This update for xen fixes the following issues: Security issues fixed :

  - CVE-2018-12617: Fix integer overflow that causes     segmentation fault in qmp_guest_file_read() with     g_malloc() (bsc#1098744).

  - CVE-2018-3665: Fix Lazy FP Save/Restore issue (XSA-267)     (bsc#1095242).

  - CVE-2018-11806: Fix heap buffer overflow while     reassembling fragmented datagrams (bsc#1096224).

  - CVE-2018-12891: Fix possible Denial of Service (DoS) via     certain PV MMU operations that affect the entire host     (XSA-264) (bsc#1097521).

  - CVE-2018-12893: Fix crash/Denial of Service (DoS) via     safety check (XSA-265) (bsc#1097522). Bug fixes :

  - bsc#1079730: Fix failed 'write' lock.

  - bsc#1027519: Add upstream patches from January.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

This update for xen fixes the following issues: Security issues fixed :

  - CVE-2018-12891: Fix preemption checks bypass in x86 PV     MM handling (XSA-264) (bsc#1097521).

  - CVE-2018-12892: Fix libxl failure to honour readonly     flag on HVM emulated SCSI disks (XSA-266) (bsc#1097523).

  - CVE-2018-12893: Fix #DB exception safety check that     could be triggered by a guest (XSA-265) (bsc#1097522).

  - CVE-2018-11806: Fix heap buffer overflow while     reassembling fragmented datagrams (bsc#1096224).

  - CVE-2018-3665: Fix lazy FP Save/Restore (XSA-267)     (bsc#1095242). Bug fixes :

  - bsc#1027519: Update to Xen 4.7.6 bug fix only release.

  - bsc#1087289: Xen BUG at sched_credit.c:1663.

  - bsc#1094725: `virsh blockresize` does not work with Xen     qdisks.

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2019-4585 advisory.

    - usb-mtp: use O_NOFOLLOW and O_CLOEXEC. (Gerd Hoffmann)  [Orabug: 29216656]  {CVE-2018-16872}
    - pvrdma: add uar_read routine (Prasad J Pandit)  [Orabug: 29216658]  {CVE-2018-20191}
    - pvrdma: release ring object in case of an error (Prasad J Pandit)  [Orabug: 29216659]  {CVE-2018-20126}
    - pvrdma: check number of pages when creating rings (Prasad J Pandit)  [Orabug: 29216666]     {CVE-2018-20125}
    - pvrdma: check return value from pvrdma_idx_ring_has_ routines (Prasad J Pandit)  [Orabug: 29216672]     {CVE-2018-20216}
    - rdma: remove unused VENDOR_ERR_NO_SGE macro (Prasad J Pandit)  [Orabug: 29216678]  {CVE-2018-20124}
    - rdma: check num_sge does not exceed MAX_SGE (Prasad J Pandit)  [Orabug: 29216678]  {CVE-2018-20124}
    - Document various CVEs as fixed (Mark Kanda)  [Orabug: 29212424]  {CVE-2017-10806} {CVE-2017-11334}     {CVE-2017-12809} {CVE-2017-13672} {CVE-2017-13673} {CVE-2017-13711} {CVE-2017-14167} {CVE-2017-15038}     {CVE-2017-15119} {CVE-2017-15124} {CVE-2017-15268} {CVE-2017-15289} {CVE-2017-16845} {CVE-2017-17381}     {CVE-2017-18030} {CVE-2017-18043} {CVE-2017-2630} {CVE-2017-2633} {CVE-2017-5715} {CVE-2017-5753}     {CVE-2017-5754} {CVE-2017-7471} {CVE-2017-7493} {CVE-2017-8112} {CVE-2017-8309} {CVE-2017-8379}     {CVE-2017-8380} {CVE-2017-9503} {CVE-2018-10839} {CVE-2018-11806} {CVE-2018-12617} {CVE-2018-15746}     {CVE-2018-16847} {CVE-2018-16867} {CVE-2018-17958} {CVE-2018-17962} {CVE-2018-17963} {CVE-2018-18849}     {CVE-2018-19364} {CVE-2018-19489} {CVE-2018-3639} {CVE-2018-5683} {CVE-2018-7550} {CVE-2018-7858}

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Published	Updated	Severity
111371	SUSE SLES12 Security Update : xen (SUSE-SU-2018:2069-1)	Nessus	SuSE Local Security Checks	7/27/2018	9/2/2024	high
111433	SUSE SLES12 Security Update : xen (SUSE-SU-2018:2081-1)	Nessus	SuSE Local Security Checks	7/30/2018	9/2/2024	critical
180740	Oracle Linux 7 : qemu (ELSA-2019-4585)	Nessus	Oracle Linux Local Security Checks	9/7/2023	1/9/2026	critical

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