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CVE-2005-0839

18
FAUCET Score

CVE-2005-0839 describes a privilege escalation vulnerability in the Linux kernel versions prior to 2.6.11. This flaw allows local users to inject mouse or keyboard events into other user sessions due to unrestricted access to the N_MOUSE line discipline for a TTY. With a CVSS score of 7.2 (AV:L/AC:L/Au:N/C:C/I:C/A:C), it indicates high impact on confidentiality, integrity, and availability, requiring local access and low attack complexity. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not currently a high-profile threat.

Impacted Technologies

VendorProductVersion(s)CPE
2.6.0CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.0:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:*:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:rc1:*:*:*:*:*:*
2.6.1CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.1:rc2:*:*:*:*:*:*
2.6.2CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:2.6.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.2HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Exploitability Score
3.9
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.9%
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 38th percentile among its peer group of 3,241 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, 0.1 Bluesky, 0.0 Mastodon, and 0.5 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 (1)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-5.0.5.EL
View patch

Vendor Advisories (1)

redhatCVE-2005-0839Important

security flaw

Jan 28, 2005

References

linux.bkbits.net / linux-2.6/cset%4041fa6464E1UuGu6zmketEYxm73KSyQ
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9460
mail-archive.com / linux-kernel%40vger.kernel.org/msg64704.html
redhat.com / support/errata/RHSA-2005-366.html
securityfocus.com / archive/1/427980/100/0/threaded