CVE-2003-0961

CVE-2003-0961 is a high-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

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.

Frequently asked questions

What is CVE-2003-0961?
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.
How severe is CVE-2003-0961?
CVE-2003-0961 has a CVSS 2.0 base score of 7.2, rated high severity.
Is CVE-2003-0961 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2003-0961?
CVE-2003-0961 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2003-0961?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2003-0961 published?
CVE-2003-0961 was published on 2003-12-15 and last updated on 2026-06-16.

References

Affected products (1)

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