Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×
Date: Wed, 5 Jan 2011 11:32:04 -0600 Reply-To: Troy DawsonSender: Security Errata for Scientific Linux From: Troy Dawson Subject: Security ERRATA Important: kernel on SL5.x i386/x86_64 Comments: To: " This email address is being protected from spambots. You need JavaScript enabled to view it. "Synopsis: Important: kernel security, bug fix, and enhancement update Issue date: 2011-01-04 CVE Names: CVE-2010-3432 CVE-2010-3442 CVE-2010-3699 CVE-2010-3858 CVE-2010-3859 CVE-2010-3865 CVE-2010-3876 CVE-2010-3880 CVE-2010-4083 CVE-2010-4157 CVE-2010-4161 CVE-2010-4242 CVE-2010-4247 CVE-2010-4248 This update fixes the following security issues: * A flaw was found in sctp_packet_config() in the Linux kernel's Stream Control Transmission Protocol (SCTP) implementation. A remote attacker could use this flaw to cause a denial of service. (CVE-2010-3432, Important) * A missing integer overflow check was found in snd_ctl_new() in the Linux kernel's sound subsystem. A local, unprivileged user on a 32-bit system could use this flaw to cause a denial of service or escalate their privileges. (CVE-2010-3442, Important) * A heap overflow flaw in the Linux kernel's Transparent Inter-Process Communication protocol (TIPC) implementation could allow a local, unprivileged user to escalate their privileges. (CVE-2010-3859, Important) * An integer overflow flaw was found in the Linux kernel's Reliable Datagram Sockets (RDS) protocol implementation. A local, unprivileged user could use this flaw to cause a denial of service or escalate their privileges. (CVE-2010-3865, Important) * A flaw was found in the Xenbus code for the unified block-device I/O interface back end. A privileged guest user could use this flaw to cause a denial of service on the host system running the Xen hypervisor. (CVE-2010-3699, Moderate) * Missing sanity checks were found in setup_arg_pages() in the Linux kernel. When making the size of the argument and environment area on the stack very large, it could trigger a BUG_ON(), resulting in a local denial of service. (CVE-2010-3858, Moderate) * A flaw was found in inet_csk_diag_dump() in the Linux kernel's module for monitoring the sockets of INET transport protocols. By sending a netlink message with certain bytecode, a local, unprivileged user could cause a denial of service. (CVE-2010-3880, Moderate) * Missing sanity checks were found in gdth_ioctl_alloc() in the gdth driver in the Linux kernel. A local user with access to "/dev/gdth" on a 64-bit system could use this flaw to cause a denial of service or escalate their privileges. (CVE-2010-4157, Moderate) * The fix put into kernel-2.6.18-164.el5 introduced a regression. A local, unprivileged user could use this flaw to cause a denial of service. (CVE-2010-4161, Moderate) * A NULL pointer dereference flaw was found in the Bluetooth HCI UART driver in the Linux kernel. A local, unprivileged user could use this flaw to cause a denial of service. (CVE-2010-4242, Moderate) * It was found that a malicious guest running on the Xen hypervisor could place invalid data in the memory that the guest shared with the blkback and blktap back-end drivers, resulting in a denial of service on the host system. (CVE-2010-4247, Moderate) * A flaw was found in the Linux kernel's CPU time clocks implementation for the POSIX clock interface. A local, unprivileged user could use this flaw to cause a denial of