CVE-2007-6712
Published: 12 April 2008
Integer overflow in the hrtimer_forward function (hrtimer.c) in Linux kernel 2.6.21-rc4, when running on 64-bit systems, allows local users to cause a denial of service (infinite loop) via a timer with a large expiry value, which causes the timer to always be expired.
From the Ubuntu Security Team
Johannes Bauer discovered that the 64bit kernel did not correctly handle hrtimer updates. A local attacker could request a large expiration value and cause the system to hang, leading to a denial of service.
Notes
| Author | Note |
|---|---|
| kees | fixed upstream in two ways (see patch list) |
Priority
Medium
Status
| Package | Release | Status |
|---|---|---|
|
linux Launchpad, Ubuntu, Debian |
dapper |
Does not exist
|
| edgy |
Does not exist
|
|
| feisty |
Does not exist
|
|
| gutsy |
Does not exist
|
|
| hardy |
Not vulnerable
|
|
| upstream |
Released
(2.6.25~rc2)
|
|
|
Patches: other: http://git.kernel.org/?p=linux/kernel/git/chris/linux-2.6.git;a=commitdiff;h=13788ccc41ceea5893f9c747c59bc0b28f2416c2 upstream: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=5a7780e725d1bb4c3094fcc12f1c5c5faea1e988 |
||
|
linux-source-2.6.15 Launchpad, Ubuntu, Debian |
dapper |
Not vulnerable
|
| edgy |
Does not exist
|
|
| feisty |
Does not exist
|
|
| gutsy |
Does not exist
|
|
| hardy |
Does not exist
|
|
| upstream |
Released
(2.6.25~rc2)
|
|
|
linux-source-2.6.17 Launchpad, Ubuntu, Debian |
dapper |
Does not exist
|
| edgy |
Ignored
(EOL)
|
|
| feisty |
Does not exist
|
|
| gutsy |
Does not exist
|
|
| hardy |
Does not exist
|
|
| upstream |
Released
(2.6.25~rc2)
|
|
|
linux-source-2.6.20 Launchpad, Ubuntu, Debian |
dapper |
Does not exist
|
| edgy |
Does not exist
|
|
| feisty |
Released
(2.6.20-17.37)
|
|
| gutsy |
Does not exist
|
|
| hardy |
Does not exist
|
|
| upstream |
Released
(2.6.25~rc2)
|
|
|
linux-source-2.6.22 Launchpad, Ubuntu, Debian |
dapper |
Does not exist
|
| edgy |
Does not exist
|
|
| feisty |
Does not exist
|
|
| gutsy |
Released
(2.6.22-15.56)
|
|
| hardy |
Does not exist
|
|
| upstream |
Released
(2.6.25~rc2)
|
|