CVE-2018-3665

NameCVE-2018-3665
DescriptionSystem software utilizing Lazy FP state restore technique on systems using Intel Core-based microprocessors may potentially allow a local process to infer data from another process through a speculative execution side channel.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1422-1, DSA-4232-1, ELA-17-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1fixed
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)6.1.69-1fixed
trixie, sid6.6.15-2fixed
xen (PTS)jessie, jessie (lts)4.4.4lts5-0+deb8u1vulnerable
stretch (security), stretch (lts), stretch4.8.5.final+shim4.10.4-1+deb9u12fixed
buster, buster (security)4.11.4+107-gef32c7afa2-1fixed
bullseye4.14.6-1fixed
bullseye (security)4.14.5+94-ge49571868d-1fixed
bookworm4.17.3+10-g091466ba55-1~deb12u1fixed
trixie, sid4.17.3+10-g091466ba55-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy(unfixed)end-of-life
linuxsourcejessie3.16.57-1DLA-1422-1
linuxsource(unstable)4.6.1-1
xensourcewheezy(unfixed)end-of-life
xensourcestretch4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8DSA-4232-1
xensource(unstable)4.8.3+xsa267+shim4.10.1+xsa267-1+deb9u8

Notes

[jessie] - xen <ignored> (Depends on fix for CVE-2017-5715, CVE-2017-5753, CVE-2017-5754)
https://xenbits.xen.org/xsa/advisory-267.html
https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00145.html
Default eagerfpu=on on all CPUs: https://git.kernel.org/linus/58122bf1d856a4ea9581d62a07c557d997d46a19
Hard-disable lazy FPU mode: https://git.kernel.org/linus/ca6938a1cd8a1c5e861a99b67f84ac166fc2b9e7

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