CVE-2011-2496
Published Jun 13, 2012 · Updated Oct 23, 2026
Original summary
Normalized public record · Updated Oct 23, 2026
Integer overflow in the vma_to_resize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (BUG_ON and system crash) via a crafted mremap system call that expands a memory mapping.
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
Integer overflow in the vma_to_resize function in mm/mremap.c in the Linux kernel before 2.6.39 allows local users to cause a denial of service (BUG_ON and system crash) via a crafted mremap system call that expands a memory mapping.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- None reported
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
- bugzilla.redhat.com ↗
- Patch commit ↗
- [oss-security] 20110627 Re: CVE request: kernel: mm: avoid wrapping vm_pgoff in mremap() and stack expansions ↗
- git.kernel.org ↗
- ftp.osuosl.org ↗
Record history
Published Jun 13, 2012 · Last refreshed Oct 23, 2026