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Message-id: <E1IharI-00027o-6b@artemis.annvix.ca> Date: Mon, 15 Oct 2007 19:04:26 -0600 From: security@...driva.com To: full-disclosure@...ts.grok.org.uk Subject: [ MDKSA-2007:196 ] - Updated kernel packages fix multiple vulnerabilities and bugs -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 _______________________________________________________________________ Mandriva Linux Security Advisory MDKSA-2007:196 http://www.mandriva.com/security/ _______________________________________________________________________ Package : kernel Date : October 15, 2007 Affected: Corporate 4.0 _______________________________________________________________________ Problem Description: Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel: The compat_sys_mount function in fs/compat.c allowed local users to cause a denial of service (NULL pointer dereference and oops) by mounting a smbfs file system in compatibility mode (CVE-2006-7203). The nf_conntrack function in netfilter did not set nfctinfo during reassembly of fragmented packets, which left the default value as IP_CT_ESTABLISHED and could allow remote attackers to bypass certain rulesets using IPv6 fragments (CVE-2007-1497). A typo in the Linux kernel caused RTA_MAX to be used as an array size instead of RTN_MAX, which lead to an out of bounds access by certain functions (CVE-2007-2172). The IPv6 protocol allowed remote attackers to cause a denial of service via crafted IPv6 type 0 route headers that create network amplification between two routers (CVE-2007-2242). The random number feature did not properly seed pools when there was no entropy, or used an incorrect cast when extracting entropy, which could cause the random number generator to provide the same values after reboots on systems without an entropy source (CVE-2007-2453). A memory leak in the PPPoE socket implementation allowed local users to cause a denial of service (memory consumption) by creating a socket using connect, and releasing it before the PPPIOCGCHAN ioctl is initialized (CVE-2007-2525). An integer underflow in the cpuset_tasks_read function, when the cpuset filesystem is mounted, allowed local users to obtain kernel memory contents by using a large offset when reading the /dev/cpuset/tasks file (CVE-2007-2875). The sctp_new function in netfilter allowed remote attackers to cause a denial of service by causing certain invalid states that triggered a NULL pointer dereference (CVE-2007-2876). A stack-based buffer overflow in the random number generator could allow local root users to cause a denial of service or gain privileges by setting the default wakeup threshold to a value greater than the output pool size (CVE-2007-3105). The lcd_write function did not limit the amount of memory used by a caller, which allows local users to cause a denial of service (memory consumption) (CVE-2007-3513). The Linux kernel allowed local users to send arbitrary signals to a child process that is running at higher privileges by causing a setuid-root parent process to die which delivered an attacker-controlled parent process death signal (PR_SET_PDEATHSIG) (CVE-2007-3848). The aac_cfg_openm and aac_compat_ioctl functions in the SCSI layer ioctl patch in aacraid did not check permissions for ioctls, which might allow local users to cause a denial of service or gain privileges (CVE-2007-4308). The IA32 system call emulation functionality, when running on the x86_64 architecture, did not zero extend the eax register after the 32bit entry path to ptrace is used, which could allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register (CVE-2007-4573). In addition to these security fixes, other fixes have been included such as: - The 3w-9xxx module was updated to version 9.4.1.2, adding support for 9650SE - Fixed the build of e1000-ng - Added NIC support for MCP55 - Added LSI Logic MegaRAID SAS 8300XLP support To update your kernel, please follow the directions located at: