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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:151174
[Rus]
Version
2
Class
patch
ALTXid
353445
Language
English
Severity
High
Title
SUSE-SU-2021:0521-1 -- Security update for qemu
Description
This update for qemu fixes the security issues.
Family
unix
Product
qemu
Reference
VENDOR: SUSE-SU-2021:0521-1
VENDOR: SUSE-SU-2021:0521-1
Id:
SUSE-SU-2021:0521-1
Reference:
https://www.suse.com/support/update/announcement/2021/SUSE-SU-20210521-1/
CVE: CVE-2020-11947
CVE: CVE-2020-11947
Id:
CVE-2020-11947
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-11947
Comment
: iscsi_aio_ioctl_cb in block/iscsi.c in QEMU 4.1.0 has a heap-based buffer over-read that may disclose unrelated information from process memory to an attacker.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:N
CVSSv3 Score:
3.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
CWE:
125 (Out-of-bounds Read)
References:
[oss-security] 20210113 CVE-2020-11947 QEMU: heap buffer overflow in iSCSI block driver may lead to information disclosure (MLIST)
https://security.netapp.com/advisory/ntap-20210212-0001/ (CONFIRM)
https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=ff0507c239a246fd7215b31c5658fc6a3ee1e4c5 ()
CVE: CVE-2021-20181
CVE: CVE-2021-20181
Id:
CVE-2021-20181
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20181
Comment
: A race condition flaw was found in the 9pfs server implementation of QEMU up to and including 5.2.0. This flaw allows a malicious 9p client to cause a use-after-free error, potentially escalating their privileges on the system. The highest threat from this vulnerability is to confidentiality, integrity as well as system availability.
CVSSv2 Score:
6.9
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:C/I:C/A:C
CVSSv3 Score:
7.5
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:H
CWE:
362 (Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1927007 (MISC)
[debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update (MLIST)
https://www.zerodayinitiative.com/advisories/ZDI-21-159/ (MISC)
https://security.netapp.com/advisory/ntap-20210720-0009/ (CONFIRM)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-20203
CVE: CVE-2021-20203
Id:
CVE-2021-20203
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20203
Comment
: An integer overflow issue was found in the vmxnet3 NIC emulator of the QEMU for versions up to v5.2.0. It may occur if a guest was to supply invalid values for rx/tx queue size or other NIC parameters. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
3.2
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:L
CWE:
190 (Integer Overflow or Wraparound)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1922441 (MISC)
https://bugs.launchpad.net/qemu/+bug/1913873 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-20221
CVE: CVE-2021-20221
Id:
CVE-2021-20221
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20221
Comment
: An out-of-bounds heap buffer access issue was found in the ARM Generic Interrupt Controller emulator of QEMU up to and including qemu 4.2.0on aarch64 platform. The issue occurs because while writing an interrupt ID to the controller memory area, it is not masked to be 4 bits wide. It may lead to the said issue while updating controller state fields and their subsequent processing. A privileged guest user may use this flaw to crash the QEMU process on the host resulting in DoS scenario.
CVSSv2 Score:
2.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:P
CVSSv3 Score:
6
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:N/I:N/A:H
CWE:
125 (Out-of-bounds Read)
References:
[debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update (MLIST)
https://bugzilla.redhat.com/show_bug.cgi?id=1924601 (MISC)
[oss-security] 20210205 CVE-2021-20221 QEMU: aarch64: GIC: out-of-bound heap buffer access via an interrupt ID field (MLIST)
https://security.netapp.com/advisory/ntap-20210708-0005/ (CONFIRM)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
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