CVE-2009-0024 — The sys_remap_file_pages function in mm/fremap

The sys_remap_file_pages function in mm/fremap.c in the Linux kernel before 2.6.24.1 allows local users to cause a denial of service or gain privileges via unspecified vectors, related to the vm_file structure member, and the mmap_region and do_munmap functions.

01What is this vulnerability?

The sys_remap_file_pages function in mm/fremap.c in the Linux kernel before 2.6.24.1 allows local users to cause a denial of service or gain privileges via unspecified vectors, related to the vm_file structure member, and the mmap_region and do_munmap functions.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

Open in Sigma generator →

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2009-01-13T16:00:00.000Z
• Last modified: 2024-08-07T04:17:10.467Z

09References

• git.kernel.org — http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.24.y.git%3Ba=commit%3…
• www.kernel.org — http://www.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.24.1
• openwall.com — http://openwall.com/lists/oss-security/2009/01/12/1
• www.securityfocus.com — http://www.securityfocus.com/bid/33211