What’s Vulnerable › Vulnerabilities

CVE-2003-0961

• Severity: high (CVSS 7.2 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 3.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2003-12-15 · updated 2026-06-16

Description

Integer overflow in the do_brk function for the brk system call in Linux kernel 2.4.22 and earlier allows local users to gain root privileges.

Affected products

• Linux kernel: through 2.4.22

References

• http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000796
• http://isec.pl/papers/linux_kernel_do_brk.pdf
• http://marc.info/?l=bugtraq&m=107064798706473&w=2
• http://marc.info/?l=bugtraq&m=107064830206816&w=2
• http://marc.info/?l=bugtraq&m=107394143105081&w=2
• http://secunia.com/advisories/10328
• http://secunia.com/advisories/10329
• http://secunia.com/advisories/10330
• http://secunia.com/advisories/10333
• http://secunia.com/advisories/10338
• http://www.debian.org/security/2003/dsa-403
• http://www.debian.org/security/2004/dsa-417

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