CVE-2003-0961: linux linux_kernel
Vulnerability summary
CVE-2003-0961 is a high (CVSS 7.2) vulnerability in linux linux_kernel. EPSS estimates a 3.92% chance of exploitation in the next 30 days, higher than 90.2% of scored vulnerabilities. 2 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 8Timeline
- 02-12-2003PublishedVulnerability first disclosed.
- 08-08-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
3.92%
Chance of exploitation in the next 30 days
Percentile
90%
Versus all other CVEs
30-day change
+0.60 pp
From 3.32% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundLinux Kernel 2.4.22 - 'do_brk()' Local Privilege Escalation (1)
Maturity: weaponized
Linux Kernel 2.4.22 - 'do_brk()' Local Privilege Escalation (2)
Maturity: weaponized
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Debian4 products
- kernel-image-2.4.18-1-alpha< 2.4.18-11
- kernel-image-2.4.18-1-i386< 2.4.18-12
- kernel-patch-2.4.17-mips< 2.4.17-0.020226.2.woody4
- kernel-source-2.4.18< 2.4.18-14
Linux1 product
- linux_kernel≤ 2.4.22
2 vendors · 5 products
References
25 linksShow all 25 references
- isec.pl/papers/linux_kernel_do_brk.pdfX Refsource MISC