SUSE Security Update: Security update for xen ______________________________________________________________________________
Announcement ID: SUSE-SU-2015:1908-1 Rating: important References: #877642 #901488 #907514 #910258 #918984 #923967 #932267 #944463 #944697 #945167 #947165 #949138 #950367 #950703 #950705 #950706 Cross-References: CVE-2014-0222 CVE-2015-4037 CVE-2015-5239 CVE-2015-6815 CVE-2015-7311 CVE-2015-7835 CVE-2015-7969 CVE-2015-7971 Affected Products: SUSE Linux Enterprise Software Development Kit 12 SUSE Linux Enterprise Server 12 SUSE Linux Enterprise Desktop 12 ______________________________________________________________________________
An update that solves 8 vulnerabilities and has 8 fixes is now available.
xen was updated to version 4.4.3 to fix nine security issues.
These security issues were fixed: - CVE-2015-4037: The slirp_smb function in net/slirp.c created temporary files with predictable names, which allowed local users to cause a denial of service (instantiation failure) by creating /tmp/qemu-smb.*-* files before the program (bsc#932267). - CVE-2014-0222: Integer overflow in the qcow_open function allowed remote attackers to cause a denial of service (crash) via a large L2 table in a QCOW version 1 image (bsc#877642). - CVE-2015-7835: Uncontrolled creation of large page mappings by PV guests (bsc#950367). - CVE-2015-7311: libxl in Xen did not properly handle the readonly flag on disks when using the qemu-xen device model, which allowed local guest users to write to a read-only disk image (bsc#947165). - CVE-2015-5239: Integer overflow in vnc_client_read() and protocol_client_msg() (bsc#944463). - CVE-2015-6815: With e1000 NIC emulation support it was possible to enter an infinite loop (bsc#944697). - CVE-2015-7969: Leak of main per-domain vcpu pointer array leading to denial of service (bsc#950703). - CVE-2015-7969: Leak of per-domain profiling- related vcpu pointer array leading to denial of service (bsc#950705). - CVE-2015-7971: Some pmu and profiling hypercalls log without rate limiting (bsc#950706).
These non-security issues were fixed: - bsc#907514: Bus fatal error: SLES 12 sudden reboot has been observed - bsc#910258: SLES12 Xen host crashes with FATAL NMI after shutdown of guest with VT-d NIC - bsc#918984: Bus fatal error: SLES11-SP4 sudden reboot has been observed - bsc#923967: Partner-L3: Bus fatal error: SLES11-SP3 sudden reboot has been observed - bnc#901488: Intel ixgbe driver assigns rx/tx queues per core resulting in irq problems on servers with a large amount of CPU cores - bsc#945167: Running command: xl pci-assignable-add 03:10.1 secondly show errors - bsc#949138: Setting vcpu affinity under Xen causes libvirtd abort
To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product:
- SUSE Linux Enterprise Software Development Kit 12:
zypper in -t patch SUSE-SLE-SDK-12-2015-795=1
- SUSE Linux Enterprise Server 12:
zypper in -t patch SUSE-SLE-SERVER-12-2015-795=1
- SUSE Linux Enterprise Desktop 12:
zypper in -t patch SUSE-SLE-DESKTOP-12-2015-795=1
To bring your system up-to-date, use "zypper patch".
- SUSE Linux Enterprise Software Development Kit 12 (x86_64):