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Home » Hacking News » Linux kernel ioperm system call vulnerability

Linux kernel ioperm system call vulnerability

by Mario Miri on May 22nd, 2003 A programming error in Linux kernel may allow an unprivileged to read or write on I/O addresses which would normally not be allowed. This is due to implementation of ioperm() system call.


Vulnerable:
Linux kernel 2.4
Linux kernel 2.4.1
Linux kernel 2.4.2
Linux kernel 2.4.3
Linux kernel 2.4.4
Linux kernel 2.4.5
Linux kernel 2.4.6
Linux kernel 2.4.7
Linux kernel 2.4.8
Linux kernel 2.4.9
Linux kernel 2.4.10
Linux kernel 2.4.11
Linux kernel 2.4.12
Linux kernel 2.4.13
Linux kernel 2.4.14
Linux kernel 2.4.15
Linux kernel 2.4.16
Linux kernel 2.4.17
Linux kernel 2.4.18
Linux kernel 2.4.19
Linux kernel 2.4.20
Linux kernel 2.5.0
Linux kernel 2.5.1
Linux kernel 2.5.2
Linux kernel 2.5.3
Linux kernel 2.5.4
Linux kernel 2.5.5
Linux kernel 2.5.6
Linux kernel 2.5.7
Linux kernel 2.5.8
Linux kernel 2.5.9
Linux kernel 2.5.10
Linux kernel 2.5.11
Linux kernel 2.5.12
Linux kernel 2.5.13
Linux kernel 2.5.14
Linux kernel 2.5.15
Linux kernel 2.5.16
Linux kernel 2.5.17
Linux kernel 2.5.18
Linux kernel 2.5.19
Linux kernel 2.5.20
Linux kernel 2.5.21
Linux kernel 2.5.22
Linux kernel 2.5.23
Linux kernel 2.5.24
Linux kernel 2.5.25
Linux kernel 2.5.26
Linux kernel 2.5.27
Linux kernel 2.5.28
Linux kernel 2.5.29
Linux kernel 2.5.30
Linux kernel 2.5.31
Linux kernel 2.5.32
Linux kernel 2.5.33
Linux kernel 2.5.34
Linux kernel 2.5.35
Linux kernel 2.5.36
Linux kernel 2.5.37
Linux kernel 2.5.38
Linux kernel 2.5.39
Linux kernel 2.5.40
Linux kernel 2.5.41
Linux kernel 2.5.42
Linux kernel 2.5.43
Linux kernel 2.5.44
Linux kernel 2.5.45
Linux kernel 2.5.46
Linux kernel 2.5.47
Linux kernel 2.5.48
Linux kernel 2.5.49
Linux kernel 2.5.50
Linux kernel 2.5.51
Linux kernel 2.5.52
Linux kernel 2.5.53
Linux kernel 2.5.54
Linux kernel 2.5.55
Linux kernel 2.5.56
Linux kernel 2.5.57
Linux kernel 2.5.58
Linux kernel 2.5.59
Linux kernel 2.5.60
Linux kernel 2.5.61
Linux kernel 2.5.62
Linux kernel 2.5.63
Linux kernel 2.5.64
Linux kernel 2.5.65
Linux kernel 2.5.66
Linux kernel 2.5.67
Linux kernel 2.5.68
Linux kernel 2.5.69


Solution:
Redhat advisory available: RHSA-2003:172-00
Engarde advisory available:ESA-20030515-017


Discovered by:
Martin J. Bligh


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