CVE-2010-1087
First published: Mon Feb 22 2010(Updated: )
Description of problem: The VM/VFS does not allow mapping->a_ops->invalidatepage() to fail. Unfortunately, nfs_wb_page_cancel() may fail if a fatal signal occurs. Since the NFS code assumes that the page stays mapped for as long as the writeback is active, we can end up Oopsing (among other things). The only safe fix here is to convert nfs_wait_on_request(), so as to make it uninterruptible (as is already the case with wait_on_page_writeback()). Upstream commit: <a href="http://git.kernel.org/linus/9f557cd8073104b39528794d44e129331ded649f">http://git.kernel.org/linus/9f557cd8073104b39528794d44e129331ded649f</a>
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | =2.6.33-rc1 | |
| Linux Linux kernel | =2.6.33-rc2 | |
| Linux Linux kernel | =2.6.33-rc3 | |
| Linux Linux kernel | =2.6.33-rc4 | |
| Linux Linux kernel | =2.6.33-rc5 | |
| Linux Linux kernel | >=2.6.0<2.6.33 | |
| Debian Debian Linux | =5.0 |
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Reference Links
- http://www.openwall.com/lists/oss-security/2010/03/03/1
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=9f557cd8073104b39528794d44e129331ded649f
- https://bugzilla.redhat.com/show_bug.cgi?id=567184
- http://www.securityfocus.com/bid/39569
- http://www.debian.org/security/2010/dsa-2053
- http://secunia.com/advisories/39830
- http://lists.opensuse.org/opensuse-security-announce/2010-07/msg00006.html
- http://www.vupen.com/english/advisories/2010/1857
- http://secunia.com/advisories/40645
- http://www.vmware.com/security/advisories/VMSA-2011-0003.html
- http://secunia.com/advisories/43315
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10442
- http://www.securityfocus.com/archive/1/516397/100/0/threaded
- http://git.kernel.org/linus/9f557cd8073104b39528794d44e129331ded649f
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=570093
- https://rhn.redhat.com/errata/RHSA-2010-0504.html
- https://rhn.redhat.com/errata/RHSA-2010-0631.html
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commitdiff%3Bh=9f557cd8073104b39528794d44e129331ded649f
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