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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:152019
[Rus]
Version
3
Class
patch
ALTXid
354290
Language
English
Severity
High
Title
CentOS Stream 8 -- security update for kernel, python3-perf, perf, bpftool
Description
CentOS Stream security update for kernel, python3-perf, perf, bpftool.
Family
unix
Platform
CentOS Stream 8
Product
bpftool
kernel
perf
python3-perf
Reference
VENDOR: CentOS-Stream-13.04.2021-2115637333
VENDOR: CentOS-Stream-13.04.2021-2115637333
Id:
CentOS-Stream-13.04.2021-2115637333
Reference:
https://feeds.centos.org
CVE: CVE-2020-28974
CVE: CVE-2020-28974
Id:
CVE-2020-28974
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-28974
Comment
: A slab-out-of-bounds read in fbcon in the Linux kernel before 5.9.7 could be used by local attackers to read privileged information or potentially crash the kernel, aka CID-3c4e0dff2095. This occurs because KD_FONT_OP_COPY in drivers/tty/vt/vt.c can be used for manipulations such as font height.
CVSSv2 Score:
6.1
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:C
CVSSv3 Score:
5
Attack vector:
PHYSICAL
Attack complexity:
LOW
Privileges required:
HIGH
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
LOW
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:P/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:H
CWE:
125 (Out-of-bounds Read)
References:
https://seclists.org/oss-sec/2020/q4/104 (MISC)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.9.7 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3c4e0dff2095c579b142d5a0693257f1c58b4804 (MISC)
[oss-security] 20201124 Re: Linux kernel slab-out-of-bounds Read in fbcon (MLIST)
[debian-lts-announce] 20201210 [SECURITY] [DLA 2483-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20201218 [SECURITY] [DLA 2494-1] linux security update (MLIST)
https://security.netapp.com/advisory/ntap-20210108-0003/ (CONFIRM)
CVE: CVE-2021-20239
CVE: CVE-2021-20239
Id:
CVE-2021-20239
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20239
Comment
: A flaw was found in the Linux kernel in versions before 5.4.92 in the BPF protocol. This flaw allows an attacker with a local account to leak information about kernel internal addresses. The highest threat from this vulnerability is to confidentiality.
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:
3.3
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CWE:
119 (Improper Restriction of Operations within the Bounds of a Memory Buffer)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1923636 (MISC)
CVE: CVE-2021-27363
CVE: CVE-2021-27363
Id:
CVE-2021-27363
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27363
Comment
: An issue was discovered in the Linux kernel through 5.11.3. A kernel pointer leak can be used to determine the address of the iscsi_transport structure. When an iSCSI transport is registered with the iSCSI subsystem, the transport's handle is available to unprivileged users via the sysfs file system, at /sys/class/iscsi_transport/$TRANSPORT_NAME/handle. When read, the show_transport_handle function (in drivers/scsi/scsi_transport_iscsi.c) is called, which leaks the handle. This handle is actually the pointer to an iscsi_transport struct in the kernel module's global variables.
CVSSv2 Score:
3.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:P
CVSSv3 Score:
4.4
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
LOW
Integrity impact:
NONE
Availability impact:
LOW
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa (MISC)
http://www.openwall.com/lists/oss-security/2021/03/06/1 (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1182716 (MISC)
[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update (MLIST)
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html (MISC)
[debian-lts-announce] 20210330 [SECURITY] [DLA 2610-1] linux-4.19 security update (MLIST)
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html (MISC)
https://security.netapp.com/advisory/ntap-20210409-0001/ (CONFIRM)
CVE: CVE-2021-27364
CVE: CVE-2021-27364
Id:
CVE-2021-27364
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27364
Comment
: An issue was discovered in the Linux kernel through 5.11.3. drivers/scsi/scsi_transport_iscsi.c is adversely affected by the ability of an unprivileged user to craft Netlink messages.
CVSSv2 Score:
3.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
NONE
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:N/A:P
CVSSv3 Score:
7.1
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
CWE:
125 (Out-of-bounds Read)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=688e8128b7a92df982709a4137ea4588d16f24aa (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1182717 (MISC)
https://www.openwall.com/lists/oss-security/2021/03/06/1 (MISC)
[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update (MLIST)
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html (MISC)
[debian-lts-announce] 20210330 [SECURITY] [DLA 2610-1] linux-4.19 security update (MLIST)
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html (MISC)
https://security.netapp.com/advisory/ntap-20210409-0001/ (CONFIRM)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
CVE: CVE-2021-27365
CVE: CVE-2021-27365
Id:
CVE-2021-27365
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-27365
Comment
: An issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
CVSSv2 Score:
4.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
PARTIAL
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:P
CVSSv3 Score:
7.8
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee (MISC)
https://www.openwall.com/lists/oss-security/2021/03/06/1 (MISC)
https://bugzilla.suse.com/show_bug.cgi?id=1182715 (MISC)
[debian-lts-announce] 20210309 [SECURITY] [DLA 2586-1] linux security update (MLIST)
https://blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html (MISC)
[debian-lts-announce] 20210330 [SECURITY] [DLA 2610-1] linux-4.19 security update (MLIST)
http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html (MISC)
https://security.netapp.com/advisory/ntap-20210409-0001/ (CONFIRM)
https://www.oracle.com/security-alerts/cpuoct2021.html (MISC)
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