CVE-2013-1979
First published: Tue Apr 23 2013(Updated: )
Commit 257b5358b32f ("scm: Capture the full credentials of the scm sender") changed the credentials passing code to pass in the effective uid/gid instead of the real uid/gid. Obviously this doesn't matter most of the time (since normally they are the same), but it results in differences for suid binaries when the wrong uid/gid ends up being used. An unprivileged local user could use this flaw to elevate their privileges. Upstream fix: <a href="http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83f1b4ba917db5dc5a061a44b3403ddb6e783494">http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83f1b4ba917db5dc5a061a44b3403ddb6e783494</a> Acknowledgements: Red Hat would like to thank Andy Lutomirski for reporting this issue.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <=3.8.10 | |
| Linux Linux kernel | =3.8.0 | |
| Linux Linux kernel | =3.8.1 | |
| Linux Linux kernel | =3.8.2 | |
| Linux Linux kernel | =3.8.3 | |
| Linux Linux kernel | =3.8.4 | |
| Linux Linux kernel | =3.8.5 | |
| Linux Linux kernel | =3.8.6 | |
| Linux Linux kernel | =3.8.7 | |
| Linux Linux kernel | =3.8.8 | |
| Linux Linux kernel | =3.8.9 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=83f1b4ba917db5dc5a061a44b3403ddb6e783494
- http://lists.fedoraproject.org/pipermail/package-announce/2013-April/103750.html
- http://lists.fedoraproject.org/pipermail/package-announce/2013-May/104480.html
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00016.html
- http://lists.opensuse.org/opensuse-security-announce/2013-07/msg00018.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00006.html
- http://lists.opensuse.org/opensuse-security-announce/2014-10/msg00007.html
- http://lists.opensuse.org/opensuse-updates/2013-12/msg00129.html
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.8.11
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- http://www.openwall.com/lists/oss-security/2013/04/29/1
- https://bugzilla.redhat.com/show_bug.cgi?id=955629
- https://github.com/torvalds/linux/commit/83f1b4ba917db5dc5a061a44b3403ddb6e783494
- https://launchpad.net/bugs/cve/CVE-2013-1979
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=83f1b4ba917db5dc5a061a44b3403ddb6e783494
- https://rhn.redhat.com/errata/RHSA-2013-0829.html
- http://www.mail-archive.com/stable@vger.kernel.org/msg38503.html
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=955647
- https://security-tracker.debian.org/tracker/CVE-2013-1979
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2013-1979
- https://nvd.nist.gov/vuln/detail/CVE-2013-1979
- https://ubuntu.com/security/CVE-2013-1979
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