CVE-2012-2373
Priority
Low
Description
The Linux kernel before 3.4.5 on the x86 platform, when Physical Address
Extension (PAE) is enabled, does not properly use the Page Middle Directory
(PMD), which allows local users to cause a denial of service (panic) via a
crafted application that triggers a race condition.
Extension (PAE) is enabled, does not properly use the Page Middle Directory
(PMD), which allows local users to cause a denial of service (panic) via a
crafted application that triggers a race condition.
Ubuntu-Description
Ulrich Obergfell discovered an error in the Linux kernel's memory
management subsystem on 32 bit PAE systems with more than 4GB of memory
installed. A local unprivileged user could exploit this flaw to crash the
system.
management subsystem on 32 bit PAE systems with more than 4GB of memory
installed. A local unprivileged user could exploit this flaw to crash the
system.
References
Notes
jdstrand> linux-armadaxp is maintained by OEM
henrix> Lucid isn't affected (vulnerable code isn't present)
henrix> confirmed Debian stable kernel and they tag it as not affected as well
henrix> Lucid isn't affected (vulnerable code isn't present)
henrix> confirmed Debian stable kernel and they tag it as not affected as well
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | DNE |
| Ubuntu 12.04 LTS (Precise Pangolin): | released (3.2.0-1606.9) |
| Ubuntu 12.10 (Quantal Quetzal): | not-affected (3.2.0-1606.9) |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | not-affected |
| Ubuntu 12.04 LTS (Precise Pangolin): | DNE |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | released (3.0.0-23.37~lucid1) |
| Ubuntu 12.04 LTS (Precise Pangolin): | DNE |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | DNE |
| Ubuntu 12.04 LTS (Precise Pangolin): | ignored (abandoned) |
| Ubuntu 12.10 (Quantal Quetzal): | ignored (abandoned) |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | DNE |
| Ubuntu 12.04 LTS (Precise Pangolin): | ignored (abandoned) |
| Ubuntu 12.10 (Quantal Quetzal): | ignored (abandoned) |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | ignored (abandoned) |
| Ubuntu 12.04 LTS (Precise Pangolin): | ignored (abandoned) |
| Ubuntu 12.10 (Quantal Quetzal): | ignored (abandoned) |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | ignored (reached end-of-life) |
| Ubuntu 12.04 LTS (Precise Pangolin): | DNE |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | DNE |
| Ubuntu 10.04 LTS (Lucid Lynx): | DNE |
| Ubuntu 12.04 LTS (Precise Pangolin): | not-affected |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Patches:
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | ignored (reached end-of-life) |
| Ubuntu 12.04 LTS (Precise Pangolin): | DNE |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | ignored (reached end-of-life) |
| Ubuntu 12.04 LTS (Precise Pangolin): | DNE |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | not-affected |
| Ubuntu 12.04 LTS (Precise Pangolin): | released (3.2.0-28.44) |
| Ubuntu 12.10 (Quantal Quetzal): | not-affected (3.5.0-1.1) |
| Ubuntu 13.04 (Raring Ringtail): | not-affected (3.5.0-1.1) |
| Ubuntu 13.10 (Saucy Salamander): | not-affected (3.5.0-1.1) |
Patches:
| Patch: | http://permalink.gmane.org/gmane.linux.kernel.mm/78590 |
| Introduced by 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 | Fixed by 26c191788f18129af0eb32a358cdaea0c7479626 |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | DNE |
| Ubuntu 12.04 LTS (Precise Pangolin): | released (3.2.0-1417.23) |
| Ubuntu 12.10 (Quantal Quetzal): | not-affected (3.5.0-1.1) |
| Ubuntu 13.04 (Raring Ringtail): | not-affected (3.5.0-1.1) |
| Ubuntu 13.10 (Saucy Salamander): | not-affected (3.5.0-1.1) |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | DNE |
| Ubuntu 12.04 LTS (Precise Pangolin): | ignored (abandoned) |
| Ubuntu 12.10 (Quantal Quetzal): | ignored (abandoned) |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | ignored (reached end-of-life, does not affect buildd) |
| Ubuntu 12.04 LTS (Precise Pangolin): | DNE |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |
Package
| Upstream: | released (3.5~rc1) |
| Ubuntu 10.04 LTS (Lucid Lynx): | DNE |
| Ubuntu 12.04 LTS (Precise Pangolin): | not-affected |
| Ubuntu 12.10 (Quantal Quetzal): | DNE |
| Ubuntu 13.04 (Raring Ringtail): | DNE |
| Ubuntu 13.10 (Saucy Salamander): | DNE |