CVE-2011-1080
Published: 25 July 2011
The do_replace function in net/bridge/netfilter/ebtables.c in the Linux kernel before 2.6.39 does not ensure that a certain name field ends with a '\0' character, which allows local users to obtain potentially sensitive information from kernel stack memory by leveraging the CAP_NET_ADMIN capability to replace a table, and then reading a modprobe command line.
From the Ubuntu security team
Vasiliy Kulikov discovered that bridge network filtering did not check that name fields were NULL terminated. A local attacker could exploit this to leak contents of kernel stack memory, leading to a loss of privacy.
Priority
Low
Status
| Package | Release | Status |
|---|---|---|
|
linux Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
|
Patches: Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 Fixed by d846f71195d57b0bbb143382647c2c6638b04c5a |
||
|
linux-ec2 Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
|
linux-fsl-imx51 Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
|
linux-lts-backport-maverick Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
|
linux-lts-backport-natty Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
|
linux-lts-backport-oneiric Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
|
linux-mvl-dove Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
|
linux-ti-omap4 Launchpad, Ubuntu, Debian |
Upstream |
Released
(2.6.39~rc1)
|
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2011-1080
- https://usn.ubuntu.com/usn/usn-1187-1
- https://usn.ubuntu.com/usn/usn-1189-1
- https://usn.ubuntu.com/usn/usn-1202-1
- https://usn.ubuntu.com/usn/usn-1204-1
- https://usn.ubuntu.com/usn/usn-1167-1
- https://usn.ubuntu.com/usn/usn-1160-1
- https://usn.ubuntu.com/usn/usn-1141-1
- https://usn.ubuntu.com/usn/usn-1162-1
- https://usn.ubuntu.com/usn/usn-1159-1
- https://usn.ubuntu.com/usn/usn-1212-1
- https://usn.ubuntu.com/usn/usn-1256-1
- NVD
- Launchpad
- Debian