CVE-2020-10732

NameCVE-2020-10732
DescriptionA flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2242-1, DSA-4698-1, DSA-4699-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1vulnerable
stretch (security)4.9.320-2fixed
stretch (lts), stretch4.9.320-3fixed
buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.85-1fixed
trixie6.6.15-2fixed
sid6.7.9-2fixed
linux-4.9 (PTS)jessie, jessie (lts)4.9.303-1~deb8u3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy(unfixed)end-of-life
linuxsourcestretch4.9.210-1+deb9u1DSA-4698-1
linuxsourcebuster4.19.118-2+deb10u1DSA-4699-1
linuxsource(unstable)5.6.14-2
linux-4.9sourcejessie4.9.210-1+deb9u1~deb8u1DLA-2242-1

Notes

[jessie] - linux <ignored> (Does not affect supported architectures)
https://www.openwall.com/lists/oss-security/2020/05/06/1
https://git.kernel.org/linus/1d605416fb7175e1adf094251466caa52093b413

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