SUSE Security Update: Security update for xen ______________________________________________________________________________
Announcement ID: SUSE-SU-2017:2319-1 Rating: important References: #1002573 #1046637 #1047675 #1048920 #1049578 #1051787 #1051788 #1052686 Cross-References: CVE-2017-10664 CVE-2017-10806 CVE-2017-11334 CVE-2017-11434 CVE-2017-12135 CVE-2017-12137
Affected Products: SUSE OpenStack Cloud 6 SUSE Linux Enterprise Server for SAP 12-SP1 SUSE Linux Enterprise Server 12-SP1-LTSS ______________________________________________________________________________
An update that solves 6 vulnerabilities and has two fixes is now available.
Description:
This update for xen fixes several issues.
These security issues were fixed:
- CVE-2017-12135: Unbounded recursion in grant table code allowed a malicious guest to crash the host or potentially escalate privileges/leak information (XSA-226, bsc#1051787). - CVE-2017-12137: Incorrectly-aligned updates to pagetables allowed for privilege escalation (XSA-227, bsc#1051788). - CVE-2017-11434: The dhcp_decode function in slirp/bootp.c allowed local guest OS users to cause a denial of service (out-of-bounds read) via a crafted DHCP options string (bsc#1049578). - CVE-2017-10664: qemu-nbd did not ignore SIGPIPE, which allowed remote attackers to cause a denial of service (daemon crash) by disconnecting during a server-to-client reply attempt (bsc#1046637). - CVE-2017-11334: The address_space_write_continue function in exec.c allowed local guest OS privileged users to cause a denial of service (out-of-bounds access and guest instance crash) by leveraging use of qemu_map_ram_ptr to access guest ram block area (bsc#1048920). - CVE-2017-10806: Stack-based buffer overflow in hw/usb/redirect.c allowed local guest OS users to cause a denial of service via vectors related to logging debug messages (bsc#1047675). - bsc#1052686: Premature clearing of GTF_writing / GTF_reading lead to potentially leaking sensitive information (XSA-230).
This non-security issue was fixed:
- bsc#1002573: Optimized LVM functions in block-dmmd block-dmmd
Patch Instructions:
To install this SUSE Security Update use YaST online_update. Alternatively you can run the command listed for your product:
- SUSE OpenStack Cloud 6:
zypper in -t patch SUSE-OpenStack-Cloud-6-2017-1428=1
- SUSE Linux Enterprise Server for SAP 12-SP1:
zypper in -t patch SUSE-SLE-SAP-12-SP1-2017-1428=1
- SUSE Linux Enterprise Server 12-SP1-LTSS:
zypper in -t patch SUSE-SLE-SERVER-12-SP1-2017-1428=1
To bring your system up-to-date, use "zypper patch".
Package List:
- SUSE OpenStack Cloud 6 (x86_64):
xen-4.5.5_14-22.25.1 xen-debugsource-4.5.5_14-22.25.1 xen-doc-html-4.5.5_14-22.25.1 xen-kmp-default-4.5.5_14_k3.12.74_60.64.54-22.25.1 xen-kmp-default-debuginfo-4.5.5_14_k3.12.74_60.64.54-22.25.1 xen-libs-32bit-4.5.5_14-22.25.1 xen-libs-4.5.5_14-22.25.1 xen-libs-debuginfo-32bit-4.5.5_14-22.25.1 xen-libs-debuginfo-4.5.5_14-22.25.1 xen-tools-4.5.5_14-22.25.1 xen-tools-debuginfo-4.5.5_14-22.25.1 xen-tools-domU-4.5.5_14-22.25.1 xen-tools-domU-debuginfo-4.5.5_14-22.25.1
- SUSE Linux Enterprise Server for SAP 12-SP1 (x86_64):
xen-4.5.5_14-22.25.1 xen-debugsource-4.5.5_14-22.25.1 xen-doc-html-4.5.5_14-22.25.1 xen-kmp-default-4.5.5_14_k3.12.74_60.64.54-22.25.1 xen-kmp-default-debuginfo-4.5.5_14_k3.12.74_60.64.54-22.25.1 xen-libs-32bit-4.5.5_14-22.25.1 xen-libs-4.5.5_14-22.25.1 xen-libs-debuginfo-32bit-4.5.5_14-22.25.1 xen-libs-debuginfo-4.5.5_14-22.25.1 xen-tools-4.5.5_14-22.25.1 xen-tools-debuginfo-4.5.5_14-22.25.1 xen-tools-domU-4.5.5_14-22.25.1 xen-tools-domU-debuginfo-4.5.5_14-22.25.1
- SUSE Linux Enterprise Server 12-SP1-LTSS (x86_64):
xen-4.5.5_14-22.25.1 xen-debugsource-4.5.5_14-22.25.1 xen-doc-html-4.5.5_14-22.25.1 xen-kmp-default-4.5.5_14_k3.12.74_60.64.54-22.25.1 xen-kmp-default-debuginfo-4.5.5_14_k3.12.74_60.64.54-22.25.1 xen-libs-32bit-4.5.5_14-22.25.1 xen-libs-4.5.5_14-22.25.1 xen-libs-debuginfo-32bit-4.5.5_14-22.25.1 xen-libs-debuginfo-4.5.5_14-22.25.1 xen-tools-4.5.5_14-22.25.1 xen-tools-debuginfo-4.5.5_14-22.25.1 xen-tools-domU-4.5.5_14-22.25.1 xen-tools-domU-debuginfo-4.5.5_14-22.25.1
References:
https://www.suse.com/security/cve/CVE-2017-10664.html https://www.suse.com/security/cve/CVE-2017-10806.html https://www.suse.com/security/cve/CVE-2017-11334.html https://www.suse.com/security/cve/CVE-2017-11434.html https://www.suse.com/security/cve/CVE-2017-12135.html https://www.suse.com/security/cve/CVE-2017-12137.html https://bugzilla.suse.com/1002573 https://bugzilla.suse.com/1046637 https://bugzilla.suse.com/1047675 https://bugzilla.suse.com/1048920 https://bugzilla.suse.com/1049578 https://bugzilla.suse.com/1051787 https://bugzilla.suse.com/1051788 https://bugzilla.suse.com/1052686