Description
The ioperm system call in Linux kernel 2.4.20 and earlier does not properly restrict privileges, which allows local users to gain read or write access to certain I/O ports.
References (13)
Core 13
Core References
Vendor Advisory vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2003-147.html
Various Sources vendor-advisory
x_refsource_turbo
http://www.turbolinux.com/security/TLSA-2003-41.txt
Vendor Advisory vendor-advisory
x_refsource_mandrake
http://www.mandriva.com/security/advisories?name=MDKSA-2003:074
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2003/dsa-336
Vendor Advisory vendor-advisory
x_refsource_mandrake
http://www.mandriva.com/security/advisories?name=MDKSA-2003:066
Patch, Vendor Advisory vendor-advisory
x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2003-172.html
Mailing List vendor-advisory
x_refsource_engarde
http://marc.info/?l=bugtraq&m=105301461726555&w=2
Patch, Vendor Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2003/dsa-311
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2003/dsa-332
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2003/dsa-312
Third Party Advisory vendor-advisory
x_refsource_debian
http://www.debian.org/security/2004/dsa-442
Third Party Advisory mailing-list
x_refsource_vulnwatch
http://archives.neohapsis.com/archives/vulnwatch/2003-q2/0076.html
Third Party Advisory, VDB Entry vdb-entry
signature
x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A278
Scores
EPSS
0.0050
EPSS Percentile
40.4%
Details
Status
published
Products (50)
linux/linux_kernel
2.4.0
linux/linux_kernel
2.4.1
linux/linux_kernel
2.4.2
linux/linux_kernel
2.4.3
linux/linux_kernel
2.4.4
linux/linux_kernel
2.4.5
linux/linux_kernel
2.4.6
linux/linux_kernel
2.4.7
linux/linux_kernel
2.4.8
linux/linux_kernel
2.4.9
... and 40 more
Published
Jun 16, 2003
Tracked Since
Feb 18, 2026