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| author | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-03-11 17:17:59 +0000 |
|---|---|---|
| committer | aurel32 <aurel32@c046a42c-6fe2-441c-8c8c-71466251a162> | 2008-03-11 17:17:59 +0000 |
| commit | 902b27d0b8d5bfa840eaf389d7cbcc28b57e3fbe (patch) | |
| tree | 88c3355a4eaf8533669c87a6dab7c8a4afcd8557 /block-vmdk.c | |
| parent | b94ed5772eb31e8fad4b823351e8152839bf722a (diff) | |
| download | qemu-902b27d0b8d5bfa840eaf389d7cbcc28b57e3fbe.zip qemu-902b27d0b8d5bfa840eaf389d7cbcc28b57e3fbe.tar.gz qemu-902b27d0b8d5bfa840eaf389d7cbcc28b57e3fbe.tar.bz2 | |
Fix CVE-2008-0928 - insufficient block device address range checking
Qemu 0.9.1 and earlier does not perform range checks for block device
read or write requests, which allows guest host users with root
privileges to access arbitrary memory and escape the virtual machine.
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@4037 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'block-vmdk.c')
| -rw-r--r-- | block-vmdk.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/block-vmdk.c b/block-vmdk.c index 9b5fb73..79de09b 100644 --- a/block-vmdk.c +++ b/block-vmdk.c @@ -378,7 +378,7 @@ static int vmdk_open(BlockDriverState *bs, const char *filename, int flags) flags = BDRV_O_RDONLY; fprintf(stderr, "(VMDK) image open: flags=0x%x filename=%s\n", flags, bs->filename); - ret = bdrv_file_open(&s->hd, filename, flags); + ret = bdrv_file_open(&s->hd, filename, flags | BDRV_O_AUTOGROW); if (ret < 0) return ret; if (bdrv_pread(s->hd, 0, &magic, sizeof(magic)) != sizeof(magic)) |