Description
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix TPM reservation for seal/unseal The original patch 8c657a0590de ("KEYS: trusted: Reserve TPM for seal and unseal operations") was correct on the mailing list: https://lore.kernel.org/linux-integrity/[email protected]/ But somehow got rebased so that the tpm_try_get_ops() in tpm2_seal_trusted() got lost. This causes an imbalanced put of the TPM ops and causes oopses on TIS based hardware. This fix puts back the lost tpm_try_get_ops()
Affected products
linux: linux kernel
References6
- git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999 Patch
- git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20 Patch
- git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4 Patch
- git.kernel.org/stable/c/39c8d760d44cb3fa0d67e8cd505df81cf4d80999 Patch
- git.kernel.org/stable/c/9d5171eab462a63e2fbebfccf6026e92be018f20 Patch
- git.kernel.org/stable/c/bf84ef2dd2ccdcd8f2658476d34b51455f970ce4 Patch
Metrics
- CVSS 3.1
-
5.5
MEDIUM
Score source: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H - EPSS — exploit probability
- 0% percentile: 16 · as of 5 November 2026
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