Revision as of 13:50, 5 February 2013

The following security advisories have been made in accordance with the xen.org security problem response process.

Please contact security@xen.org if you wish to disclose a security vulnerability.

See Xen Maintenance Releases for information relating to stable branch maintenance.

XSA-1 Host crash due to failure to correctly validate PV kernel execution state.

Date: 14 March 2011
References: CVE-2011-1166
Advisory: Cannot specify user mode execution without specifying user-mode pagetables. Failure to validate this allows a malicious or buggy 64 bit PV guest to crash the host.; nb: predates vulnerability handling process and therefore no formal announcement
Fixes: xen-unstable.hg: 23034:c79aae866ad8; xen-4.1-testing.hg: 22993:842aed720b84; xen-4.0-testing.hg: 21461:ee088a0b5cb8

XSA-2 PV kernel validation vulnerabilities

Date: 9 May 2011
References: CVE-2011-1583
Advisory: http://lists.xen.org/archives/html/xen-devel/2011-05/msg00483.html
Fixes: xen-unstable.hg: 23322:d9982136d8fa; xen-4.1-testing.hg: 23042:e2e575f8b5d9; xen-4.0-testing.hg: 21482:c2adc059e931

XSA-3 VT-d (PCI passthrough) MSI

Date: 12 May 2011
References: CVE-2011-1898
Advisory: http://lists.xen.org/archives/html/xen-devel/2011-05/msg00687.html
Fixes: xen-unstable.hg: 23337:cc91832a02c7; xen-4.1-testing.hg: 23046:ed630a821de1; xen-4.0-testing.hg: 21485:b85a9e58ec3a

XSA-4 Xen 3.3 vaddr validation

Date: 2 September 2011
References: CVE-2011-2901
Advisory: http://lists.xen.org/archives/html/xen-devel/2011-09/msg00119.html
Fixes: xen-unstable.hg: 23800:72edc40e2942; nb: although the off-by-one error was fixed in the above changeset only Xen version 3.3 and earlier were vulnerable due to this error.

XSA-5 IOMMU Fault Live lock

Date: 12 August 2011
References: CVE-2011-3131
Advisory: http://lists.xen.org/archives/html/xen-devel/2011-08/msg00450.html
Fixes: xen-unstable.hg: 23762:537ed3b74b3f; xen-4.1-testing.hg: 23112:84e3706df07a; xen-4.0-testing.hg: 21535:789ff1a462b8

XSA-6 HVM e1000, buffer overflow

Date: 2 February 2012
References: CVE-2012-0029
Advisory: http://lists.xen.org/archives/html/xen-devel/2012-02/msg00212.html
Fixes: qemu-xen-unstable.git: ebe37b2a3f844bad02dcc30d081f39eda06118f8; qemu-xen-4.1-testing.git: 3cf61880403b4e484539596a95937cc066243388; qemu-xen-4.0-testing.git: 36984c285a765541b04f378bfa84d2c850c167d3

In each case the QEMU_TAG in the corresponding xen.hg repository has been updated so that a completely fresh build will pick up the fix:

xen-unstable.hg: 24673:fcc071c31e3a

xen-4.1-testing.hg: 23224:cccd6c68e1b9

xen-4.0-testing.hg: 21563:3feb83eed6bd

XSA-7 64-bit PV guest privilege escalation vulnerability

Date: 12 June 2012 (public disclosure)
References: CVE-2012-0217
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-06/msg00001.html
Fixes: xen-unstable.hg: 25480:76eaf5966c05; xen-4.1-testing.hg: 23299:f08e61b9b33f; xen-4.0-testing.hg: 21590:dd367837e089

XSA-8 guest denial of service on syscall/sysenter exception generation

Date: 12 June 2012 (public disclosure)
References: CVE-2012-0218
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-06/msg00003.html
Fixes: xen-unstable.hg: 25200:80f4113be500 & 25204:569d6f05e1ef; xen-4.1-testing.hg: 23300:0fec1afa4638; xen-4.0-testing.hg: 21591:adb943a387c8

