6.5 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.3 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P
kernel is vulnerable to denial of service (DoS). The vulnerability exists through a SCTP socket buffer memory leak.
access.redhat.com/documentation/en-us/red_hat_enterprise_linux/8/html/8.1_release_notes/
access.redhat.com/errata/RHSA-2019:3309
access.redhat.com/errata/RHSA-2019:3517
access.redhat.com/security/cve/CVE-2019-3874
access.redhat.com/security/updates/classification/#important
bugzilla.redhat.com/show_bug.cgi?id=1656432
bugzilla.redhat.com/show_bug.cgi?id=1686373
bugzilla.redhat.com/show_bug.cgi?id=1694143
bugzilla.redhat.com/show_bug.cgi?id=1712197
bugzilla.redhat.com/show_bug.cgi?id=1719067
bugzilla.redhat.com/show_bug.cgi?id=1721034
bugzilla.redhat.com/show_bug.cgi?id=CVE-2019-3874
discuss.kubernetes.io/t/kubernetes-security-announcement-linux-kernel-memory-cgroups-escape-via-sctp-cve-2019-3874/5594
lists.debian.org/debian-lts-announce/2020/09/msg00025.html
lore.kernel.org/netdev/[email protected]/T/#u
security.netapp.com/advisory/ntap-20190411-0003/
usn.ubuntu.com/3979-1/
usn.ubuntu.com/3980-1/
usn.ubuntu.com/3980-2/
usn.ubuntu.com/3981-1/
usn.ubuntu.com/3981-2/
usn.ubuntu.com/3982-1/
usn.ubuntu.com/3982-2/
www.oracle.com/security-alerts/cpuApr2021.html
6.5 Medium
CVSS3
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
3.3 Low
CVSS2
Access Vector
ADJACENT_NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:A/AC:L/Au:N/C:N/I:N/A:P