CVE-2019-13648

NameCVE-2019-13648
DescriptionIn the Linux kernel through 5.2.1 on the powerpc platform, when hardware transactional memory is disabled, a local user can cause a denial of service (TM Bad Thing exception and system crash) via a sigreturn() system call that sends a crafted signal frame. This affects arch/powerpc/kernel/signal_32.c and arch/powerpc/kernel/signal_64.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1885-1, DSA-4495-1, DSA-4497-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1fixed
bullseye (security)5.10.226-1fixed
bookworm6.1.106-3fixed
bookworm (security)6.1.112-1fixed
trixie6.10.11-1fixed
sid6.11.2-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.168-1+deb9u5DSA-4497-1
linuxsourcebuster4.19.37-5+deb10u2DSA-4495-1
linuxsource(unstable)5.2.6-1
linux-4.9sourcejessie4.9.168-1+deb9u5~deb8u1DLA-1885-1

Notes

https://patchwork.ozlabs.org/patch/1133904/

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