diff options
Diffstat (limited to 'security')
| -rw-r--r-- | security/commoncap.c | 8 | ||||
| -rw-r--r-- | security/integrity/evm/evm_crypto.c | 3 |
2 files changed, 8 insertions, 3 deletions
diff --git a/security/commoncap.c b/security/commoncap.c index 1ce701fcb3f3..f4c33abd9959 100644 --- a/security/commoncap.c +++ b/security/commoncap.c @@ -919,6 +919,8 @@ int cap_bprm_set_creds(struct linux_binprm *bprm) int cap_inode_setxattr(struct dentry *dentry, const char *name, const void *value, size_t size, int flags) { + struct user_namespace *user_ns = dentry->d_sb->s_user_ns; + /* Ignore non-security xattrs */ if (strncmp(name, XATTR_SECURITY_PREFIX, sizeof(XATTR_SECURITY_PREFIX) - 1) != 0) @@ -931,7 +933,7 @@ int cap_inode_setxattr(struct dentry *dentry, const char *name, if (strcmp(name, XATTR_NAME_CAPS) == 0) return 0; - if (!capable(CAP_SYS_ADMIN)) + if (!ns_capable(user_ns, CAP_SYS_ADMIN)) return -EPERM; return 0; } @@ -949,6 +951,8 @@ int cap_inode_setxattr(struct dentry *dentry, const char *name, */ int cap_inode_removexattr(struct dentry *dentry, const char *name) { + struct user_namespace *user_ns = dentry->d_sb->s_user_ns; + /* Ignore non-security xattrs */ if (strncmp(name, XATTR_SECURITY_PREFIX, sizeof(XATTR_SECURITY_PREFIX) - 1) != 0) @@ -964,7 +968,7 @@ int cap_inode_removexattr(struct dentry *dentry, const char *name) return 0; } - if (!capable(CAP_SYS_ADMIN)) + if (!ns_capable(user_ns, CAP_SYS_ADMIN)) return -EPERM; return 0; } diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c index a46fba322340..facf9cdd577d 100644 --- a/security/integrity/evm/evm_crypto.c +++ b/security/integrity/evm/evm_crypto.c @@ -200,7 +200,8 @@ static int evm_calc_hmac_or_hash(struct dentry *dentry, int size; bool ima_present = false; - if (!(inode->i_opflags & IOP_XATTR)) + if (!(inode->i_opflags & IOP_XATTR) || + inode->i_sb->s_user_ns != &init_user_ns) return -EOPNOTSUPP; desc = init_desc(type); |