CVE-2021-3623
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.3%
exploitation probability
0.3%top 77% of all CVEs
observed exploitation
nono source reports it
A flaw was found in libtpms. The flaw can be triggered by specially-crafted TPM 2 command packets containing illegal values and may lead to an out-of-bounds access when the volatile state of the TPM 2 is marshalled/written or unmarshalled/read. The highest threat from this vulnerability is to system availability.
Affected products
n/a · libtpmsReferences
https://bugzilla.redhat.com/show_bug.cgi?id=1976806https://github.com/stefanberger/libtpms/commit/2e6173chttps://github.com/stefanberger/libtpms/commit/2f30d62https://github.com/stefanberger/libtpms/commit/7981d9ahttps://github.com/stefanberger/libtpms/pull/223https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z7KZSYMTE7Z4BBEZUWO2DIMQDWMGEP46/