XSA-9 PV guest host Denial of Service (AMD erratum #121)

Date: 12 June 2012 (public disclosure)
References: CVE-2012-2934
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-06/msg00002.html
Fixes: xen-unstable.hg: 25481:bc2f3a848f9a; xen-4.1-testing.hg: 23301:a9c0a89c08f2; xen-4.0-testing.hg: 21592:e35c8bb53255

XSA-10 HVM guest user mode MMIO emulation DoS vulnerability

Date: 26 July 2012 (public disclosure)
References: CVE-2012-3432
Advisory: http://lists.xen.org/archives/html/xen-devel/2012-07/msg01649.html
Fixes: xen-unstable.hg: 25682:ffcb24876b4f; xen-4.1-testing.hg: 23325:a43f5b4b0331; xen-4.0-testing.hg: 21604:82fcf3a5dc3a

XSA-11 HVM guest destroy p2m teardown host DoS vulnerability

Date: 8 August 2012 (public disclosure)
References: CVE-2012-3433
Advisory: http://lists.xen.org/archives/html/xen-devel/2012-08/msg00855.html
Fixes: xen-unstable.hg: Not vulnerable; xen-4.1-testing.hg: 23332:859205b36fe9; xen-4.0-testing.hg: 21608:a51c86b407d7

XSA-12 hypercall set_debugreg vulnerability

Date: 5 September 2012 (public disclosure)
References: CVE-2012-3494
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00000.html
Fixes: xen-unstable.hg: 25814:4f1c69648201; xen-4.1-testing.hg: 23349:bcc340292731; xen-4.0-testing.hg: 21613:92334c7f577e

XSA-13 hypercall physdev_get_free_pirq vulnerability

Date: 5 September 2012 (public disclosure)
References: CVE-2012-3495
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00001.html
Fixes: xen-unstable.hg: Not vulnerable; xen-4.1-testing.hg: 23350:6779ddca8593

XSA-14 XENMEM_populate_physmap DoS vulnerability

Date: 5 September 2012 (public disclosure)
References: CVE-2012-3496
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00002.html
Fixes: xen-unstable.hg: 25815:bcf58ef63b7c; xen-4.1-testing.hg: 23351:8ebda5388e4e; xen-4.0-testing.hg: 21614:96b08706a0ed

XSA-15 multiple TMEM hypercall vulnerabilities

Date: 5 September 2012 (public disclosure)
References: CVE-2012-3497
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00006.html
Fixes: None at this time. See advisory for details.

XSA-16 PHYSDEVOP_map_pirq index vulnerability

Date: 5 September 2012 (public disclosure)
References: CVE-2012-3498
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00005.html
Fixes: xen-unstable.hg: 25816:2750340a347d; xen-4.1-testing.hg: 23352:936f63ee4dad

XSA-17 Qemu VT100 emulation vulnerability

Date: 5 September 2012 (public disclosure)
References: CVE-2012-3515
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00003.html
Fixes: qemu-upstream-unstable.git: 87650d262dea07c955a683dcac75db86477c7ee3 (qemu-xen tree); qemu-xen-unstable.git: a56ae4b5069c7b23ee657b15f08443a9b14a8e7b (qemu-xen-traditional tree); qemu-xen-4.1-testing.git: 3220480734832a148d26f7a81f90af61c2ecfdd9 (qemu-xen-traditional tree); qemu-xen-4.0-testing.git: 091149d364e893e643a5da3175c3f84d2163cb3e (qemu-xen-traditional tree)

In each case the QEMU_TAG in the corresponding xen.hg repository has been updated so that a completely fresh build will pick up the fix to qemu-xen-traditional:

xen-unstable.hg: 25818:50adc933faaf

xen-4.1-testing.hg: 23353:3e4782f17f5c

xen-4.0-testing.hg: 21615:79444af3258c

XSA-18 grant table entry swaps have inadequate bounds checking

Date: 5 September 2012 (public disclosure)
References: CVE-2012-3516
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00004.html
Fixes: xen-unstable.hg: 25817:93e5a791d076

