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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:158982
[Rus]
Version
2
Class
patch
ALTXid
365311
Language
English
Severity
High
Title
SUSE-SU-2021:14774-1 -- Security update for kvm
Description
This update for kvm fixes the security issues.
Family
unix
Product
kvm
Reference
VENDOR: SUSE-SU-2021:14774-1
VENDOR: SUSE-SU-2021:14774-1
Id:
SUSE-SU-2021:14774-1
Reference:
https://www.suse.com/support/update/announcement/2021/SUSE-SU-202114774-1/
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-2020-15469
CVE: CVE-2020-15469
Id:
CVE-2020-15469
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15469
Comment
: In QEMU 4.2.0, a MemoryRegionOps object may lack read/write callback methods, leading to a NULL pointer dereference.
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:
2.3
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L
CWE:
476 (NULL Pointer Dereference)
References:
https://lists.gnu.org/archive/html/qemu-devel/2020-06/msg09961.html (MISC)
http://www.openwall.com/lists/oss-security/2020/07/02/1 (CONFIRM)
[debian-lts-announce] 20210218 [SECURITY] [DLA 2560-1] qemu security update (MLIST)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2020-15863
CVE: CVE-2020-15863
Id:
CVE-2020-15863
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-15863
Comment
: hw/net/xgmac.c in the XGMAC Ethernet controller in QEMU before 07-20-2020 has a buffer overflow. This occurs during packet transmission and affects the highbank and midway emulated machines. A guest user or process could use this flaw to crash the QEMU process on the host, resulting in a denial of service or potential privileged code execution. This was fixed in commit 5519724a13664b43e225ca05351c60b4468e4555.
CVSSv2 Score:
4.4
Access vector:
LOCAL
Access complexity:
MEDIUM
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:M/Au:N/C:P/I:P/A:P
CVSSv3 Score:
5.3
Attack vector:
LOCAL
Attack complexity:
HIGH
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:L
CWE:
787 (Out-of-bounds Write)
References:
http://www.openwall.com/lists/oss-security/2020/07/22/1 (CONFIRM)
https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg03497.html (MISC)
https://lists.nongnu.org/archive/html/qemu-devel/2020-07/msg05745.html (MISC)
USN-4467-1 (UBUNTU)
DSA-4760 (DEBIAN)
openSUSE-SU-2020:1664 (SUSE)
GLSA-202208-27 (GENTOO)
https://git.qemu.org/?p=qemu.git%3Ba=commitdiff%3Bh=5519724a13664b43e225ca05351c60b4468e4555 ()
CVE: CVE-2020-25707
CVE: CVE-2020-25707
Id:
CVE-2020-25707
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-25707
Comment
: Rejected reason: DO NOT USE THIS CANDIDATE NUMBER. Reason: This candidate is a duplicate of CVE-2020-2891
References:
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)
CVE: CVE-2021-3416
CVE: CVE-2021-3416
Id:
CVE-2021-3416
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3416
Comment
: A potential stack overflow via infinite loop issue was found in various NIC emulators of QEMU in versions up to and including 5.2.0. The issue occurs in loopback mode of a NIC wherein reentrant DMA checks get bypassed. A guest user/process may use this flaw to consume CPU cycles or 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:
835 (Loop with Unreachable Exit Condition ('Infinite Loop'))
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1932827 (MISC)
https://www.openwall.com/lists/oss-security/2021/02/26/1 (MISC)
[debian-lts-announce] 20210410 [SECURITY] [DLA 2623-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20210507-0002/ (CONFIRM)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-3592
CVE: CVE-2021-3592
Id:
CVE-2021-3592
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3592
Comment
: An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the bootp_input() function and could occur while processing a udp packet that is smaller than the size of the 'bootp_t' structure. A malicious guest could use this flaw to leak 10 bytes of uninitialized heap memory from the host. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
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:
824 (Access of Uninitialized Pointer)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1970484 (MISC)
GLSA-202107-44 (GENTOO)
https://security.netapp.com/advisory/ntap-20210805-0004/ (CONFIRM)
[debian-lts-announce] 20210902 [SECURITY] [DLA 2753-1] qemu security update (MLIST)
[debian-lts-announce] 20210911 [SECURITY] [DLA 2753-2] qemu regression update (MLIST)
[debian-lts-announce] 20230314 [SECURITY] [DLA 3362-1] qemu security update (MLIST)
FEDORA-2021-71de23bedd ()
FEDORA-2021-7cd749f133 ()
CVE: CVE-2021-3594
CVE: CVE-2021-3594
Id:
CVE-2021-3594
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3594
Comment
: An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp_input() function and could occur while processing a udp packet that is smaller than the size of the 'udphdr' structure. This issue may lead to out-of-bounds read access or indirect host memory disclosure to the guest. The highest threat from this vulnerability is to data confidentiality. This flaw affects libslirp versions prior to 4.6.0.
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:
824 (Access of Uninitialized Pointer)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1970491 (MISC)
GLSA-202107-44 (GENTOO)
https://security.netapp.com/advisory/ntap-20210805-0004/ (CONFIRM)
[debian-lts-announce] 20210902 [SECURITY] [DLA 2753-1] qemu security update (MLIST)
[debian-lts-announce] 20230314 [SECURITY] [DLA 3362-1] qemu security update (MLIST)
FEDORA-2021-71de23bedd ()
FEDORA-2021-7cd749f133 ()
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