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CVE-2019-20806

Good to know:

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Date: May 27, 2020

An issue was discovered in the Linux kernel before 5.2. There is a NULL pointer dereference in tw5864_handle_frame() in drivers/media/pci/tw5864/tw5864-video.c, which may cause denial of service, aka CID-2e7682ebfc75.

Language: C

Severity Score

Related Resources (11)

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.2
https://lists.debian.org/debian-lts-announce/2020/06/msg00012.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-20806
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2e7682ebfc750177a4944eeb56e97a3f05734528
https://security.netapp.com/advisory/ntap-20200619-0001/
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html
https://github.com/torvalds/linux/commit/2e7682ebfc750177a4944eeb56e97a3f05734528
https://www.debian.org/security/2020/dsa-4698
https://security-tracker.debian.org/tracker/CVE-2019-20806
https://nvd.nist.gov/vuln/detail/CVE-2019-20806
https://www.mend.io/vulnerability-database/CVE-2019-20806

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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