suse-su-2017:2541-1
Vulnerability from csaf_suse
Published
2017-09-21 15:30
Modified
2017-09-21 15:30
Summary
Security update for xen
Notes
Title of the patch
Security update for xen
Description of the patch
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-2017-11334: 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-2017-11434: 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-2017-10806: 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).
- 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 GTF_writing / GTF_reading lead to
potentially leaking sensitive information (XSA-230, bsc#1052686).
- CVE-2017-14316: Missing bound check in function `alloc_heap_pages` for an
internal array allowed attackers using crafted hypercalls to execute
arbitrary code within Xen (XSA-231, bsc#1056278)
- CVE-2017-14317: A race in cxenstored may have cause a double-free allowind for
DoS of the xenstored daemon (XSA-233, bsc#1056281).
- CVE-2017-14319: An error while handling grant mappings allowed malicious or
buggy x86 PV guest to escalate its privileges or crash the hypervisor (XSA-234,
bsc#1056282).
These non-security issues were fixed:
- bsc#1002573: Optimized LVM functions in block-dmmd block-dmmd
- bsc#1032598: Prevent removal of NVME devices
- bsc#1037413: Support for newer intel cpu's, mwait-idle driver and skylake
Patchnames
SUSE-SLE-SAP-12-2017-1576,SUSE-SLE-SERVER-12-2017-1576
Terms of use
CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
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"text": "This update for xen fixes several issues.\n\nThese security issues were fixed:\n\n- CVE-2017-12135: Unbounded recursion in grant table code allowed a malicious\n guest to crash the host or potentially escalate privileges/leak information\n (XSA-226, bsc#1051787).\n- CVE-2017-12137: Incorrectly-aligned updates to pagetables allowed for\n privilege escalation (XSA-227, bsc#1051788).\n- CVE-2017-11334: The address_space_write_continue function in exec.c allowed\n local guest OS privileged users to cause a denial of service (out-of-bounds\n access and guest instance crash) by leveraging use of qemu_map_ram_ptr to\n access guest ram block area (bsc#1048920).\n- CVE-2017-11434: The dhcp_decode function in slirp/bootp.c allowed local guest\n OS users to cause a denial of service (out-of-bounds read) via a crafted DHCP\n options string (bsc#1049578).\n- CVE-2017-10806: Stack-based buffer overflow in hw/usb/redirect.c allowed\n local guest OS users to cause a denial of service via vectors related to\n logging debug messages (bsc#1047675).\n- CVE-2017-10664: qemu-nbd did not ignore SIGPIPE, which allowed remote\n attackers to cause a denial of service (daemon crash) by disconnecting during \n a server-to-client reply attempt (bsc#1046637).\n- CVE-2017-12855: Premature clearing of GTF_writing / GTF_reading lead to\n potentially leaking sensitive information (XSA-230, bsc#1052686).\n- CVE-2017-14316: Missing bound check in function `alloc_heap_pages` for an\n internal array allowed attackers using crafted hypercalls to execute\n arbitrary code within Xen (XSA-231, bsc#1056278)\n- CVE-2017-14317: A race in cxenstored may have cause a double-free allowind for\n DoS of the xenstored daemon (XSA-233, bsc#1056281).\n- CVE-2017-14319: An error while handling grant mappings allowed malicious or\n buggy x86 PV guest to escalate its privileges or crash the hypervisor (XSA-234,\n bsc#1056282).\n\nThese non-security issues were fixed:\n\n- bsc#1002573: Optimized LVM functions in block-dmmd block-dmmd\n- bsc#1032598: Prevent removal of NVME devices\n- bsc#1037413: Support for newer intel cpu\u0027s, mwait-idle driver and skylake\n",
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"vulnerabilities": [
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"ids": [
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"text": "https://www.suse.com/security/cve/CVE-2017-10664"
}
],
"notes": [
{
"category": "general",
"text": "qemu-nbd in QEMU (aka Quick Emulator) does not ignore SIGPIPE, which allows remote attackers to cause a denial of service (daemon crash) by disconnecting during a server-to-client reply attempt.",
"title": "CVE description"
}
],
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}
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"title": "CVE description"
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{
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{
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"details": "important"
}
],
"title": "CVE-2017-14316"
},
{
"cve": "CVE-2017-14317",
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"text": "https://www.suse.com/security/cve/CVE-2017-14317"
}
],
"notes": [
{
"category": "general",
"text": "A domain cleanup issue was discovered in the C xenstore daemon (aka cxenstored) in Xen through 4.9.x. When shutting down a VM with a stubdomain, a race in cxenstored may cause a double-free. The xenstored daemon may crash, resulting in a DoS of any parts of the system relying on it (including domain creation / destruction, ballooning, device changes, etc.).",
"title": "CVE description"
}
],
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{
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"title": "CVE description"
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}
],
"title": "CVE-2017-14319"
}
]
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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