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2.1

Linux kernel 2.x lets local users change file group IDs

CVE-2004-0497 · published 21 years ago
Summary

The Linux kernel versions in the 2.x series let anyone with local access change the group ownership of files, including those shared over NFS. This could let a user give themselves or others more access to shared data. Apply the latest kernel updates or patches for your distribution to stop the behavior.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
mandrakesoft mandrake_multi_network_firewall 8.2
cpe:2.3:a:mandrakesoft:mandrake_multi_network_firewall:8.2:*:*:*:*:*:*:*
conectiva linux 10
cpe:2.3:o:conectiva:linux:10:*:*:*:*:*:*:*
gentoo linux All versions
cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*
linux linux_kernel 2.0
cpe:2.3:o:linux:linux_kernel:2.0:*:*:*:*:*:*:*
mandrakesoft mandrake_linux 9.1
9.2
10.0
cpe:2.3:o:mandrakesoft:mandrake_linux:9.1:*:*:*:*:*:*:*
mandrakesoft mandrake_linux_corporate_server 2.1
cpe:2.3:o:mandrakesoft:mandrake_linux_corporate_server:2.1:*:*:*:*:*:*:*
redhat enterprise_linux 2.1
3.0
cpe:2.3:o:redhat:enterprise_linux:2.1:*:advanced_server:*:*:*:*:*
suse suse_linux 8.0
8.1
8.2
9.0
9.1
cpe:2.3:o:suse:suse_linux:8.0:*:*:*:*:*:*:*
trustix secure_linux 2
2.1
cpe:2.3:o:trustix:secure_linux:2:*:*:*:*:*:*:*
Original advisory text
Unknown vulnerability in Linux kernel 2.x may allow local users to modify the group ID of files, such as NFS exported files in kernel 2.4.
Unknown vulnerability in Linux kernel 2.x may allow local users to modify the group ID of files, such as NFS exported files in kernel 2.4.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
2.1 Low
Exploitation
<1% chance of attack within 30 days
Timeline
Published6 Dec 2004
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2004-0497 · NVD
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