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| author | cperciva <cperciva@FreeBSD.org> | 2006-12-06 09:13:51 +0000 |
|---|---|---|
| committer | cperciva <cperciva@FreeBSD.org> | 2006-12-06 09:13:51 +0000 |
| commit | d8a0af2579fffb39a23b2a1113ed580e8c80a2a3 (patch) | |
| tree | e6d0f5e4704f8a07327592eae9fc4554224bc923 /sys/dev/firewire/fwdev.c | |
| parent | 948c671f4acdf2360200fff8a5c750a87ba86e1a (diff) | |
| download | FreeBSD-src-d8a0af2579fffb39a23b2a1113ed580e8c80a2a3.zip FreeBSD-src-d8a0af2579fffb39a23b2a1113ed580e8c80a2a3.tar.gz | |
Correct a signedness bug which allowed members of the operator
group to read kernel memory.
Security: FreeBSD-SA-06:25.kmem
Diffstat (limited to 'sys/dev/firewire/fwdev.c')
| -rw-r--r-- | sys/dev/firewire/fwdev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/dev/firewire/fwdev.c b/sys/dev/firewire/fwdev.c index e42c30a..5b46190 100644 --- a/sys/dev/firewire/fwdev.c +++ b/sys/dev/firewire/fwdev.c @@ -712,7 +712,7 @@ out: else len = fwdev->rommax - CSRROMOFF + 4; } - if (crom_buf->len < len) + if (crom_buf->len < len && crom_buf->len >= 0) len = crom_buf->len; else crom_buf->len = len; |
