oss-sec mailing list archives
Re: CVE Request -- kernel: futex: clear robust_list on execve
From: akuster <akuster () mvista com>
Date: Thu, 05 Jan 2012 05:33:47 -1000
Could it be said that this issue was introduced by these two commits in 2.6.16 ? 0771dfefc9e538f077d0b43b6dec19a5a67d0e70 34f192c6527f20c47ccec239e7d51a27691b93fc - Armin On 01/04/2012 12:10 PM, Petr Matousek wrote:
Move "exit_robust_list" into mm_release() and clear them We don't want to get rid of the futexes just at exit() time, we want to drop them when doing an execve() too, since that gets rid of the previous VM image too. Doing it at mm_release() time means that we automatically always do it when we disassociate a VM map from the task. Upstream patches: 8141c7f3e7aee618312fa1c15109e1219de784a7 fc6b177dee33365ccb29fe6d2092223cf8d679f9 Reference: https://bugzilla.redhat.com/show_bug.cgi?id=771764
Current thread:
- CVE Request -- kernel: futex: clear robust_list on execve Petr Matousek (Jan 04)
- Re: CVE Request -- kernel: futex: clear robust_list on execve Kurt Seifried (Jan 04)
- Re: CVE Request -- kernel: futex: clear robust_list on execve Greg KH (Jan 04)
- Re: CVE Request -- kernel: futex: clear robust_list on execve Petr Matousek (Jan 05)
- Re: CVE Request -- kernel: futex: clear robust_list on execve akuster (Jan 05)
- Re: CVE Request -- kernel: futex: clear robust_list on execve Petr Matousek (Jan 05)