http://www.mandriva.com/en/security/kernelupdate _______________________________________________________________________ References: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-7203 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-1497 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2172 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2242 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2453 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2525 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2875 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-2876 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3105 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3513 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-3848 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4308 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4573 _______________________________________________________________________ Updated Packages: Corporate 4.0: 3657c208eeb3c079d9ff0a4ca55a9b03 corporate/4.0/i586/kernel-2.6.12.32mdk-1-1mdk.i586.rpm 0cd8fd1c504f3365fe503c4fd627b6ea corporate/4.0/i586/kernel-BOOT-2.6.12.32mdk-1-1mdk.i586.rpm fbabe3497810452a0052bc67a5fb4f29 corporate/4.0/i586/kernel-doc-2.6.12.32mdk-1-1mdk.i586.rpm 02edfc1bbb2bd826c4a9152d670cc2cc corporate/4.0/i586/kernel-i586-up-1GB-2.6.12.32mdk-1-1mdk.i586.rpm 88b0876de92beff866bb91ba57be0a70 corporate/4.0/i586/kernel-i686-up-4GB-2.6.12.32mdk-1-1mdk.i586.rpm e813926dc184e911deb62a1e34cff8ed corporate/4.0/i586/kernel-smp-2.6.12.32mdk-1-1mdk.i586.rpm a8011ebbe529551463f87cc22f3da22f corporate/4.0/i586/kernel-source-2.6.12.32mdk-1-1mdk.i586.rpm 813ba955a1e9b5ff9834aeebbe477a93 corporate/4.0/i586/kernel-source-stripped-2.6.12.32mdk-1-1mdk.i586.rpm be08ad30fbc3988f654c1532e73fc330 corporate/4.0/i586/kernel-xbox-2.6.12.32mdk-1-1mdk.i586.rpm 5894ac0216cf38203d2002a19db70c15 corporate/4.0/i586/kernel-xen0-2.6.12.32mdk-1-1mdk.i586.rpm 62d5b93083df571edbf8785bc754dd6e corporate/4.0/i586/kernel-xenU-2.6.12.32mdk-1-1mdk.i586.rpm 423fe3296a56ff845fd643890663cdee corporate/4.0/SRPMS/kernel-2.6.12.32mdk-1-1mdk.src.rpm Corporate 4.0/X86_64: a51bd78ce00e65f7521625c8c67605f0 corporate/4.0/x86_64/kernel-2.6.12.32mdk-1-1mdk.x86_64.rpm 8d407ed81be714537c2c957918cedfed corporate/4.0/x86_64/kernel-BOOT-2.6.12.32mdk-1-1mdk.x86_64.rpm 730c0bae9b443e5f9d8cb3c8a3486488 corporate/4.0/x86_64/kernel-doc-2.6.12.32mdk-1-1mdk.x86_64.rpm 06391bd475945e8a8b76dcb33989fc83 corporate/4.0/x86_64/kernel-smp-2.6.12.32mdk-1-1mdk.x86_64.rpm bc9c9a881f18b5c2f892684aaeee84cf corporate/4.0/x86_64/kernel-source-2.6.12.32mdk-1-1mdk.x86_64.rpm b0240b751985babe1aabda9c9e231a92 corporate/4.0/x86_64/kernel-source-stripped-2.6.12.32mdk-1-1mdk.x86_64.rpm b1b4750de7daf9cb12ed0057a8851f32 corporate/4.0/x86_64/kernel-xen0-2.6.12.32mdk-1-1mdk.x86_64.rpm 915a8eb87a9fc0c0deab5e696f27c59b corporate/4.0/x86_64/kernel-xenU-2.6.12.32mdk-1-1mdk.x86_64.rpm 423fe3296a56ff845fd643890663cdee corporate/4.0/SRPMS/kernel-2.6.12.32mdk-1-1mdk.src.rpm _______________________________________________________________________ To upgrade automatically use MandrivaUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. All packages are signed by Mandriva for security. You can obtain the GPG public key of the Mandriva Security Team by executing: gpg --recv-keys --keyserver pgp.mit.edu 0x22458A98 You can view other update advisories for Mandriva Linux at: http://www.mandriva.com/security/advisories If you want to report vulnerabilities, please contact security_(at)_mandriva.com _______________________________________________________________________ Type Bits/KeyID Date User ID pub 1024D/22458A98 2000-07-10 Mandriva Security Team <security*mandriva.com> -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.7 (GNU/Linux) iD8DBQFHE+PimqjQ0CJFipgRAprEAKCoEfNhoDZrxQng2IYqYumR/3zVvACeOoJQ 51R6ymKyEZNBb9xnSWE/E64= =QWz7 -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. 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