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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:139489
[Eng]
Version
3
Class
patch
ALTXid
336157
Language
Russian
Severity
High
Title
Обновление ELSA-2020-5841 : устранение уязвимостей в Unbreakable Enterprise kernel
Description
kernel-uek
[3.8.13-118.49.1]
- sunrpc: use SVC_NET() in svcauth_gss_* functions (Vasily Averin) [Orabug: 31351996] {CVE-2018-16884}
- sunrpc: use-after-free in svc_process_common() (Vasily Averin) [Orabug: 31351996] {CVE-2018-16884}
- af_packet: set defaule value for tmo (Mao Wenan) [Orabug: 31439108] {CVE-2019-20812}
- vgacon: Fix for missing check in scrollback handling (Yunhai Zhang) [Orabug: 31705122] {CVE-2020-14331} {CVE-2020-14331}
- rename kABI whitelists to lockedlists (Dan Duval) [Orabug: 31783152]
Family
unix
Platform
Oracle Linux 6
Oracle Linux 7
Product
kernel-uek
Reference
VENDOR: ELSA-2020-5841
VENDOR: ELSA-2020-5841
Id:
ELSA-2020-5841
Reference:
http://linux.oracle.com/errata/ELSA-2020-5841.html
CVE: CVE-2019-20812
CVE: CVE-2019-20812
Id:
CVE-2019-20812
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-20812
Comment
: An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.
CVSSv2 Score:
4.9
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:N/I:N/A:C
CVSSv3 Score:
5.5
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
NONE
Integrity impact:
NONE
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE:
400 (Uncontrolled Resource Consumption ('Resource Exhaustion'))
References:
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7 (MISC)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe (MISC)
openSUSE-SU-2020:0801 (SUSE)
openSUSE-SU-2020:0935 (SUSE)
https://www.oracle.com/security-alerts/cpuApr2021.html (MISC)
CVE: CVE-2018-16884
CVE: CVE-2018-16884
Id:
CVE-2018-16884
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16884
Comment
: A flaw was found in the Linux kernel's NFS41+ subsystem. NFS41+ shares mounted in different network namespaces at the same time can make bc_svc_process() use wrong back-channel IDs and cause a use-after-free vulnerability. Thus a malicious container user can cause a host kernel memory corruption and a system panic. Due to the nature of the flaw, privilege escalation cannot be fully ruled out.
CVSSv2 Score:
6.7
Access vector:
ADJACENT_NETWORK
Access complexity:
LOW
Authentication:
SINGLE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:A/AC:L/Au:S/C:P/I:P/A:C
CVSSv3 Score:
8
Attack vector:
ADJACENT_NETWORK
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:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
416 (Use After Free)
References:
https://patchwork.kernel.org/patch/10733769/ (CONFIRM)
https://patchwork.kernel.org/cover/10733767/ (CONFIRM)
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-16884 (CONFIRM)
106253 (BID)
[debian-lts-announce] 20190327 [SECURITY] [DLA 1731-1] linux security update (MLIST)
[debian-lts-announce] 20190401 [SECURITY] [DLA 1731-2] linux regression update (MLIST)
USN-3932-2 (UBUNTU)
USN-3932-1 (UBUNTU)
https://support.f5.com/csp/article/K21430012 (CONFIRM)
[debian-lts-announce] 20190503 [SECURITY] [DLA 1771-1] linux-4.9 security update (MLIST)
USN-3981-1 (UBUNTU)
USN-3980-1 (UBUNTU)
USN-3980-2 (UBUNTU)
USN-3981-2 (UBUNTU)
RHSA-2019:1891 (REDHAT)
RHSA-2019:1873 (REDHAT)
RHSA-2019:2696 (REDHAT)
RHSA-2019:2730 (REDHAT)
RHSA-2019:3517 (REDHAT)
RHSA-2019:3309 (REDHAT)
RHSA-2020:0204 (REDHAT)
https://www.oracle.com/security-alerts/cpuApr2021.html (MISC)
CVE: CVE-2020-14331
CVE: CVE-2020-14331
Id:
CVE-2020-14331
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14331
Comment
: A flaw was found in the Linux kernel’s implementation of the invert video code on VGA consoles when a local attacker attempts to resize the console, calling an ioctl VT_RESIZE, which causes an out-of-bounds write to occur. This flaw allows a local user with access to the VGA console to crash the system, potentially escalating their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CVSSv3 Score:
6.6
Attack vector:
PHYSICAL
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:P/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE:
787 (Out-of-bounds Write)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=1858679 (MISC)
https://lists.openwall.net/linux-kernel/2020/07/29/234 (MISC)
https://www.openwall.com/lists/oss-security/2020/07/28/2 (MISC)
[debian-lts-announce] 20200928 [SECURITY] [DLA 2385-1] linux-4.19 security update (MLIST)
[debian-lts-announce] 20201031 [SECURITY] [DLA 2420-2] linux regression update (MLIST)
[debian-lts-announce] 20201030 [SECURITY] [DLA 2420-1] linux security update (MLIST)
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