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CVE-2009-1337

Publication date 22 April 2009

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

The exit_notify function in kernel/exit.c in the Linux kernel before 2.6.30-rc1 does not restrict exit signals when the CAP_KILL capability is held, which allows local users to send an arbitrary signal to a process by running a program that modifies the exit_signal field and then uses an exec system call to launch a setuid application.

Status

Package Ubuntu Release Status
linux 9.04 jaunty
Fixed 2.6.28-13.45
8.10 intrepid
Fixed 2.6.27-14.35
8.04 LTS hardy
Fixed 2.6.24-24.55
6.06 LTS dapper Not in release
linux-source-2.6.15 9.04 jaunty Not in release
8.10 intrepid Not in release
8.04 LTS hardy Not in release
6.06 LTS dapper
Fixed 2.6.15-54.77

References

Related Ubuntu Security Notices (USN)

    • USN-793-1
    • Linux kernel vulnerabilities
    • 2 July 2009

Other references