7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P
kernel-rt is vulnerable to privilege escalation. The vulnerability exists due to certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value which allows an unprivileged user to send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html
access.redhat.com/errata/RHSA-2021:1069
access.redhat.com/security/updates/classification/#important
blog.grimm-co.com/2021/03/new-old-bugs-in-linux-kernel.html
bugzilla.redhat.com/show_bug.cgi?id=1930078
bugzilla.suse.com/show_bug.cgi?id=1182715
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ec98ea7070e94cc25a422ec97d1421e28d97b7ee
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5
lists.debian.org/debian-lts-announce/2021/03/msg00010.html
lists.debian.org/debian-lts-announce/2021/03/msg00035.html
security.netapp.com/advisory/ntap-20210409-0001/
www.openwall.com/lists/oss-security/2021/03/06/1
www.oracle.com/security-alerts/cpuoct2021.html
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
4.6 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:L/Au:N/C:P/I:P/A:P