XSA-19 guest administrator can access qemu monitor console

Date: 6 September 2012 (public disclosure)
References: CVE-2012-4411
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-09/msg00007.html
Fixes: qemu-upstream-unstable.git: Not vulnerable; qemu-xen-unstable.git: bacc0d302445c75f18f4c826750fb5853b60e7ca; qemu-xen-4.1-testing.git: d7d453f51459b591faa96d1c123b5bfff7c5b6b6; qemu-xen-4.0-testing.git: eaa1bd612f50d2f253738ed19e14981e4ede98a5

In each case the QEMU_TAG in the corresponding xen.hg repository has been updated so that a completely fresh build will pick up the fix:

xen-unstable.hg: 25822:ec23c2a11f6f

xen-4.1-testing.hg: 23354:9be1175d2ac3

xen-4.0-testing.hg: 21616:512168f88df9 & 21617:1d1538beeada

XSA 20 Timer overflow DoS vulnerability

Date: 13 November 2012
References: CVE-2012-4535
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-11/msg00001.html
Fixes: xen-unstable.hg: 26148:bf58b94b3cef; xen-4.2-testing.hg: 25919:788af5959f69; xen-4.1-testing.hg: 23406:701f5e3321c1; xen-4.0-testing.hg: 21618:6b9809dc1e86

XSA 21 pirq range check DoS vulnerability

Date: 13 November 2012
References: CVE-2012-4536
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-11/msg00003.html
Fixes: xen-unstable.hg: Not vulnerable; xen-4.2-testing.hg: Not vulnerable; xen-4.1-testing.hg: 23407:210f16b6509b

XSA 22 Memory mapping failure DoS vulnerability

Date: 13 November 2012
References: CVE-2012-4537
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-11/msg00005.html
Fixes: xen-unstable.hg: 26149:6b6a4007a609; xen-4.2-testing.hg: 25920:4cffe28427e0; xen-4.1-testing.hg: 23408:f635b1447d7e; xen-4.0-testing.hg: 21619:04462a8c7966; xen-3.4-testing.hg: 20028:b42c35f6369a

XSA 23 Unhooking empty PAE entries DoS vulnerability

Date: 13 November 2012
References: CVE-2012-4538
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-11/msg00004.html
Fixes: xen-unstable.hg: 26150:c7a01b6450e4; xen-4.2-testing.hg: 25921:159080b58dda; xen-4.1-testing.hg: 23409:61eb3d030f52; xen-4.0-testing.hg: 21620:c52d74b254dc

XSA 24 Grant table hypercall infinite loop DoS vulnerability

Date: 13 November 2012
References: CVE-2012-4539
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-11/msg00002.html
Fixes: xen-unstable.hg: 26151:b64a7d868f06; xen-4.2-testing.hg: 25922:8ca6372315f8; xen-4.1-testing.hg: 23410:178f63286b02; xen-4.0-testing.hg: 21621:68d7b9cc8259

XSA 25 Xen domain builder Out-of-memory due to malicious kernel/ramdisk

Date: 13 November 2012
References: CVE-2012-4544,CVE-2012-2625
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-11/msg00006.html
Fixes: xen-unstable.hg: 25589:60f09d1ab1fe 26115:37a8946eeb9d; xen-4.2-testing.hg: 25589:60f09d1ab1fe 25883:537776f51f79; xen-4.1-testing.hg: 23385:69d1cc78a5bd

XSA 26 Grant table version switch list corruption vulnerability

Date: 3 December 2012 (public disclosure)
References: CVE-2012-5510
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-12/msg00000.html
Fixes: xen-unstable.hg: 26229:90a697f3e78c; xen-4.2-testing.hg: 25933:dea7d4e5bfc1; xen-4.1-testing.hg: 23416:7172203aec98

