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CVE-2003-0246
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…
- 3.6LowCVSS base score
- 0.50%Exploitation in 30 daysEPSS · top 57% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By mitre
- 9 days later
· 9 days later
Published
- 21 years later
· 21 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Low3.6 | AV:L/AC:L/Au:N/C:P/I:P/A:N |
- EPSS (exploitation in 30 days)
- 0.50% · top 57% of all CVEs (9 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 3.6.
Affected products
n/a
- affected n/a
References
13
- RHSA-2003:147 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- TLSA-2003-41 (opens in a new tab)vendor-advisoryx_refsource_TURBOx_transferred
- MDKSA-2003:074 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- DSA-336 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- MDKSA-2003:066 (opens in a new tab)vendor-advisoryx_refsource_MANDRAKEx_transferred
- RHSA-2003:172 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- ESA-20030515-017 (opens in a new tab)vendor-advisoryx_refsource_ENGARDEx_transferred
- DSA-311 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-332 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-312 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-442 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 20030520 Linux 2.4 kernel ioperm vuln (opens in a new tab)mailing-listx_refsource_VULNWATCHx_transferred
- oval:org.mitre.oval:def:278 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2003-0241 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2003-0246)Record last updated .