CVE-2012-6547
- Source
- https://cve.org/CVERecord?id=CVE-2012-6547
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2012-6547.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2012-6547
- Downstream
BELL (1)
DEBIAN (1)
RHSA (2)
SUSE (1)
UBUNTU (1)
- Related
- Withdrawn
- 2026-01-27T04:12:01Z
- Published
- 2013-03-15T20:55:07Z
- Modified
- 2026-01-27T04:12:01Z
- Summary
- [none]
- Details
-
The __tun_chr_ioctl function in drivers/net/tun.c in the Linux kernel before 3.6 does not initialize a certain structure, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
- References
-
- http://rhn.redhat.com/errata/RHSA-2013-0744.html
- http://www.mandriva.com/security/advisories?name=MDVSA-2013:176
- https://github.com/torvalds/linux/commit/a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a117dacde0288f3ec60b6e5bcedae8fa37ee0dfc
- http://www.openwall.com/lists/oss-security/2013/03/05/13