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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:176150
[Rus]
Version
2
Class
patch
ALTXid
388344
Language
English
Severity
High
Title
DLA-2970-1 -- qemu security update
Description
Several issues were discovered in QEMU, a fast processor emulator, which could result in denial of service, information disclosure or the the execution of arbitrary code.
Family
unix
Platform
Debian 9
Product
qemu
Reference
VENDOR: DLA-2970-1
VENDOR: DLA-2970-1
Id:
DLA-2970-1
Reference:
https://lists.debian.org/debian-lts-announce/2022/debian-lts-announce-202204/msg00002.html
CVE: CVE-2021-3593
CVE: CVE-2021-3593
Id:
CVE-2021-3593
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3593
Comment
: An invalid pointer initialization issue was found in the SLiRP networking implementation of QEMU. The flaw exists in the udp6_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=1970487 (MISC)
GLSA-202107-44 (GENTOO)
https://security.netapp.com/advisory/ntap-20210805-0004/ (CONFIRM)
[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update (MLIST)
[debian-lts-announce] 20230314 [SECURITY] [DLA 3362-1] qemu security update (MLIST)
FEDORA-2021-71de23bedd ()
FEDORA-2021-7cd749f133 ()
CVE: CVE-2021-3748
CVE: CVE-2021-3748
Id:
CVE-2021-3748
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3748
Comment
: A use-after-free vulnerability was found in the virtio-net device of QEMU. It could occur when the descriptor's address belongs to the non direct access region, due to num_buffers being set after the virtqueue elem has been unmapped. A malicious guest could use this flaw to crash QEMU, resulting in a denial of service condition, or potentially execute code on the host with the privileges of the QEMU process.
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:
416 (Use After Free)
References:
https://github.com/qemu/qemu/commit/bedd7e93d01961fcb16a97ae45d93acf357e11f6 (MISC)
https://ubuntu.com/security/CVE-2021-3748 (MISC)
https://bugzilla.redhat.com/show_bug.cgi?id=1998514 (MISC)
https://lists.nongnu.org/archive/html/qemu-devel/2021-09/msg00388.html (MISC)
[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20220425-0004/ (CONFIRM)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-3930
CVE: CVE-2021-3930
Id:
CVE-2021-3930
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3930
Comment
: An off-by-one error was found in the SCSI device emulation in QEMU. It could occur while processing MODE SELECT commands in mode_sense_page() if the 'page' argument was set to MODE_PAGE_ALLS (0x3f). A malicious guest could use this flaw to potentially crash QEMU, resulting in a denial of service condition.
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:
6.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE:
193 (Off-by-one Error)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=2020588 (MISC)
https://security.netapp.com/advisory/ntap-20220225-0007/ (CONFIRM)
[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update (MLIST)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2021-20196
CVE: CVE-2021-20196
Id:
CVE-2021-20196
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20196
Comment
: A NULL pointer dereference flaw was found in the floppy disk emulator of QEMU. This issue occurs while processing read/write ioport commands if the selected floppy drive is not initialized with a block device. This flaw allows a privileged guest user to crash the QEMU process on the host, resulting in a denial of service. The highest threat from this vulnerability is to system availability.
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:
6.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
CHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
CWE:
476 (NULL Pointer Dereference)
References:
https://bugs.launchpad.net/qemu/+bug/1912780 (MISC)
https://www.openwall.com/lists/oss-security/2021/01/28/1 (MISC)
https://security.netapp.com/advisory/ntap-20210708-0004/ (CONFIRM)
[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update (MLIST)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
CVE: CVE-2022-26354
CVE: CVE-2022-26354
Id:
CVE-2022-26354
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-26354
Comment
: A flaw was found in the vhost-vsock device of QEMU. In case of error, an invalid element was not detached from the virtqueue before freeing its memory, leading to memory leakage and other unexpected results. Affected QEMU versions <= 6.2.0.
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:
772 (Missing Release of Resource after Effective Lifetime)
References:
https://gitlab.com/qemu-project/qemu/-/commit/8d1b247f3748ac4078524130c6d7ae42b6140aaf (MISC)
[debian-lts-announce] 20220404 [SECURITY] [DLA 2970-1] qemu security update (MLIST)
https://security.netapp.com/advisory/ntap-20220425-0003/ (CONFIRM)
DSA-5133 (DEBIAN)
GLSA-202208-27 (GENTOO)
[debian-lts-announce] 20220905 [SECURITY] [DLA 3099-1] qemu security update (MLIST)
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