CVE-2003-0461 json
/proc/tty/driver/serial in Linux 2.4.x reveals the exact number of characters used in serial links, which could allow local users to obtain…
published 2003-07-25 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0455
- cvss
- 2.1
- version 2.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 35%
- public exploits
- 0
- none known
Summary
/proc/tty/driver/serial in Linux 2.4.x reveals the exact number of characters used in serial links, which could allow local users to obtain potentially sensitive information such as the length of passwords.
Patch / fix
- kernel RHEL 3 2.4.21-15.EL
- kernel-smp RHEL 3 2.4.21-15.EL
- kernel-BOOT RHEL 3 2.4.21-15.EL
- kernel-source RHEL 3 2.4.21-15.EL
- kernel-hugemem RHEL 3 2.4.21-15.EL
- kernel-unsupported RHEL 3 2.4.21-15.EL
- kernel-smp-unsupported RHEL 3 2.4.21-15.EL
- kernel-hugemem-unsupported RHEL 3 2.4.21-15.EL
red hat advisories RHSA-2004:188
- redhat.com/support/errata/RHSA-2003-238.html advisory
- debian.org/security/2004/dsa-423 advisory
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2003-0461 updated
security flaw
-
Red Hat Desktop version 3 kernel 2.4.21-15.EL, kernel-smp 2.4.21-15.EL, kernel-BOOT 2.4.21-15.EL, kernel-source 2.4.21-15.EL, kernel-hugemem 2.4.21-15.EL, kernel-unsupported 2.4.21-15.EL, +2 more Red Hat Enterprise Linux AS version 3 kernel 2.4.21-15.EL, kernel-smp 2.4.21-15.EL, kernel-BOOT 2.4.21-15.EL, kernel-source 2.4.21-15.EL, kernel-hugemem 2.4.21-15.EL, kernel-unsupported 2.4.21-15.EL, +2 more Red Hat Enterprise Linux ES version 3 kernel 2.4.21-15.EL, kernel-smp 2.4.21-15.EL, kernel-BOOT 2.4.21-15.EL, kernel-source 2.4.21-15.EL, kernel-hugemem 2.4.21-15.EL, kernel-unsupported 2.4.21-15.EL, +2 more Red Hat Enterprise Linux WS version 3 kernel 2.4.21-15.EL, kernel-smp 2.4.21-15.EL, kernel-BOOT 2.4.21-15.EL, kernel-source 2.4.21-15.EL, kernel-hugemem 2.4.21-15.EL, kernel-unsupported 2.4.21-15.EL, +2 morefixed: vendor fix RHSA-2004:188
-
Red Hat Linux 7.1 Red Hat Linux 7.2 Red Hat Linux 7.3 Red Hat Linux 8.0 Red Hat Linux 9fixed: vendor fix RHSA-2003:238
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
Exploit prediction
0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 2.0 | 2.1 | AV:L/AC:L/Au:N/C:P/I:N/A:N |
References
-
redhat.com
/support/errata/RHSA-2003-238.html
vendor-advisory, patch
-
debian.org
/security/2004/dsa-423
vendor-advisory, patch
-
redhat.com
/support/errata/RHSA-2004-188.html
vendor-advisory
-
debian.org
/security/2004/dsa-358
vendor-advisory
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A304
vdb-entry, signature
- rsbac.dyndns.org /pipermail/rsbac/2002-May/000162.html
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A997
vdb-entry, signature
-
oval.cisecurity.org
/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9330
vdb-entry, signature
Sources
- CVE List CVE-2003-0461
- NVD CVE-2003-0461
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.