diff options
| -rw-r--r-- | src/interface/smbios/smbios_settings.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/interface/smbios/smbios_settings.c b/src/interface/smbios/smbios_settings.c index ec31b43f2..ca3f2fe2f 100644 --- a/src/interface/smbios/smbios_settings.c +++ b/src/interface/smbios/smbios_settings.c @@ -130,6 +130,13 @@ static int smbios_fetch ( struct settings *settings __unused, return rc; } + /* Limit length */ + if ( tag_offset > sizeof ( buf ) ) { + tag_len = 0; + } else if ( ( tag_offset + tag_len ) > sizeof ( buf ) ) { + tag_len = ( sizeof ( buf ) - tag_offset ); + } + /* Mangle UUIDs if necessary. iPXE treats UUIDs as * being in network byte order (big-endian). SMBIOS * specification version 2.6 states that UUIDs are |