https://github.com/torvalds/linux
Revision 194b3da873fd334ef183806db751473512af29ce authored by Vasiliy Kulikov on 14 April 2011, 16:55:16 UTC, committed by Dave Airlie on 21 April 2011, 02:16:55 UTC
pg_start is copied from userspace on AGPIOC_BIND and AGPIOC_UNBIND ioctl cmds of agp_ioctl() and passed to agpioc_bind_wrap(). As said in the comment, (pg_start + mem->page_count) may wrap in case of AGPIOC_BIND, and it is not checked at all in case of AGPIOC_UNBIND. As a result, user with sufficient privileges (usually "video" group) may generate either local DoS or privilege escalation. Signed-off-by: Vasiliy Kulikov <segoon@openwall.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
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Tip revision: 194b3da873fd334ef183806db751473512af29ce authored by Vasiliy Kulikov on 14 April 2011, 16:55:16 UTC
agp: fix arbitrary kernel memory writes
agp: fix arbitrary kernel memory writes
Tip revision: 194b3da
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 941 bytes |
| .mailmap | -rw-r--r-- | 4.1 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 91.7 KB |
| Kbuild | -rw-r--r-- | 2.4 KB |
| Kconfig | -rw-r--r-- | 252 bytes |
| MAINTAINERS | -rw-r--r-- | 187.9 KB |
| Makefile | -rw-r--r-- | 51.1 KB |
| README | -rw-r--r-- | 17.1 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.3 KB |
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