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Fencer Vulns
medium 5.0

CVE-2003-0465 json

The kernel strncpy function in Linux 2.4 and 2.5 does not %NUL pad the buffer on architectures other than x86, as opposed to the expected b…

published 2003-07-15 23 y ago modified 2026-06-16 4 mo ago also EUVD-2003-0459

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.9%
EPSS 1.9% chance of exploitation in 30 days, percentile 79%
public exploits
0
none known

Summary

The kernel strncpy function in Linux 2.4 and 2.5 does not %NUL pad the buffer on architectures other than x86, as opposed to the expected behavior of strncpy as implemented in libc, which could lead to information leaks.

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

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-2003-0465 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 more
    fixed: vendor fix RHSA-2004:188

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

1.86% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:P/I:N/A:N

Classification

Technology feeds

References

Sources

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