diff options
| author | Eric Snowberg <eric.snowberg@oracle.com> | 2023-05-23 02:09:43 +0300 |
|---|---|---|
| committer | Jarkko Sakkinen <jarkko@kernel.org> | 2023-08-17 23:12:35 +0300 |
| commit | 90f6f691a706754e33d2d0c6fa2e1dacedb477f6 (patch) | |
| tree | 21f58a26b3370ff62708d5f18bb3b501180456fc /security/integrity/evm | |
| parent | 4cfb908054456ad8b6b8cd5108bbdf80faade8cd (diff) | |
| download | linux-90f6f691a706754e33d2d0c6fa2e1dacedb477f6.tar.xz | |
integrity: Enforce digitalSignature usage in the ima and evm keyrings
After being vouched for by a system keyring, only allow keys into the .ima
and .evm keyrings that have the digitalSignature usage field set.
Link: https://lore.kernel.org/all/41dffdaeb7eb7840f7e38bc691fbda836635c9f9.camel@linux.ibm.com
Suggested-by: Mimi Zohar <zohar@linux.ibm.com>
Signed-off-by: Eric Snowberg <eric.snowberg@oracle.com>
Acked-and-tested-by: Mimi Zohar <zohar@linux.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
Diffstat (limited to 'security/integrity/evm')
| -rw-r--r-- | security/integrity/evm/Kconfig | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/security/integrity/evm/Kconfig b/security/integrity/evm/Kconfig index a6e19d23e700..fba9ee359bc9 100644 --- a/security/integrity/evm/Kconfig +++ b/security/integrity/evm/Kconfig @@ -64,7 +64,8 @@ config EVM_LOAD_X509 This option enables X509 certificate loading from the kernel onto the '.evm' trusted keyring. A public key can be used to - verify EVM integrity starting from the 'init' process. + verify EVM integrity starting from the 'init' process. The + key must have digitalSignature usage set. config EVM_X509_PATH string "EVM X509 certificate path" |