CVE 2012-6547
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.
Related bugs and status
CVE-2012-6547 (Candidate) is related to these bugs:
Bug #1156761: CVE-2012-6547
| Summary | In | Importance | Status | |||
|---|---|---|---|---|---|---|
| 1156761 | CVE-2012-6547 | linux (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-fsl-imx51 (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-mvl-dove (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu) | Undecided | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-ti-omap4 (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-ec2 (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Raring) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Raring) | Undecided | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Quantal) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Quantal) | Undecided | Invalid | ||
| 1156761 | CVE-2012-6547 | linux (Ubuntu Precise) | Low | Fix Released | ||
| 1156761 | CVE-2012-6547 | linux-ec2 (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-fsl-imx51 (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Precise) | Undecided | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-mvl-dove (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-ti-omap4 (Ubuntu Precise) | Low | Fix Released | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Lucid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Lucid) | Undecided | Won't Fix | ||
| 1156761 | CVE-2012-6547 | linux-armadaxp (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-armadaxp (Ubuntu Precise) | Low | Fix Released | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Lucid) | Low | Fix Released | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Quantal) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Raring) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-quantal (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-quantal (Ubuntu Precise) | Low | Won't Fix | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Saucy) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Saucy) | Undecided | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Saucy) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-raring (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-raring (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-trusty (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-trusty (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-armadaxp (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-ec2 (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-fsl-imx51 (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Trusty) | Undecided | New | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Trusty) | Undecided | New | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Trusty) | Undecided | New | ||
| 1156761 | CVE-2012-6547 | linux-lts-quantal (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-raring (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-trusty (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-mvl-dove (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-ti-omap4 (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Utopic) | Undecided | Won't Fix | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Utopic) | Undecided | Won't Fix | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Utopic) | Undecided | Won't Fix | ||
| 1156761 | CVE-2012-6547 | linux (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-armadaxp (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-ec2 (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-fsl-imx51 (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-maverick (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-natty (Ubuntu Vivid) | Undecided | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-backport-oneiric (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-quantal (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-raring (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-trusty (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-mvl-dove (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-ti-omap4 (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-goldfish (Ubuntu) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-goldfish (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-goldfish (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-goldfish (Ubuntu Vivid) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-lts-saucy (Ubuntu) | Undecided | New | ||
| 1156761 | CVE-2012-6547 | linux-lts-saucy (Ubuntu Precise) | Undecided | Won't Fix | ||
| 1156761 | CVE-2012-6547 | linux-lts-saucy (Ubuntu Trusty) | Undecided | New | ||
| 1156761 | CVE-2012-6547 | linux-lts-saucy (Ubuntu Vivid) | Undecided | Won't Fix | ||
| 1156761 | CVE-2012-6547 | linux-flo (Ubuntu) | Low | New | ||
| 1156761 | CVE-2012-6547 | linux-flo (Ubuntu Precise) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-flo (Ubuntu Trusty) | Low | Invalid | ||
| 1156761 | CVE-2012-6547 | linux-flo (Ubuntu Vivid) | Low | New | ||
See the 
CVE page on Mitre.org
for more details.
