diff options
Diffstat (limited to 'fs/efivarfs/inode.c')
| -rw-r--r-- | fs/efivarfs/inode.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/efivarfs/inode.c b/fs/efivarfs/inode.c index 939e5e242b98..617f3ad2485e 100644 --- a/fs/efivarfs/inode.c +++ b/fs/efivarfs/inode.c @@ -91,6 +91,10 @@ static int efivarfs_create(struct user_namespace *mnt_userns, struct inode *dir, err = guid_parse(dentry->d_name.name + namelen + 1, &var->var.VendorGuid); if (err) goto out; + if (guid_equal(&var->var.VendorGuid, &LINUX_EFI_RANDOM_SEED_TABLE_GUID)) { + err = -EPERM; + goto out; + } if (efivar_variable_is_removable(var->var.VendorGuid, dentry->d_name.name, namelen)) |