1.2low

CVE-2003-04621 exploit

A race condition in the way env_start and env_end pointers are initialized in the execve system call and used in fs/proc/base.c on Linux 2.…

Published 23 y ago · modified 4 mo ago · JSON

CVSS
1.2
v2.0 · NVD
CISA KEV
No
not known exploited
EPSS
0.6%
percentile 51%
Public exploits
1
Exploit-DB

Summary

A race condition in the way env_start and env_end pointers are initialized in the execve system call and used in fs/proc/base.c on Linux 2.4 allows local users to cause a denial of service (crash).

Exploit prediction (EPSS)

0.65% probability of exploitation in the next 30 days, higher than 51% of all scored CVEs.

Exploits and detections

  • EDB-22840 Linux Kernel 2.4 - SUID 'execve()' System Call Race Condition Executable File Read · local · 2003-06-26

CVSS scores

Assigned byVersionScoreVector
NVD2.01.2AV:L/AC:H/Au:N/C:N/I:N/A:P

Classification

Technology feeds
Linux kernel (RSS, critical only)

References

  • redhat.com /support/errata/RHSA-2003-238.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • debian.org /security/2004/dsa-423 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • redhat.com /support/errata/RHSA-2003-198.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • redhat.com /support/errata/RHSA-2003-239.html · vendor-advisory, x_refsource_REDHAT, x_transferred
  • oval.cisecurity.org /repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A309 · vdb-entry, signature, x_refsource_OVAL, x_transferred
  • debian.org /security/2004/dsa-358 · vendor-advisory, x_refsource_DEBIAN, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.