CVE-2019-8980

NameCVE-2019-8980
DescriptionA memory leak in the kernel_read_file function in fs/exec.c in the Linux kernel through 4.20.11 allows attackers to cause a denial of service (memory consumption) by triggering vfs_read failures.
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-1771-1
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1fixed
jessie (security)3.16.76-1fixed
stretch4.9.189-3fixed
stretch (security)4.9.189-3+deb9u2fixed
buster4.19.67-2+deb10u1fixed
buster (security)4.19.67-2+deb10u2fixed
bullseye5.2.17-1fixed
sid5.3.9-2fixed
linux-4.9 (PTS)jessie (security)4.9.189-3+deb9u2~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.19.28-1
linuxsourcejessie(not affected)
linuxsourcestretch4.9.168-1
linux-4.9sourcejessie4.9.168-1~deb8u1DLA-1771-1

Notes

[jessie] - linux <not-affected> (Vulnerable code not present)
https://lore.kernel.org/lkml/20190219021038.11340-1-yuehaibing@huawei.com/
https://lore.kernel.org/lkml/20190219022512.GW2217@ZenIV.linux.org.uk/

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