CVE-2020-27830

Summary

CVECVE-2020-27830
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-05-13 15:15:00 UTC
Updated2021-09-07 21:59:00 UTC
DescriptionA 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.

Risk And Classification

Problem Types: CWE-476

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 10.0 All All All
Operating System Debian Debian Linux 9.0 All All All
Operating System Linux Linux Kernel All All All All

References

ReferenceSourceLinkTags
[SECURITY] [DLA 2557-1] linux-4.19 security update MLIST lists.debian.org
CVE-2020-27830 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security CONFIRM security.netapp.com
oss-security - Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2 MLIST www.openwall.com
oss-security - Re: Linux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2 MLIST www.openwall.com
Debian -- Security Information -- DSA-4843-1 linux DEBIAN www.debian.org
1919900 – (CVE-2020-27830) CVE-2020-27830 kernel: null pointer dereference in in spk_ttyio_receive_buf2 MISC bugzilla.redhat.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 198328 Ubuntu Security Notification for Linux kernel (OEM) vulnerabilities (USN-4912-1)
  • 750376 OpenSUSE Security Update for RT kernel (openSUSE-SU-2021:0242-1)
  • 750434 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:0060-1)
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