CVE-2020-27830

NameCVE-2020-27830
DescriptionLinux kernel NULL-ptr deref bug in spk_ttyio_receive_buf2
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-2557-1, DSA-4843-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.258-1fixed
buster4.19.181-1fixed
buster (security)4.19.171-2fixed
bullseye5.10.26-1fixed
sid5.10.28-1fixed
linux-4.19 (PTS)stretch (security)4.19.181-1~deb9u1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch(not affected)
linuxsourcebuster4.19.171-2DSA-4843-1
linuxsource(unstable)5.9.15-1
linux-4.19sourcestretch4.19.171-2~deb9u1DLA-2557-1

Notes

[stretch] - linux <not-affected> (Vulnerability introduced later)
https://www.openwall.com/lists/oss-security/2020/12/07/1
https://git.kernel.org/linus/f0992098cadb4c9c6a00703b66cafe604e178fea

Search for package or bug name: Reporting problems