vulnerability

Debian: CVE-2021-46922: linux -- security update

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:N/I:N/A:C)
Published
02/27/2024
Added
07/30/2024
Modified
01/30/2025

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()

Solution

debian-upgrade-linux
Title
NEW

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