CVE-2025-0647

NameCVE-2025-0647
DescriptionIn certain Arm CPUs, a CPP RCTX instruction executed on one Processing Element (PE) may inhibit TLB invalidation when a TLBI is issued to the PE, either by the same PE or another PE in the shareability domain. In this case, the PE may retain stale TLB entries which should have been invalidated by the TLBI.
SourceCVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
arm-trusted-firmware (PTS)bookworm2.8.0+dfsg-1vulnerable
forky, trixie2.12.1+dfsg-1vulnerable
sid2.12.16+dfsg-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
arm-trusted-firmwaresource(unstable)2.12.16+dfsg-1

Notes

https://support.arm.com/documentation/111546/latest/

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