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authorLinus Torvalds <torvalds@linux-foundation.org>2022-10-03 17:42:12 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-10-03 17:42:12 -0700
commiteafb121ec0dbcd9a5a1ab0e78dfc06a67af7d536 (patch)
tree701b905c64e6ebacd7213479edb2dad3caa150fc /security
parent74a0f84590eefaf0b55941e8bd8c476b35cdd40b (diff)
parentbab715bdaa9ebf28d99a6d1efb2704a30125e96d (diff)
Merge tag 'integrity-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity
Pull integrity updates from Mimi Zohar: "Just two bug fixes" * tag 'integrity-v6.1' of git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity: efi: Correct Macmini DMI match in uefi cert quirk ima: fix blocking of security.ima xattrs of unsupported algorithms
Diffstat (limited to 'security')
-rw-r--r--security/integrity/ima/ima_appraise.c12
-rw-r--r--security/integrity/platform_certs/load_uefi.c2
2 files changed, 9 insertions, 5 deletions
diff --git a/security/integrity/ima/ima_appraise.c b/security/integrity/ima/ima_appraise.c
index bde74fcecee3..3e0fbbd99534 100644
--- a/security/integrity/ima/ima_appraise.c
+++ b/security/integrity/ima/ima_appraise.c
@@ -750,22 +750,26 @@ int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name,
const struct evm_ima_xattr_data *xvalue = xattr_value;
int digsig = 0;
int result;
+ int err;
result = ima_protect_xattr(dentry, xattr_name, xattr_value,
xattr_value_len);
if (result == 1) {
if (!xattr_value_len || (xvalue->type >= IMA_XATTR_LAST))
return -EINVAL;
+
+ err = validate_hash_algo(dentry, xvalue, xattr_value_len);
+ if (err)
+ return err;
+
digsig = (xvalue->type == EVM_IMA_XATTR_DIGSIG);
} else if (!strcmp(xattr_name, XATTR_NAME_EVM) && xattr_value_len > 0) {
digsig = (xvalue->type == EVM_XATTR_PORTABLE_DIGSIG);
}
if (result == 1 || evm_revalidate_status(xattr_name)) {
- result = validate_hash_algo(dentry, xvalue, xattr_value_len);
- if (result)
- return result;
-
ima_reset_appraise_flags(d_backing_inode(dentry), digsig);
+ if (result == 1)
+ result = 0;
}
return result;
}
diff --git a/security/integrity/platform_certs/load_uefi.c b/security/integrity/platform_certs/load_uefi.c
index 093894a640dc..b78753d27d8e 100644
--- a/security/integrity/platform_certs/load_uefi.c
+++ b/security/integrity/platform_certs/load_uefi.c
@@ -31,7 +31,7 @@ static const struct dmi_system_id uefi_skip_cert[] = {
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir8,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir8,2") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacBookAir9,1") },
- { UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacMini8,1") },
+ { UEFI_QUIRK_SKIP_CERT("Apple Inc.", "Macmini8,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "MacPro7,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "iMac20,1") },
{ UEFI_QUIRK_SKIP_CERT("Apple Inc.", "iMac20,2") },