CVE-2019-19767

NameCVE-2019-19767
DescriptionThe Linux kernel before 5.4.2 mishandles ext4_expand_extra_isize, as demonstrated by use-after-free errors in __ext4_expand_extra_isize and ext4_xattr_set_entry, related to fs/ext4/inode.c and fs/ext4/super.c, aka CID-4ea99936a163.
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-2068-1, DLA-2114-1
NVD severitymedium

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.210-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.118-2fixed
buster (security)4.19.118-2+deb10u1fixed
bullseye, sid5.7.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.3.15-1
linuxsourcebuster4.19.98-1
linuxsourcejessie3.16.81-1DLA-2068-1
linuxsourcestretch4.9.210-1
linux-4.9sourcejessie4.9.210-1~deb8u1DLA-2114-1

Notes

https://git.kernel.org/linus/4ea99936a1630f51fc3a2d61a58ec4a1c4b7d55a

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