service. (CVE-2010-4248, Moderate) * Missing initialization flaws in the Linux kernel could lead to information leaks. (CVE-2010-3876, CVE-2010-4083, Low) This update also fixes several bugs and adds an enhancement. The system must be rebooted for this update to take effect. SL 5.x SRPMS: kernel-2.6.18-194.32.1.el5.src.rpm i386: kernel-2.6.18-194.32.1.el5.i686.rpm kernel-debug-2.6.18-194.32.1.el5.i686.rpm kernel-debug-devel-2.6.18-194.32.1.el5.i686.rpm kernel-devel-2.6.18-194.32.1.el5.i686.rpm kernel-doc-2.6.18-194.32.1.el5.noarch.rpm kernel-PAE-2.6.18-194.32.1.el5.i686.rpm kernel-PAE-devel-2.6.18-194.32.1.el5.i686.rpm kernel-xen-2.6.18-194.32.1.el5.i686.rpm kernel-xen-devel-2.6.18-194.32.1.el5.i686.rpm Dependancies: kernel-module-aufs-2.6.18-194.32.1.el5-0.20090202.cvs-6.sl5.i686.rpm kernel-module-aufs-2.6.18-194.32.1.el5PAE-0.20090202.cvs-6.sl5.i686.rpm kernel-module-aufs-2.6.18-194.32.1.el5xen-0.20090202.cvs-6.sl5.i686.rpm kernel-module-ipw3945-2.6.18-194.32.1.el5-1.2.0-2.sl5.i686.rpm kernel-module-ipw3945-2.6.18-194.32.1.el5PAE-1.2.0-2.sl5.i686.rpm kernel-module-ipw3945-2.6.18-194.32.1.el5xen-1.2.0-2.sl5.i686.rpm kernel-module-madwifi-2.6.18-194.32.1.el5-0.9.4-15.sl5.i686.rpm kernel-module-madwifi-2.6.18-194.32.1.el5PAE-0.9.4-15.sl5.i686.rpm kernel-module-madwifi-2.6.18-194.32.1.el5xen-0.9.4-15.sl5.i686.rpm kernel-module-madwifi-hal-2.6.18-194.32.1.el5-0.9.4-15.sl5.i686.rpm kernel-module-madwifi-hal-2.6.18-194.32.1.el5PAE-0.9.4-15.sl5.i686.rpm kernel-module-madwifi-hal-2.6.18-194.32.1.el5xen-0.9.4-15.sl5.i686.rpm kernel-module-ndiswrapper-2.6.18-194.32.1.el5-1.55-1.SL.i686.rpm kernel-module-ndiswrapper-2.6.18-194.32.1.el5PAE-1.55-1.SL.i686.rpm kernel-module-ndiswrapper-2.6.18-194.32.1.el5xen-1.55-1.SL.i686.rpm kernel-module-openafs-2.6.18-194.32.1.el5-1.4.12-79.sl5.i686.rpm kernel-module-openafs-2.6.18-194.32.1.el5PAE-1.4.12-79.sl5.i686.rpm kernel-module-openafs-2.6.18-194.32.1.el5xen-1.4.12-79.sl5.i686.rpm kernel-module-xfs-2.6.18-194.32.1.el5-0.4-2.sl5.i686.rpm kernel-module-xfs-2.6.18-194.32.1.el5PAE-0.4-2.sl5.i686.rpm kernel-module-xfs-2.6.18-194.32.1.el5xen-0.4-2.sl5.i686.rpm x86_64: kernel-2.6.18-194.32.1.el5.x86_64.rpm kernel-debug-2.6.18-194.32.1.el5.x86_64.rpm kernel-debug-devel-2.6.18-194.32.1.el5.x86_64.rpm kernel-devel-2.6.18-194.32.1.el5.x86_64.rpm kernel-doc-2.6.18-194.32.1.el5.noarch.rpm kernel-headers-2.6.18-194.32.1.el5.x86_64.rpm kernel-xen-2.6.18-194.32.1.el5.x86_64.rpm kernel-xen-devel-2.6.18-194.32.1.el5.x86_64.rpm Dependancies: kernel-module-aufs-2.6.18-194.32.1.el5-0.20090202.cvs-6.sl5.x86_64.rpm kernel-module-aufs-2.6.18-194.32.1.el5xen-0.20090202.cvs-6.sl5.x86_64.rpm kernel-module-ipw3945-2.6.18-194.32.1.el5-1.2.0-2.sl5.x86_64.rpm kernel-module-ipw3945-2.6.18-194.32.1.el5xen-1.2.0-2.sl5.x86_64.rpm kernel-module-madwifi-2.6.18-194.32.1.el5-0.9.4-15.sl5.x86_64.rpm kernel-module-madwifi-2.6.18-194.32.1.el5xen-0.9.4-15.sl5.x86_64.rpm kernel-module-madwifi-hal-2.6.18-194.32.1.el5-0.9.4-15.sl5.x86_64.rpm kernel-module-madwifi-hal-2.6.18-194.32.1.el5xen-0.9.4-15.sl5.x86_64.rpm kernel-module-ndiswrapper-2.6.18-194.32.1.el5-1.55-1.SL.x86_64.rpm kernel-module-ndiswrapper-2.6.18-194.32.1.el5xen-1.55-1.SL.x86_64.rpm kernel-module-openafs-2.6.18-194.32.1.el5-1.4.11-76.sl5.x86_64.rpm kernel-module-openafs-2.6.18-194.32.1.el5-1.4.12-79.sl5.x86_64.rpm kernel-module-openafs-2.6.18-194.32.1.el5xen-1.4.11-76.sl5.x86_64.rpm kernel-module-openafs-2.6.18-194.32.1.el5xen-1.4.12-79.sl5.x86_64.rpm -Connie Sieh -Troy Dawson