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kernel: kernel pointer leak due to WARN_ON statement in video driver leads to local information disclosure

🗓️ 04 Nov 2020 01:14:17Reported by RedHatType 
redhat
 redhat🔗 access.redhat.com👁 5 Views

Kernel pointer leak from a warn on check in the video driver enables local information disclosure with system privileges; no user interaction.

Related
Packages
Refs
ReporterTitlePublishedViews
Family
Tenable Nessus		AlmaLinux 8 : kernel (ALSA-2020:4431)
9 Feb 202200:00
–nessus
Tenable Nessus		CentOS 8 : kernel (CESA-2020:4431)
1 Feb 202100:00
–nessus
Tenable Nessus		EulerOS 2.0 SP8 : kernel (EulerOS-SA-2020-1186)
11 Mar 202000:00
–nessus
Tenable Nessus		MiracleLinux 8 : kernel-4.18.0-240.el8 (AXSA:2021-1489:04)
20 Jan 202600:00
–nessus
Tenable Nessus		openSUSE Security Update : the Linux Kernel (openSUSE-2020-801)
20 Jul 202000:00
–nessus
Tenable Nessus		Oracle Linux 8 : kernel (ELSA-2020-4431)
7 Sep 202300:00
–nessus
Tenable Nessus		RHEL 8 : kernel (RHSA-2020:4431)
4 Nov 202000:00
–nessus
Tenable Nessus		RHEL 8 : kernel-rt (RHSA-2020:4609)
4 Nov 202000:00
–nessus
Tenable Nessus		SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1255-1)
15 May 202000:00
–nessus
Tenable Nessus		SUSE SLES12 Security Update : kernel (SUSE-SU-2020:1275-1) (MDSUM/RIDL) (MFBDS/RIDL/ZombieLoad) (MLPDS/RIDL) (MSBDS/Fallout)
22 May 202000:00
–nessus
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux8x86_64kernel-rt0:4.18.0-240.rt7.54.el8kernel-rt-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-core0:4.18.0-240.rt7.54.el8kernel-rt-core-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug0:4.18.0-240.rt7.54.el8kernel-rt-debug-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-core0:4.18.0-240.rt7.54.el8kernel-rt-debug-core-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-debuginfo0:4.18.0-240.rt7.54.el8kernel-rt-debug-debuginfo-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-devel0:4.18.0-240.rt7.54.el8kernel-rt-debug-devel-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-kvm0:4.18.0-240.rt7.54.el8kernel-rt-debug-kvm-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules0:4.18.0-240.rt7.54.el8kernel-rt-debug-modules-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debug-modules-extra0:4.18.0-240.rt7.54.el8kernel-rt-debug-modules-extra-0:4.18.0-240.rt7.54.el8.x86_64.rpm
Red Hat Enterprise Linux8x86_64kernel-rt-debuginfo0:4.18.0-240.rt7.54.el8kernel-rt-debuginfo-0:4.18.0-240.rt7.54.el8.x86_64.rpm
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28 Jun 2026 08:48Current
6.9Medium risk
Vulners AI Score6.9
CVSS 22.1
CVSS 3.12.3
EPSS0.00179
CWE-200
kernel pointer leakwarn on checkvideo driverlocal information disclosuresystem privilegesno user interactiondata confidentiality
5