DescriptionUse-after-free vulnerability in the fasync_helper function in fs/fcntl.c in the Linux kernel before 2.6.33-rc4-git1 allows local users to gain privileges via vectors that include enabling O_ASYNC (aka FASYNC or FIOASYNC) on a locked file, and then closing this file.
Overall state of this security issue: Resolved
This issue is currently rated as having important severity.
|National Vulnerability Database|
Note from the SUSE Security TeamThis problem was introduced at some time in 2008 where locking was changed to be more finegrained. It affects openSUSE 11.2, and we are still evaluating if it affects SUSE Linux Enterprise 11. Older products are not affected by this problem. SUSE Bugzilla entries: 565083 [RESOLVED / FIXED], 572937 [RESOLVED / INVALID] SUSE Security Advisories:
- SUSE-SA:2010:010, published Mon, 08 Feb 2010 16:00:00 +0000
Status of this issue by product and package
Please note that this evaluation state might be work in progress, incomplete or outdated. Also information for service packs in the LTSS phase is only included for issues meeting the LTSS criteria. If in doubt, feel free to contact us for clarification.
|SUSE Linux Enterprise Desktop 11||kernel-default||Released|
|SUSE Linux Enterprise Desktop 11||kernel-source||Released|
|SUSE Linux Enterprise Server 11||kernel-default||Released|
|SUSE Linux Enterprise Server 11||kernel-source||Released|