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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:204055
Version
1
Class
patch
ALTXid
425036
Language
Russian
Severity
Medium
Title
Обновление ROSA-SA-2021-1859 -- устранение уязвимостей в kernel
Description
Исправление уязвимостей: CVE-2020-10751
Family
unix
Platform
ROSA Cobalt 7.9
Product
kernel
Reference
VENDOR: ROSA-SA-2021-1859
VENDOR: ROSA-SA-2021-1859
Id:
ROSA-SA-2021-1859
Reference:
https://abf.rosalinux.ru/advisories/ROSA-SA-2021-1859
CVE: CVE-2020-10751
CVE: CVE-2020-10751
Id:
CVE-2020-10751
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-10751
Comment
: A flaw was found in the Linux kernels SELinux LSM hook implementation before version 5.7, where it incorrectly assumed that an skb would only contain a single netlink message. The hook would incorrectly only validate the first netlink message in the skb and allow or deny the rest of the messages within the skb with the granted permission without further processing.
CVSSv2 Score:
3.6
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
PARTIAL
Integrity impact:
PARTIAL
Availability impact:
NONE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:P/I:P/A:N
CVSSv3 Score:
6.1
Attack vector:
LOCAL
Attack complexity:
LOW
Privileges required:
LOW
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
LOW
Availability impact:
NONE
CVSSv3 Vector:
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
CWE:
349 (Acceptance of Extraneous Untrusted Data With Trusted Data)
References:
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10751 (CONFIRM)
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb73974172ffaaf57a7c42f35424d9aece1a5af6 (CONFIRM)
https://www.openwall.com/lists/oss-security/2020/04/30/5 (CONFIRM)
[oss-security] 20200527 CVE-2020-10751 - Linux kernel: SELinux netlink permission check bypass (MLIST)
[debian-lts-announce] 20200609 [SECURITY] [DLA 2241-1] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2241-2] linux security update (MLIST)
[debian-lts-announce] 20200610 [SECURITY] [DLA 2242-1] linux-4.9 security update (MLIST)
DSA-4699 (DEBIAN)
DSA-4698 (DEBIAN)
openSUSE-SU-2020:0801 (SUSE)
USN-4389-1 (UBUNTU)
USN-4390-1 (UBUNTU)
USN-4391-1 (UBUNTU)
openSUSE-SU-2020:0935 (SUSE)
USN-4413-1 (UBUNTU)
USN-4412-1 (UBUNTU)
https://www.oracle.com/security-alerts/cpuApr2021.html (MISC)
https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfMPSP=yg%40mail.gmail.com/ (MISC)
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