XSA 27 several HVM operations do not validate the range of their inputs

Date: 3 December 2012 (public disclosure)
References: CVE-2012-5511
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-12/msg00006.html
Fixes: xen-unstable.hg: 26230:96fed5bcd097; xen-4.2-testing.hg: 25934:5771c761ff1b; xen-4.1-testing.hg: 23417:53ef1f35a0f8

XSA 28 HVMOP_get_mem_access crash / HVMOP_set_mem_access information leak

Date: 3 December 2012 (public disclosure)
References: CVE-2012-5512
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-12/msg00003.html
Fixes: xen-unstable.hg: Not vulnerable; xen-4.2-testing.hg: Not vulnerable; xen-4.1-testing.hg: 23418:e7c8ffa11596

XSA 29 XENMEM_exchange may overwrite hypervisor memory

Date: 3 December 2012 (public disclosure)
References: CVE-2012-5513
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-12/msg00004.html
Fixes: xen-unstable.hg: 26231:b406e395995f; xen-4.2-testing.hg: 25935:83ab3cd0f8e4; xen-4.1-testing.hg: 23419:f81286b3be32

XSA 30 Broken error handling in guest_physmap_mark_populate_on_demand()

Date: 3 December 2012 (public disclosure)
References: CVE-2012-5514
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-12/msg00005.html
Fixes: xen-unstable.hg: 26232:ddf4ead1afda; xen-4.2-testing.hg: 25936:09a48c5da636; xen-4.1-testing.hg: 23420:cadc212c8ef3

XSA 31 Several memory hypercall operations allow invalid extent order values

Date: 3 December 2012 (public disclosure)
References: CVE-2012-5515
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-12/msg00001.html
Fixes: xen-unstable.hg: 26233:f2c836302c0f; xen-4.2-testing.hg: 25937:2c3f00c5189b; xen-4.1-testing.hg: 23421:a8a9e1c126ea

XSA 32 several hypercalls do not validate input GFNs

Date: 3 December 2012 (public disclosure)
References: CVE-2012-5525
Advisory: http://lists.xen.org/archives/html/xen-announce/2012-12/msg00002.html
Fixes: xen-unstable.hg: 26234:bc624b00d6d6; xen-4.2-testing.hg: 25938:b306bce61341; xen-4.1-testing.hg: Not vulnerable

XSA 33 VT-d interrupt remapping source validation flaw

Date: 9 January 2013 (public release)
References: CVE-2012-5634
Advisory: http://lists.xen.org/archives/html/xen-announce/2013-01/msg00001.html
Fixes: xen-unstable.hg: 26340:19fd1237ff0d; xen-4.2-testing.hg: 25967:2fff08507add; xen-4.1-testing.hg: 23441:2a91623a5807

XSA 34 nested virtualization on 32-bit exposes host crash

Date: 22 January 2013 (public release)
References: CVE-2013-0151
Advisory: http://lists.xen.org/archives/html/xen-announce/2013-01/msg00008.html
Fixes: xen-unstable.hg: Not vulnerable; xen-4.2-testing.hg: 25972:fef7ef92f08e

XSA 35 Nested HVM exposes host to being driven out of memory by guest

Date: 22 January 2013 (public release)
References: CVE-2013-0152
Advisory: http://lists.xen.org/archives/html/xen-announce/2013-01/msg00009.html
Fixes: xen-unstable.hg: 26444:621b1a889e9b; xen-4.2-testing.hg: 25973:7c04074a0a0f

@@ Line 2: / Line 2: @@
 Please contact [mailto:security@xen.org security@xen.org] if you wish to disclose a security vulnerability.
+See [[Xen Maintenance Releases]] for information relating to stable branch maintenance.
 = XSA-1 Host crash due to failure to correctly validate PV kernel execution state. =

Security Announcements (Historical): Difference between revisions