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CVE-2007-4573

Publication date 24 September 2007

Last updated 24 July 2024

Ubuntu priority

High

Why this priority?

The IA32 system call emulation functionality in Linux kernel 2.4.x and 2.6.x before 2.6.22.7, when running on the x86_64 architecture, does not zero extend the eax register after the 32bit entry path to ptrace is used, which might allow local users to gain privileges by triggering an out-of-bounds access to the system call table using the %RAX register.

Status

Package Ubuntu Release Status
linux 8.10 intrepid
Not affected
8.04 LTS hardy
Not affected
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
linux-source-2.6.22 7.10 gutsy
Fixed 2.6.22-13.40
xen-source 8.10 intrepid Not in release
8.04 LTS hardy Not in release
7.10 gutsy Ignored end of life, was needed
7.04 feisty
Fixed 2.6.19-2ubuntu7.1

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