diff options
Diffstat (limited to 'kernel/security/integrity/ima/ima_appraise.c')
| -rw-r--r-- | kernel/security/integrity/ima/ima_appraise.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/kernel/security/integrity/ima/ima_appraise.c b/kernel/security/integrity/ima/ima_appraise.c index 4df493e4b..1873b5536 100644 --- a/kernel/security/integrity/ima/ima_appraise.c +++ b/kernel/security/integrity/ima/ima_appraise.c @@ -378,10 +378,14 @@ int ima_inode_setxattr(struct dentry *dentry, const char *xattr_name, result = ima_protect_xattr(dentry, xattr_name, xattr_value, xattr_value_len); if (result == 1) { + bool digsig; + if (!xattr_value_len || (xvalue->type >= IMA_XATTR_LAST)) return -EINVAL; - ima_reset_appraise_flags(d_backing_inode(dentry), - (xvalue->type == EVM_IMA_XATTR_DIGSIG) ? 1 : 0); + digsig = (xvalue->type == EVM_IMA_XATTR_DIGSIG); + if (!digsig && (ima_appraise & IMA_APPRAISE_ENFORCE)) + return -EPERM; + ima_reset_appraise_flags(d_backing_inode(dentry), digsig); result = 0; } return result; |