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Scientific Linux Security Update : kernel on SL5.x i386/x86_64

Description

Security fixes : - memory leaks were found on some error paths in the icmp_send() function in the Linux kernel. This could, potentially, cause the network connectivity to cease. (CVE-2009-0778, Important) - Chris Evans reported a deficiency in the clone() system call when called with the CLONE_PARENT flag. This flaw permits the caller (the parent process) to indicate an arbitrary signal it wants to receive when its child process exits. This could lead to a denial of service of the parent process. (CVE-2009-0028, Moderate) - an off-by-one underflow flaw was found in the eCryptfs subsystem. This could potentially cause a local denial of service when the readlink() function returned an error. (CVE-2009-0269, Moderate) - a deficiency was found in the Remote BIOS Update (RBU) driver for Dell systems. This could allow a local, unprivileged user to cause a denial of service by reading zero bytes from the image_type or packet_size files in '/sys/devices/platform/dell_rbu/'. (CVE-2009-0322, Moderate) - an inverted logic flaw was found in the SysKonnect FDDI PCI adapter driver, allowing driver statistics to be reset only when the CAP_NET_ADMIN capability was absent (local, unprivileged users could reset driver statistics). (CVE-2009-0675, Moderate) - the sock_getsockopt() function in the Linux kernel did not properly initialize a data structure that can be directly returned to user-space when the getsockopt() function is called with SO_BSDCOMPAT optname set. This flaw could possibly lead to memory disclosure. (CVE-2009-0676, Moderate) - the ext2 and ext3 file system code failed to properly handle corrupted data structures, leading to a possible local denial of service when read or write operations were performed on a specially crafted file system. (CVE-2008-3528, Low) - a deficiency was found in the libATA implementation. This could, potentially, lead to a local denial of service. Note: by default, the '/dev/sg*' devices are accessible only to the root user. (CVE-2008-5700, Low) Bug fixes : - a bug in aic94xx may have caused kernel panics during boot on some systems with certain SATA disks. (BZ#485909) - a word endianness problem in the qla2xx driver on PowerPC-based machines may have corrupted flash-based devices. (BZ#485908) - a memory leak in pipe() may have caused a system deadlock. The workaround, which involved manually allocating extra file descriptors toprocesses calling do_pipe, is no longer necessary. (BZ#481576) - CPU soft-lockups in the network rate estimator. (BZ#481746) - bugs in the ixgbe driver caused it to function unreliably on some systems with 16 or more CPU cores. (BZ#483210) - the iwl4965 driver may have caused a kernel panic. (BZ#483206) - a bug caused NFS attributes to not update for some long-lived NFS mounted file systems. (BZ#483201) - unmounting a GFS2 file system may have caused a panic. (BZ#485910) - a bug in ptrace() may have caused a panic when single stepping a target. (BZ#487394) - on some 64-bit systems, notsc was incorrectly set at boot, causing slow gettimeofday() calls. (BZ#488239) - do_machine_check() cleared all Machine Check Exception (MCE) status registers, preventing the BIOS from using them to determine the cause of certain panics and errors. (BZ#490433) - scaling problems caused performance problems for LAPI applications. (BZ#489457) - a panic may have occurred on systems using certain Intel WiFi Link 5000 products when booting with the RF Kill switch on. (BZ#489846) - the TSC is invariant with C/P/T states, and always runs at constant frequency from now on. (BZ#489310) The system must be rebooted for this update to take effect.


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