Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2011-2022

23
FAUCET Score

CVE-2011-2022 describes a vulnerability in the Linux kernel, specifically within the agp_generic_remove_memory function, affecting versions prior to 2.6.38.5. This flaw allows local users to escalate privileges or trigger a system crash through a crafted AGPIOC_UNBIND agp_ioctl call due to improper validation of a 'start' parameter. With a CVSS score of 6.9, it's considered high severity, requiring local access and medium attack complexity for full confidentiality, integrity, and availability impact. There is no evidence of active exploitation, public exploit code, or significant community discussion beyond a single mention.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.38.5CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux:5.0:*:*:*:*:*:*:*
5.6CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_aus:5.6:*:*:*:*:*:*:*
5.0CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*
5.6CPE matchmatch criteria
cpe:2.3:o:redhat:enterprise_linux_eus:5.6:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.9MEDIUM

AV:L/AC:M/Au:N/C:C/I:C/A:C

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 48th percentile among its peer group of 1,595 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (6)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-238.19.1.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-131.17.1.el6
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise MRG 2Fixed in: kernel-rt-0:2.6.33.9-rt31.75.el6rt
View patch
redhatno patchvia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel
redhatno patchvia redhat_api
Product: Red Hat Enterprise MRG 1Fixed in: kernel-rt

Vendor Advisories (1)

redhatCVE-2011-2022Important

kernel: agp: insufficient pg_start parameter checking in AGPIOC_BIND and AGPIOC_UNBIND ioctls

Apr 14, 2011

References

git.kernel.org
openwall.com / lists/oss-security/2011/04/21/4
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2011/04/22/7
Mailing ListPatchThird Party Advisory
rhn.redhat.com / errata/RHSA-2011-0927.html
Third Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
lkml.org / lkml/2011/4/14/293
PatchThird Party Advisory
kernel.org / pub/linux/kernel/v2.6/ChangeLog-2.6.38.5
Release NotesVendor Advisory
securityfocus.com / bid/47843
Third Party AdvisoryVDB Entry