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Date: Fri, 11 Jan 2008 14:56:07 -0700 From: security@...driva.com To: full-disclosure@...ts.grok.org.uk Subject: [ MDVSA-2008:008 ] - Updated kernel packages fix multiple vulnerabilities and bugs -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 _______________________________________________________________________ Mandriva Linux Security Advisory MDVSA-2008:008 http://www.mandriva.com/security/ _______________________________________________________________________ Package : kernel Date : January 11, 2008 Affected: Corporate 4.0 _______________________________________________________________________ Problem Description: Some vulnerabilities were discovered and corrected in the Linux 2.6 kernel: The CIFS filesystem, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges. (CVE-2007-3740) The (1) hugetlb_vmtruncate_list and (2) hugetlb_vmtruncate functions in fs/hugetlbfs/inode.c in the Linux kernel before 2.6.19-rc4 perform certain prio_tree calculations using HPAGE_SIZE instead of PAGE_SIZE units, which allows local users to cause a denial of service (panic) via unspecified vectors. (CVE-2007-4133) The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used, which might 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) Integer underflow in the ieee80211_rx function in net/ieee80211/ieee80211_rx.c in the Linux kernel 2.6.x before 2.6.23 allows remote attackers to cause a denial of service (crash) via a crafted SKB length value in a runt IEEE 802.11 frame when the IEEE80211_STYPE_QOS_DATA flag is set, aka an off-by-two error. (CVE-2007-4997) The disconnect method in the Philips USB Webcam (pwc) driver in Linux kernel 2.6.x before 2.6.22.6 relies on user space to close the device, which allows user-assisted local attackers to cause a denial of service (USB subsystem hang and CPU consumption in khubd) by not closing the device after the disconnect is invoked. NOTE: this rarely crosses privilege boundaries, unless the attacker can convince the victim to unplug the affected device. (CVE-2007-5093) The wait_task_stopped function in the Linux kernel before 2.6.23.8 checks a TASK_TRACED bit instead of an exit_state value, which allows local users to cause a denial of service (machine crash) via unspecified vectors. NOTE: some of these details are obtained from third party information. (CVE-2007-5500) The minix filesystem code in Linux kernel 2.6.x up to 2.6.18, and possibly other versions, allows local users to cause a denial of service (hang) via a malformed minix file stream that triggers an infinite loop in the minix_bmap function. NOTE: this issue might be due to an integer overflow or signedness error. (CVE-2006-6058) Buffer overflow in the isdn_net_setcfg function in isdn_net.c in Linux kernel 2.6.23 allows local users to have an unknown impact via a crafted argument to the isdn_ioctl function. (CVE-2007-6063) Additionaly, support for Promise 4350 controller was added (stex module). 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-2007-3740 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4133 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4573 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-4997 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5093 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-5500 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-6058 http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-6063 _______________________________________________________________________ Updated Packages: Corporate 4.0: 07fa3648c4fcad266094de58ee5f7976 corporate/4.0/i586/kernel-2.6.12.33mdk-1-1mdk.i586.rpm e252e134fca461feeee210bc85fe0b66 corporate/4.0/i586/kernel-BOOT-2.6.12.33mdk-1-1mdk.i586.rpm 2364ec022ffd41f61ef19aa4da196584 corporate/4.0/i586/kernel-doc-2.6.12.33mdk-1-1mdk.i586.rpm 56b9c725e2370594ea37bff83bec8adf corporate/4.0/i586/kernel-i586-up-1GB-2.6.12.33mdk-1-1mdk.i586.rpm ac5b435ab4b230da799b12b06054e3e5 corporate/4.0/i586/kernel-i686-up-4GB-2.6.12.33mdk-1-1mdk.i586.rpm 4bd260613b29981fd3b0a742707c6785 corporate/4.0/i586/kernel-smp-2.6.12.33mdk-1-1mdk.i586.rpm 4111453b8da035fa44428f7d79b77c64 corporate/4.0/i586/kernel-source-2.6.12.33mdk-1-1mdk.i586.rpm c31d879b0becf2c84569ad18615fbe7c corporate/4.0/i586/kernel-source-stripped-2.6.12.33mdk-1-1mdk.i586.rpm 9e8f1b4d991c1b144b5e999b647bbce6 corporate/4.0/i586/kernel-xbox-2.6.12.33mdk-1-1mdk.i586.rpm 895efcf862e5e8428ceec714f29666da corporate/4.0/i586/kernel-xen0-2.6.12.33mdk-1-1mdk.i586.rpm bab9c0071d482b0e3c03c181b8cca71a corporate/4.0/i586/kernel-xenU-2.6.12.33mdk-1-1mdk.i586.rpm 877a5d94905829128211ecc1dd538138 corporate/4.0/SRPMS/kernel-2.6.12.33mdk-1-1mdk.src.rpm Corporate 4.0/X86_64: d2e4070842e4a6ea4d9e029a5977d929 corporate/4.0/x86_64/kernel-2.6.12.33mdk-1-1mdk.x86_64.rpm bf3014e8afe93ab0a8877e1d80d921e4 corporate/4.0/x86_64/kernel-BOOT-2.6.12.33mdk-1-1mdk.x86_64.rpm ac4c529077ff74e82362c1b7d4404233 corporate/4.0/x86_64/kernel-doc-2.6.12.33mdk-1-1mdk.x86_64.rpm fe2963758a2fbef0ed561dd41741f1f0 corporate/4.0/x86_64/kernel-smp-2.6.12.33mdk-1-1mdk.x86_64.rpm f8ea4d85518c1e2e6a8b163febbb39f8 corporate/4.0/x86_64/kernel-source-2.6.12.33mdk-1-1mdk.x86_64.rpm 773dd4eb7e4ebbe76c49817399bdfb23 corporate/4.0/x86_64/kernel-source-stripped-2.6.12.33mdk-1-1mdk.x86_64.rpm 83c8eb396798958d3a0581f7610973e8 corporate/4.0/x86_64/kernel-xen0-2.6.12.33mdk-1-1mdk.x86_64.rpm e3a4fc8ac6984d283aebcbf8c733942f corporate/4.0/x86_64/kernel-xenU-2.6.12.33mdk-1-1mdk.x86_64.rpm 877a5d94905829128211ecc1dd538138 corporate/4.0/SRPMS/kernel-2.6.12.33mdk-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 v1.4.8 (GNU/Linux) iD8DBQFHh8nGmqjQ0CJFipgRAmkIAJ94GfjCcBcizfHDPBZrHQEmHmu5TQCgxfMx 1VPoB3XA6iDs9X0H11l20I0= =S6Bk -----END PGP SIGNATURE----- _______________________________________________ Full-Disclosure - We believe in it. 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