE-2010-3081) Dan Rosenberg discovered that several network ioctls did not clear kernel memory correctly. A local user could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-3296, CVE-2010-3297, CVE-2010-3298) Ben Hawkes discovered that the Linux kernel did not correctly filter registers on 64bit kernels when performing 32bit system calls. On a 64bit system, a local attacker could manipulate 32bit system calls to gain root privileges. (CVE-2010-3301) Dan Rosenberg discovered that the ROSE driver did not correctly check parameters. A local attacker with access to a ROSE network device could exploit this to crash the system or possibly gain root privileges. (CVE-2010-3310) Thomas Dreibholz discovered that SCTP did not correctly handle appending packet chunks. A remote attacker could send specially crafted traffic to crash the system, leading to a denial of service. (CVE-2010-3432) Dan Rosenberg discovered that the CD driver did not correctly check parameters. A local attacker could exploit this to read arbitrary kernel memory, leading to a loss of privacy. (CVE-2010-3437) Dan Rosenberg discovered that the Sound subsystem did not correctly validate parameters. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-3442) Dan Jacobson discovered that ThinkPad video output was not correctly access controlled. A local attacker could exploit this to hang the system, leading to a denial of service. (CVE-2010-3448) It was discovered that KVM did not correctly initialize certain CPU registers. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-3698) Dan Rosenberg discovered that SCTP did not correctly handle HMAC calculations. A remote attacker could send specially crafted traffic that would crash the system, leading to a denial of service. (CVE-2010-3705) Nelson Elhage discovered several problems with the Acorn Econet protocol driver. A local user could cause a denial of service via a NULL pointer dereference, escalate privileges by overflowing the kernel stack, and assign Econet addresses to arbitrary interfaces. (CVE-2010-3848, CVE-2010-3849, CVE-2010-3850) Brad Spengler discovered that stack memory for new a process was not correctly calculated. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-3858) Kees Cook discovered that the ethtool interface did not correctly clear kernel memory. A local attacker could read kernel heap memory, leading to a loss of privacy. (CVE-2010-3861) Dan Rosenberg discovered that the RDS network protocol did not correctly check certain parameters. A local attacker could exploit this gain root privileges. (CVE-2010-3904) Kees Cook and Vasiliy Kulikov discovered that the shm interface did not clear kernel memory correctly. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-4072) Dan Rosenberg discovered that the USB subsystem did not correctly initialize certian structures. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-4074) Dan Rosenberg discovered that the SiS video driver did not correctly clear kernel memory. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-4078) Dan Rosenberg discovered that the ivtv V4L driver did not correctly initialize certian structures. A local attacker could exploit this to read kernel stack memory, leading to a loss of privacy. (CVE-2010-4079) Steve Chen discovered that setsockopt did not correctly check MSS values. A local attacker could make a specially crafted socket call to crash the system, leading to a denial of service. (CVE-2010-4165) Dave Jones discovered that the mprotect system call did not correctly handle merged VMAs. A local attacker could exploit this to crash the system, leading to a denial of service. (CVE-2010-4169) Vegard Nossum discovered that memory garbage collection was not handled correctly for active sockets. A local attacker could exploit this to allocate all available kernel memory, leading to a denial of service. (CVE-2010-4249) Updated packages for Ubuntu 9.10: Source archives: http://security.ubuntu.com/ubuntu/pool/main/l/linux-fsl-imx51/linux-fsl-imx51_2.6.31-112.30.diff.gz Size/MD5: 5689311 eb5f6fe8ea1ba1541908b6635b6eb070 http://security.ubuntu.com/ubuntu/pool/main/l/linux-fsl-imx51/linux-fsl-imx51_2.6.31-112.30.dsc Size/MD5: 1389 9f183ebaeae4bc5f042e011c01a2d06b http://security.ubuntu.com/ubuntu/pool/main/l/linux-fsl-imx51/linux-fsl-imx51_2.6.31.orig.tar.gz Size/MD5: 78278595 16c0355d3612806ef87addf7c9f8c9f9 armel architecture (ARM Architecture): http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/block-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 97392 be63ef29022f71ef81f0c5c0f7e5dff2 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/crypto-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 62012 808419d720380dacfc7aa71eb8447553 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/fat-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 4542 2c5d3a96da5f45c531bb20b423279fe7 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/fs-core-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 548480 a0b16b84ff81a28d19d0ce5afc919083 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/fs-secondary-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 138382 a0fb096a86472328492a20ee846da9ab http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/input-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 50136 37a00bbbcc9b929ad363ea7db629e405 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/irda-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 212326 7c76d661cb4f11fb53d61b795e8277f1 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/kernel-image-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 3417494 1e25b9c4dd46cbbd61d0e2a2f7647f3e http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/linux-headers-2.6.31-112-imx51_2.6.31-112.30_armel.deb Size/MD5: 673916 3602a6a08467cff3f063fa7d9acf4343 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/linux-headers-2.6.31-112_2.6.31-112.30_armel.deb Size/MD5: 9856034 69b7bc23b6a0ccd5911b8fe4279c89cb http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/linux-image-2.6.31-112-imx51_2.6.31-112.30_armel.deb Size/MD5: 14566916 593a2caa4da514cdd0e8663a5aa19f64 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/md-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 163272 ad8a5437eeb796073116c0c60254e17c http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/mouse-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 24552 c30bdc42f9f1b087dd62b912ae0fc002 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nfs-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 294586 8052e549fae8a4f8189a0f853c4825fe http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nic-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 236166 0df28001acd3f1cf5aa96dba8756022a http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nic-shared-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 184568 50564e0525ab647761b1011e145399a9 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/nic-usb-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 112192 a66999a29ab17a23f464b124957e51f0 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/parport-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 28190 546362055ae18b5c08f90e2eaf00b192 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/plip-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 8218 a46998bb3c8a1f786aa840c4949e4c95 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/ppp-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 36380 657ccd6145488ad41b788472cb5137ae http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/sata-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 15622 56616f349c347568528cb7737e1863bb http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/scsi-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 191494 53d973ce8597fa35e948f633296f512b http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/serial-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 93934 85515ab49064d8eab991be7b32d28551 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/storage-core-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 21332 cbe570516cc3851629929202ad80a4f3 http://ports.ubuntu.com/pool/main/l/linux-fsl-imx51/usb-modules-2.6.31-112-imx51-di_2.6.31-112.30_armel.udeb Size/MD5: 114184 67f6388b95d37d032147638daf363e22