CVE-2020-27830

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.
Configurations

Configuration 1 (hide)

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

Configuration 2 (hide)

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

History

07 Sep 2021, 21:59

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210625-0004/ - Third Party Advisory

20 May 2021, 20:12

Type Values Removed Values Added
References (DEBIAN) https://www.debian.org/security/2021/dsa-4843 - (DEBIAN) https://www.debian.org/security/2021/dsa-4843 - Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2020/12/08/1 - (MLIST) http://www.openwall.com/lists/oss-security/2020/12/08/1 - Mailing List, Third Party Advisory
References (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1919900 - (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=1919900 - Issue Tracking, Patch, Third Party Advisory
References (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html - (MLIST) https://lists.debian.org/debian-lts-announce/2021/02/msg00018.html - Mailing List, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2020/12/08/4 - (MLIST) http://www.openwall.com/lists/oss-security/2020/12/08/4 - Mailing List, Third Party Advisory
CWE CWE-476
CVSS v2 : unknown
v3 : unknown
v2 : 2.1
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

Information

Published : 2021-05-13 15:15

Updated : 2024-02-04 21:47


NVD link : CVE-2020-27830

Mitre link : CVE-2020-27830

CVE.ORG link : CVE-2020-27830


JSON object : View

Products Affected

debian

  • debian_linux

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference