CVE-2020-8648

NameCVE-2020-8648
DescriptionThere is a use-after-free vulnerability in the Linux kernel through 5.5.2 in the n_tty_receive_buf_common function in drivers/tty/n_tty.c.
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-2241-1, DLA-2242-1, DSA-4698-1
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.132-1fixed
buster (security)4.19.118-2+deb10u1fixed
bullseye5.8.7-1fixed
sid5.8.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie3.16.84-1DLA-2241-1
linuxsourcestretch4.9.210-1+deb9u1DSA-4698-1
linuxsourcebuster4.19.118-1
linuxsource(unstable)5.5.13-1
linux-4.9sourcejessie4.9.210-1+deb9u1~deb8u1DLA-2242-1

Notes

https://git.kernel.org/linus/07e6124a1a46b4b5a9b3cacc0c306b50da87abf5

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