udev before 1.4.1 does not verify whether a NETLINK message originates from kernel space, which allows local users to gain privileges by sen
udev before 1.4.1 does not verify whether a NETLINK message originates from kernel space, which allows local users to gain privileges by sending a NETLINK message from user space.
- Published
- Apr 17, 2009
- Updated
- Jun 16, 2026
- EPSS
- 80.4% · 100th percentile
- CWE
- CWE-346
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Report tools
Action score
52
Plan
Add it to your regular patch cycle.
- CVSS
- 28 / 40 · 7.2 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 24 / 30 · 80.4%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| udev project | udev | cpe:2.3:a:udev_project:udev |
| suse | linux enterprise debuginfo | cpe:2.3:a:suse:linux_enterprise_debuginfo |
| opensuse | opensuse | cpe:2.3:o:opensuse:opensuse |
| suse | linux enterprise desktop | cpe:2.3:o:suse:linux_enterprise_desktop |
| suse | linux enterprise server | cpe:2.3:o:suse:linux_enterprise_server |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| fedoraproject | fedora | cpe:2.3:o:fedoraproject:fedora |
| juniper | ctpview | cpe:2.3:a:juniper:ctpview |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- canonical ubuntu linux6.06
- canonical ubuntu linux7.10
- canonical ubuntu linux8.04
- canonical ubuntu linux8.10
- debian debian linux4.0
- debian debian linux5.0
- fedoraproject fedora10
- fedoraproject fedora9
- juniper ctpviewbefore 7.1
- juniper ctpview7.1
- juniper ctpview7.2
- opensuse opensuse10.3
- opensuse opensuse11.0
- opensuse opensuse11.1
- suse linux enterprise debuginfo10
- suse linux enterprise debuginfo11
- suse linux enterprise desktop10
- suse linux enterprise desktop11
- suse linux enterprise server10
- suse linux enterprise server11
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:4.0 | udev | before 0.105-4etch1 | 0.105-4etch1 |
| Debian:5.0 | udev | before 0.125-7+lenny1 | 0.125-7+lenny1 |
| Red Hat:enterprise_linux:5::client | libvolume_id | before 0:095-14.20.el5_3 | 0:095-14.20.el5_3 |
| Red Hat:enterprise_linux:5::client_workstation | libvolume_id-devel | before 0:095-14.20.el5_3 | 0:095-14.20.el5_3 |
| Red Hat:enterprise_linux:5::client_workstation | udev | before 0:095-14.20.el5_3 | 0:095-14.20.el5_3 |
| Red Hat:enterprise_linux:5::client_workstation | udev-debuginfo | before 0:095-14.20.el5_3 | 0:095-14.20.el5_3 |
Same product
udev project: all recordsOther highest-scoring records for the same primary product.
- CVE-2011-0640The default configuration of udev on Linux does not warn the user before enabling additional Human Interface Device (HID) functionality over27Monitor
- CVE-2009-1186Buffer overflow in the util_path_encode function in udev/lib/libudev-util.c in udev before 1.4.1 allows local users to cause a denial of ser8Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:udev | 0.105-4etch1 · Debian:4.0 | Package registry (OSV) |
| red hat:libvolume_id | 0:095-14.20.el5_3 · Red Hat:enterprise_linux:5::client | Package registry (OSV) |
| red hat:libvolume_id-devel | 0:095-14.20.el5_3 · Red Hat:enterprise_linux:5::client_workstation | Package registry (OSV) |
| red hat:udev | 0:095-14.20.el5_3 · Red Hat:enterprise_linux:5::client_workstation | Package registry (OSV) |
| red hat:udev-debuginfo | 0:095-14.20.el5_3 · Red Hat:enterprise_linux:5::client_workstation | Package registry (OSV) |
Exploit status
Weaponized
A ready exploit tool or active in-the-wild use is known for this vulnerability. This should be your top priority.
Evidence
- Metasploit module ×1
- Exploit-DB entry ×3
- Proof-of-concept repository on GitHub ×2
Noroxi does not host or link to exploit code. Metasploit module names and Nuclei template ids are shown (names, not code); Exploit-DB entries and PoC repositories are given as counts only.
| Source | Kind | Date |
|---|---|---|
| Exploit-DB entry | local | 2009-04-20 |
| Exploit-DB entry | local | 2009-04-30 |
| Exploit-DB entry | local | 2012-10-10 |
| Metasploit module | exploit/linux/local/udev_netlinkLinux udev Netlink Local Privilege Escalationexploit | 2009-04-16 |
| Proof-of-concept repository on GitHub | stars:0 | 2026-08-22 |
| Proof-of-concept repository on GitHub | stars:0 | 2026-09-07 |
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
- Metasploit-1 d
- Published
- First PoC+3 d
- TodayOct 7, 2026+6382 d
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- C · data can be read
- Integrity
- C · data or configuration can be modified
- Availability
- C · the service can be disrupted
- Attack complexity
- Low
- Confidentiality impact
- C
- Integrity impact
- C
- Availability impact
- C
Weakness class (CWE)
CWE-346 · Origin Validation ErrorCVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
Attack patterns (CAPEC)
- JSON Hijacking (aka JavaScript Hijacking)CAPEC-111likelihood: High · High
- Cache PoisoningCAPEC-141likelihood: High · High
- DNS Cache PoisoningCAPEC-142likelihood: High · High
- Exploit Script-Based APIsCAPEC-160Medium
- Exploitation of Trusted IdentifiersCAPEC-21likelihood: High · High
- Application API Message Manipulation via Man-in-the-MiddleCAPEC-384Low
- Transaction or Event Tampering via Application API ManipulationCAPEC-385Medium
- Application API Navigation RemappingCAPEC-386Medium
ATT&CK techniques
- Access Token ManipulationT1134
- Access Token Manipulation:Token Impersonation/TheftT1134.001
- Steal Application Access TokenT1528
- Steal Web Session CookieT1539
- Use Alternate Authentication Material:Web Session CookieT1550.004
- Adversary-in-the-Middle: ARP Cache PoisoningT1557.002
- Compromise Infrastructure: DNS ServerT1584.002
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- git.kernel.org/?p=linux/hotplug/udev.git%3Ba=commitdiff%3Bh=e2b362d9f23d4c63018709ab5f81a02f72b91e75
- git.kernel.org/?p=linux/hotplug/udev.git%3Ba=commitdiff%3Bh=e86a923d508c2aed371cdd958ce82489cf2ab615
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10691
- kb.juniper.net/InfoCenter/index?page=content&id=JSA10705
- lists.opensuse.org/opensuse-security-announce/2009-04/msg00006.html
- lists.opensuse.org/opensuse-security-announce/2009-04/msg00012.html
- lists.vmware.com/pipermail/security-announce/2009/000060.html
- secunia.com/advisories/34731
- secunia.com/advisories/34750
- secunia.com/advisories/34753
- secunia.com/advisories/34771
- secunia.com/advisories/34776
- secunia.com/advisories/34785
- secunia.com/advisories/34787
- secunia.com/advisories/34801
- secunia.com/advisories/35766
- slackware.com/security/viewer.php?l=slackware-security&y=2009&m=slackware-security.446399
- wiki.rpath.com/Advisories:rPSA-2009-0063
- wiki.rpath.com/wiki/Advisories:rPSA-2009-0063
- www.debian.org/security/2009/dsa-1772
Vendor advisories and official records. Exploit/PoC links are deliberately left out.