SUSE-SU-2017:2327-2

See a problem?
Please try reporting it to the source first.
Source
https://www.suse.com/support/update/announcement/2017/suse-su-20172327-2/
Import Source
https://ftp.suse.com/pub/projects/security/osv/SUSE-SU-2017:2327-2.json
JSON Data
https://api.osv.dev/v1/vulns/SUSE-SU-2017:2327-2
Related
Published
2017-11-16T10:21:10Z
Modified
2017-11-16T10:21:10Z
Summary
Security update for xen
Details

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-2017-12136: Race conditions with maptrack free list handling allows a malicious guest administrator to crash the host or escalate their privilege to that of the host (XSA-228, bsc#1051789).
  • 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-2017-12855: Premature clearing of GTFwriting / GTFreading lead to potentially leaking sensitive information (XSA-230 bsc#1052686.

These non-security issues were fixed:

  • bsc#1055695: XEN: 11SP4 and 12SP3 HVM guests can not be restored after the save using xl stack
  • bsc#1035231: Migration of HVM domU did not use superpages on destination dom0
  • bsc#1002573: Optimized LVM functions in block-dmmd block-dmmd
References

Affected packages

SUSE:Linux Enterprise Server 12 SP3 / xen

Package

Name
xen
Purl
pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.0_11-3.9.1

Ecosystem specific 

{
    "binaries": [
        {
            "xen-libs": "4.9.0_11-3.9.1",
            "xen-doc-html": "4.9.0_11-3.9.1",
            "xen-libs-32bit": "4.9.0_11-3.9.1",
            "xen-tools": "4.9.0_11-3.9.1",
            "xen-tools-domU": "4.9.0_11-3.9.1",
            "xen": "4.9.0_11-3.9.1"
        }
    ]
}

SUSE:Linux Enterprise Server for SAP Applications 12 SP3 / xen

Package

Name
xen
Purl
pkg:rpm/suse/xen&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9.0_11-3.9.1

Ecosystem specific 

{
    "binaries": [
        {
            "xen-libs": "4.9.0_11-3.9.1",
            "xen-doc-html": "4.9.0_11-3.9.1",
            "xen-libs-32bit": "4.9.0_11-3.9.1",
            "xen-tools": "4.9.0_11-3.9.1",
            "xen-tools-domU": "4.9.0_11-3.9.1",
            "xen": "4.9.0_11-3.9.1"
        }
    ]
}