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CVE-2009-4021

Publication date 25 November 2009

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The fuse_direct_io function in fs/fuse/file.c in the fuse subsystem in the Linux kernel before 2.6.32-rc7 might allow attackers to cause a denial of service (invalid pointer dereference and OOPS) via vectors possibly related to a memory-consumption attack.

Status

Package Ubuntu Release Status
linux 9.10 karmic
Not affected
9.04 jaunty
Fixed 2.6.28-18.59
8.10 intrepid
Fixed 2.6.27-17.45
8.04 LTS hardy
Fixed 2.6.24-27.65
6.06 LTS dapper Not in release
linux-source-2.6.15 9.10 karmic Not in release
9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Fixed 2.6.15-55.82

Patch details

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

Package Patch details
linux

References

Related Ubuntu Security Notices (USN)

    • USN-894-1
    • Linux kernel vulnerabilities
    • 5 February 2010

Other references