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Code Issues Releases Activity

Correct a signedness bug which allowed members of the operator

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group to read kernel memory.

Security:	FreeBSD-SA-06:25.kmem
This commit is contained in:
Colin Percival 2006-12-06 09:13:51 +00:00
parent fc6c30f6c6
commit 8b0a738288
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=164940
1 changed files with 1 additions and 1 deletions
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2
sys/dev/firewire/fwdev.c
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@ -712,7 +712,7 @@ fw_ioctl (struct cdev *dev, u_long cmd, caddr_t data, int flag, fw_proc *td)
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;