CVE-2020-29660

NameCVE-2020-29660
DescriptionA locking inconsistency issue was discovered in the tty subsystem of the Linux kernel through 5.9.13. drivers/tty/tty_io.c and drivers/tty/tty_jobctrl.c may allow a read-after-free attack against TIOCGSID, aka CID-c8bcd9c5be24.
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)
NVD severitylow

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1vulnerable
stretch (security)4.9.246-2vulnerable
buster4.19.160-2vulnerable
buster (security)4.19.152-1vulnerable
bullseye5.10.4-1fixed
sid5.10.5-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.9.15-1

Notes

https://git.kernel.org/linus/c8bcd9c5be24fb9e6132e97da5a35e55a83e36b9
https://bugs.chromium.org/p/project-zero/issues/detail?id=2125

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