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CVE-2001-1391

16
FAUCET Score

CVE-2001-1391 describes an off-by-one vulnerability in the CPIA driver of the Linux kernel prior to version 2.2.19, allowing local users to modify kernel memory. This vulnerability has a CVSS score of 5.5 (Medium), indicating it requires local access with low attack complexity, and could lead to high integrity impact, though confidentiality and availability are not affected. There is no evidence of active exploitation, no known public exploit code (Metasploit, Nuclei, ExploitDB), and it has received no community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.2.19CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
NONE
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.42%
Probability of exploitation in next 30 days
EPSS Percentile
34.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0042 is in the 89th percentile among its peer group of 15,903 CVEs.

Social Chatter

No social media mentions found for this CVE.

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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Linux 6.2
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Linux 7.0
View patch

Vendor Advisories (1)

redhatCVE-2001-1391

security flaw

Mar 27, 2001

References

marc.info
Mailing ListPatch
marc.info
Mailing ListPatch
marc.info
Mailing List
marc.info
Mailing ListPatch
marc.info
Mailing List
marc.info
Mailing ListPatch
marc.info
Mailing List
exchange.xforce.ibmcloud.com / vulnerabilities/11162
Third Party AdvisoryVDB Entry
debian.org / security/2001/dsa-047
Broken Link
linux.org.uk / VERSION/relnotes.2219.html
Broken Link
redhat.com / support/errata/RHSA-2001-047.html
Broken LinkVendor Advisory