CVE-2009-0676

Publication date 22 February 2009

Last updated 24 July 2024

Ubuntu priority

The sock_getsockopt function in net/core/sock.c in the Linux kernel before 2.6.28.6 does not initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel memory via an SO_BSDCOMPAT getsockopt request.

From the Ubuntu Security Team

The getsockopt function did not correctly clear certain parameters. A local attacker could read leaked kernel memory, leading to a loss of privacy.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
linux	8.10 intrepid	Fixed 2.6.27-11.31
	8.04 LTS hardy	Fixed 2.6.24-23.52
	7.10 gutsy	Not in release
	6.06 LTS dapper	Not in release
linux-source-2.6.15	8.10 intrepid	Not in release
	8.04 LTS hardy	Not in release
	7.10 gutsy	Not in release
	6.06 LTS dapper	Fixed 2.6.15-54.76
linux-source-2.6.22	8.10 intrepid	Not in release
	8.04 LTS hardy	Not in release
	7.10 gutsy	Fixed 2.6.22-16.62
	6.06 LTS dapper	Not in release

Notes

mdeslaur

PoC: http://patchwork.kernel.org/patch/6816/

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
linux	Upstream: http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=df0bca049d01c0ee94afb7cd5dfd959541e6c8da

CVE-2009-0676

From the Ubuntu Security Team

Status

Notes

mdeslaur

Patch details

References

Related Ubuntu Security Notices (USN)

Other references