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CVE-2007-3740

Publication date 14 September 2007

Last updated 24 July 2024


Ubuntu priority

The CIFS filesystem in the Linux kernel before 2.6.22, when Unix extension support is enabled, does not honor the umask of a process, which allows local users to gain privileges.

From the Ubuntu Security Team

It was discovered that certain CIFS filesystem actions did not honor the umask of a process. Local attackers could exploit this to gain additional privileges.

Status

Package Ubuntu Release Status
linux-source-2.6.15 6.06 LTS dapper
Fixed 2.6.15-29.60
linux-source-2.6.17 6.10 edgy
Fixed 2.6.17.1-12.41
linux-source-2.6.20 7.04 feisty
Fixed 2.6.20-16.32

References

Related Ubuntu Security Notices (USN)

    • USN-518-1
    • linux-source-2.6.15, linux-source-2.6.17, linux-source-2.6.20 vulnerabilities
    • 25 September 2007

Other references