CVE-2020-27830

kernel: null pointer dereference in in spk_ttyio_receive_buf2

Published May 13, 2021 CVSS 3.1 · 5.5 Medium EPSS < 1% KEV · Not listed
Description
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-2557-1 linux-4.19 security update
Debian DSA Debian DSA DSA-4843-1 linux security update
EUVD EUVD EUVD-2020-20329 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.
Ubuntu USN Ubuntu USN USN-4749-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4750-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4751-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-4912-1 Linux kernel (OEM) vulnerabilities
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 4, 2024, 4:25 PM
Reserved
Oct 27, 2020, 12:00 AM
Status
Modified
Published
May 13, 2021, 3:15 PM
Modified
Jun 17, 2026, 3:09 AM
Severity
Moderate
Public date
Nov 30, 2020, 12:00 AM