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OVAL

RHSA-2009:1455-01 -- Redhat kernel

ID: oval:org.secpod.oval:def:500571Date: (C)2012-01-31   (M)2024-02-19
Class: PATCHFamily: unix




The kernel packages contain the Linux kernel, the core of any Linux operating system. Security fix: * a NULL pointer dereference flaw was found in the Multiple Devices driver in the Linux kernel. If the "suspend_lo" or "suspend_hi" file on the sysfs file system is modified when the disk array is inactive, it could lead to a local denial of service or privilege escalation. Note: By default, only the root user can write to the files mentioned above. Bug fixes: * a bug in nlm_lookup_host could lead to un-reclaimed locks on file systems, resulting in umount failing and NFS service relocation issues for clusters. * a bug in the sky2 driver prevented the phy from being reset properly on some hardware when it hanged, preventing a link from coming back up. * disabling MSI-X for qla2xxx also disabled MSI interrupts. * performance issues with reads when using the qlge driver on PowerPC systems. A system hang could also occur during reboot. * unreliable time keeping for Red Hat Enterprise Linux virtual machines. The KVM pvclock code is now used to detect/correct lost ticks. * /proc/cpuinfo was missing flags for new features in supported processors, possibly preventing the operating system and applications from getting the best performance. * reading/writing with a serial loopback device on a certain IBM system did not work unless booted with "pnpacpi=off". * mlx4_core failed to load on systems with more than 32 CPUs. * on big-endian platforms, interfaces using the mlx4_en driver and Large Receive Offload did not handle VLAN traffic properly . * due to a lock being held for a long time, some systems may have experienced "BUG: soft lockup" messages under very heavy load. * incorrect APIC timer calibration may have caused a system hang during boot, as well as the system time becoming faster or slower. A warning is now provided. * a Fibre Channel device re-scan via "echo "---" > /sys/class/scsi_host/ host[x]/scan" may not complete after hot adding a drive, leading to soft lockups . * the Broadcom BCM5761 network device was unable to be initialized properly; therefore, the associated interface could not obtain an IP address via DHCP, or be assigned one manually. * when a process attempted to read from a page that had first been accessed by writing to part of it , the NFS client needed to flush the modified portion of the page out to the server, and then read the entire page back in. This flush caused performance issues. * a kernel panic when using bnx2x devices and LRO in a bridge. A warning is now provided to disable LRO in these situations. * the scsi_dh_rdac driver was updated to recognize the Sun StorageTek Flexline 380. * in FIPS mode, random number generators are required to not return the first block of random data they generate, but rather save it to seed the repetition check. This update brings the random number generator into conformance. * an option to disable/enable the use of the first random block is now provided to bring ansi_cprng into compliance with FIPS-140 continuous test requirements. * running the SAP Linux Certification Suite in a KVM guest caused severe SAP kernel errors, causing it to exit. * attempting to "online" a CPU for a KVM guest via sysfs caused a system crash. * when using KVM, pvclock returned bogus wallclock values. * the clock could go backwards when using the vsyscall infrastructure. Users should upgrade to these updated packages, which contain backported patches to correct these issues. The system must be rebooted for this update to take effect.

Platform:
Red Hat Enterprise Linux 5
Product:
kernel
Reference:
RHSA-2009:1455-01
CVE-2009-2849
CVE    1
CVE-2009-2849
CPE    311
cpe:/o:linux:linux_kernel:2.6.20.19
cpe:/o:linux:linux_kernel:2.6.23.1
cpe:/o:linux:linux_kernel:2.6.23.2
cpe:/o:linux:linux_kernel:2.6.23.3
...

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