tpm: Cap the number of PCR banks
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 0.1%
exploitation probability
0.1%top 98% of all CVEs
observed exploitation
nono source reports it
In the Linux kernel, the following vulnerability has been resolved:
tpm: Cap the number of PCR banks
tpm2_get_pcr_allocation() does not cap any upper limit for the number of
banks. Cap the limit to eight banks so that out of bounds values coming
from external I/O cause on only limited harm.
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/275c686f1e3cc056ec66c764489ec1fe1e51b950https://git.kernel.org/stable/c/858344bc9210bea9ab2bdc7e9e331ba84c164e50https://git.kernel.org/stable/c/8ceee7288152bc121a6bf92997261838c78bfe06https://git.kernel.org/stable/c/b69492161c056d36789aee42a87a33c18c8ed5e1https://git.kernel.org/stable/c/ceb70d31da5671d298bad94ae6c20e4bbb800f96https://git.kernel.org/stable/c/d88481653d74d622d1d0d2c9bad845fc2cc6fd23https://git.kernel.org/stable/c/faf07e611dfa464b201223a7253e9dc5ee0f3c9e