TEMP-0000000-1E2093

NameTEMP-0000000-1E2093
DescriptionLinux ASLR mmap weakness: Reducing entropy by half
SourceAutomatically generated temporary name. Not for external reference.

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.146-1fixed
buster (security)4.19.118-2+deb10u1fixed
bullseye, sid5.8.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.71-1
linuxsourcejessie3.16.7-ckt17-1
linuxsource(unstable)4.0.2-1
linux-2.6sourcesqueeze(not affected)
linux-2.6source(unstable)(unfixed)

Notes

[squeeze] - linux-2.6 <not-affected> (powerpc not supported in Squeeze LTS)
http://hmarco.org/bugs/linux-ASLR-reducing-mmap-by-half.html
arm64 affected from v3.7 to v3.18 (fixed in 3.16.7-ckt12)
powerpc affected from v2.6.30 to 3.2 (pending for 3.2.70)
Fix for arm64: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d6c763afab
Fix for ppc: http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?fa8cbaaf5a68

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