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CVE-2010-4075

14
FAUCET Score

CVE-2010-4075 is a Linux kernel vulnerability affecting versions before 2.6.37-rc1, where the uart_get_count function in serial_core.c fails to properly initialize a structure member. This allows local users to potentially extract sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call. The vulnerability has a low CVSS score of 1.9 (AV:L/AC:M/Au:N/C:P/I:N/A:N), indicating local access, medium attack complexity, and a partial impact on confidentiality. There is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting it is not a high-priority threat.

Impacted Technologies

VendorProductVersion(s)CPE
< 2.6.37CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

1.9LOW

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

Confidentiality Impact
PARTIAL
Integrity Impact
NONE
Availability Impact
NONE
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
3.4
Impact Score
2.9
CvssVersion
2.0

Exploit Intelligence

EPSS Score
0.39%
Probability of exploitation in next 30 days
EPSS Percentile
31.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0039 is in the 72nd percentile among its peer group of 747 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 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 (5)

redhatpatch availablevia nvd_reference
View patch
redhatpatch availablevia redhat_api
Product: MRG for RHEL-5Fixed in: kernel-rt-0:2.6.33.7-rt29.47.el5rt
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: kernel-0:2.6.9-89.35.1.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel-0:2.6.18-238.el5
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: kernel-0:2.6.32-71.14.1.el6
View patch

Vendor Advisories (1)

redhatCVE-2010-4075Low

kernel: drivers/serial/serial_core.c: reading uninitialized stack memory

Sep 15, 2010

References

git.kernel.org
lkml.indiana.edu / hypermail//linux/kernel/1009.1/03388.html
Mailing ListPatchThird Party Advisory
bugzilla.redhat.com / show_bug.cgi
Issue TrackingPatchThird Party Advisory
secunia.com / advisories/42884
Third Party Advisory
secunia.com / advisories/42890
Third Party Advisory
secunia.com / advisories/42963
Third Party Advisory
secunia.com / advisories/46397
Third Party Advisory
kernel.org / pub/linux/kernel/v2.6/testing/ChangeLog-2.6.37-rc1
Broken LinkThird Party Advisory
openwall.com / lists/oss-security/2010/09/25/2
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2010/10/06/6
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2010/10/07/1
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2010/10/25/3
Mailing ListPatchThird Party Advisory
redhat.com / support/errata/RHSA-2010-0958.html
Third Party Advisory
redhat.com / support/errata/RHSA-2011-0007.html
Third Party Advisory
redhat.com / support/errata/RHSA-2011-0017.html
Third Party Advisory
redhat.com / support/errata/RHSA-2011-0162.html
Third Party Advisory
securityfocus.com / archive/1/520102/100/0/threaded
Third Party AdvisoryVDB Entry
securityfocus.com / bid/43806
Third Party AdvisoryVDB Entry
vmware.com / security/advisories/VMSA-2011-0012.html
Third Party Advisory
vupen.com / english/advisories/2011/0168
Third Party Advisory