CVE-2020-10751
"Linux SELinux Denial of Service"
Description
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.
INFO
Published Date :
May 26, 2020, 3:15 p.m.
Last Modified :
Feb. 12, 2023, 11:39 p.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
4.2
Exploitability Score :
1.8
Public PoC/Exploit Available at Github
CVE-2020-10751 has a 1 public PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
Affected Products
The following products are affected by CVE-2020-10751
vulnerability.
Even if cvefeed.io is aware of the exact versions of the
products
that
are
affected, the information is not represented in the table below.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2020-10751.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Map Vulnerabilities into Different Layers of the Container Image
Python
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2020-10751 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2020-10751 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description A flaw was found in the Linux kernel’s SELinux LSM hook implementation, where it anticipated the skb would only contain a single Netlink message. The hook incorrectly validated the first Netlink message in the skb only, to allow or deny the rest of the messages within the skb with the granted permissions and without further processing. At this time, there is no known ability for an attacker to abuse this flaw. 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. Removed Reference https://access.redhat.com/errata/RHSA-2020:4060 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2020:4062 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2020:4431 [No Types Assigned] Removed Reference https://access.redhat.com/errata/RHSA-2020:4609 [No Types Assigned] Removed Reference https://access.redhat.com/security/cve/CVE-2020-10751 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1839634 [No Types Assigned] Removed Reference https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfMPSP=yg@mail.gmail.com/ [Mailing List, Vendor Advisory] Added CWE Red Hat, Inc. CWE-349 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description 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. A flaw was found in the Linux kernel’s SELinux LSM hook implementation, where it anticipated the skb would only contain a single Netlink message. The hook incorrectly validated the first Netlink message in the skb only, to allow or deny the rest of the messages within the skb with the granted permissions and without further processing. At this time, there is no known ability for an attacker to abuse this flaw. Removed CVSS V3 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N Added CVSS V3.1 Red Hat, Inc. AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N Added Reference https://access.redhat.com/errata/RHSA-2020:4431 [No Types Assigned] Added Reference https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfMPSP=yg%40mail.gmail.com/ [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2020:4062 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2020:4060 [No Types Assigned] Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1839634 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2020-10751 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2020:4609 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-349 Removed CWE Reason CWE-349 / CWE from CNA not within 1003 View -
CVE Modified by [email protected]
Jun. 14, 2021
Action Type Old Value New Value Added Reference https://www.oracle.com/security-alerts/cpuApr2021.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 15, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4412-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 07, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4413-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jul. 07, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 22, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4391-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 22, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4390-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 16, 2020
Action Type Old Value New Value Added Reference https://usn.ubuntu.com/4389-1/ [No Types Assigned] -
CVE Modified by [email protected]
Jun. 13, 2020
Action Type Old Value New Value Added Reference http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://www.debian.org/security/2020/dsa-4699 [No Types Assigned] Added Reference https://www.debian.org/security/2020/dsa-4698 [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00013.html [No Types Assigned] Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html [No Types Assigned] -
CVE Modified by [email protected]
Jun. 10, 2020
Action Type Old Value New Value Added Reference https://lists.debian.org/debian-lts-announce/2020/06/msg00011.html [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 01, 2020
Action Type Old Value New Value Added CVSS V2 NIST (AV:L/AC:L/Au:N/C:P/I:P/A:N) Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N Changed Reference Type http://www.openwall.com/lists/oss-security/2020/05/27/3 No Types Assigned http://www.openwall.com/lists/oss-security/2020/05/27/3 Mailing List, Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10751 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10751 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb73974172ffaaf57a7c42f35424d9aece1a5af6 No Types Assigned https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=fb73974172ffaaf57a7c42f35424d9aece1a5af6 Patch, Vendor Advisory Changed Reference Type https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfMPSP=yg@mail.gmail.com/ No Types Assigned https://lore.kernel.org/selinux/CACT4Y+b8HiV6KFuAPysZD=5hmyO4QisgxCKi4DHU3CfMPSP=yg@mail.gmail.com/ Mailing List, Vendor Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2020/04/30/5 No Types Assigned https://www.openwall.com/lists/oss-security/2020/04/30/5 Mailing List, Third Party Advisory Added CWE NIST CWE-345 Added CPE Configuration OR *cpe:2.3:a:kernel:selinux:*:*:*:*:*:*:*:* versions up to (excluding) 5.7 Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux_server:8.0:*:*:*:*:*:*:* -
CVE Modified by [email protected]
May. 27, 2020
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2020/05/27/3 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2020-10751 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2020-10751
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.05 }} 0.00%
score
0.17219
percentile