CVE-2020-27830 - Vulnerability Details - OpenCVE

A vulnerability was found in Linux Kernel where in the spk_ttyio_receive_buf2() function, it would dereference spk_ttyio_synth without checking whether it is NULL or not, and may lead to a NULL-ptr deref crash.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact None

Integrity Impact None

Availability Impact High

User Interaction None

No CVSS v3.0

Access Vector Local

Access Complexity Low

Authentication None

Confidentiality Impact None

Integrity Impact None

Availability Impact Partial

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Vendors	Products
Debian	Debian Linux
Linux	Linux Kernel

Configuration 1 [-]

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 [-]

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

No data.

References

Link	Providers
http://www.openwall.com/lists/oss-security/2020/12/08/1
http://www.openwall.com/lists/oss-security/2020/12/08/4
https://bugzilla.redhat.com/show_bug.cgi?id=1919900
https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html
https://nvd.nist.gov/vuln/detail/CVE-2020-27830
https://security.netapp.com/advisory/ntap-20210625-0004/
https://www.cve.org/CVERecord?id=CVE-2020-27830
https://www.debian.org/security/2021/dsa-4843

History

No history.

MITRE

Status: PUBLISHED

Assigner: redhat

Published: 2021-05-13T14:15:34

Updated: 2024-08-04T16:25:43.662Z

Reserved: 2020-10-27T00:00:00

Link: CVE-2020-27830

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-05-13T15:15:07.577

Modified: 2024-11-21T05:21:53.690

Link: CVE-2020-27830

Redhat

Severity : Moderate

Publid Date: 2020-11-30T00:00:00Z

Links: CVE-2020-27830 - Bugzilla

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