What is CVE-2010-4077?

CVE-2010-4077 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10, classified as a Information Exposure flaw (CWE-200). CVE-2010-4077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2010-4077?

CVE-2010-4077 has a CVSS score of 1.9 out of 10, rated Low severity. The vector string is AV:L/AC:M/Au:N/C:P/I:N/A:N.

Is there a patch available for CVE-2010-4077?

No patch is currently available for CVE-2010-4077. Monitor the NIST NVD and your Linux distribution's security advisories for updates.

Is CVE-2010-4077 actively exploited?

CVE-2010-4077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. See MITRE CWE for full details: https://cwe.mitre.org/data/definitions/200.html

CVE-2010-4077

Low

The ntty_ioctl_tiocgicount function in drivers/char/nozomi.c in the Linux kernel 2.6.36.1 and earlier does not properly initialize a certain structure member, which allows local users to obtain potentially sensitive information from kernel stack memory via a TIOCGICOUNT ioctl call.

Package Linux Kernel

Published 2010-11-29

Last modified 2026-04-29

CVSS version 2.0

Patch available

Awaiting data

CVSS 2.0 score

1.9

out of 10

Low

Attack Vector

Local

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

None

Availability

None

Vector string

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

Weakness type

CWE-200

CVE-2010-4077 is a Information Exposure vulnerability

What is Information Exposure?

The product exposes sensitive information to an actor not authorised to see it. Learn more on MITRE CWE

References

The following references provide additional information about CVE-2010-4077 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Secunia
http://secunia.com/advisories/42890

Third Party Advisory
Securityreason
http://securityreason.com/securityalert/8129

Exploit Third Party Advisory
Openwall
http://www.openwall.com/lists/oss-security/2010/10/06/6

Mailing List Third Party Advisory
Red Hat
http://www.redhat.com/support/errata/RHSA-2010-0958.html

Third Party Advisory
Red Hat
http://www.redhat.com/support/errata/RHSA-2011-0007.html

Third Party Advisory
Securityfocus
http://www.securityfocus.com/bid/45059

Third Party Advisory VDB Entry
Kernel patch commit
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=d281da7ff6f70efca0553c288bb883e8605b3862
Patch
Kernel patch commit
http://lkml.indiana.edu/hypermail//linux/kernel/1009.1/03387.html
Patch
Kernel patch commit
http://www.openwall.com/lists/oss-security/2010/09/25/2
Patch

6 patch commits total View all on NVD

Details

CVE ID CVE-2010-4077

Severity Low

CVSS score 1.9 / 10

CVSS version 2.0

Published 2010-11-29

Modified 2026-04-29

KEV No

Patch Awaiting data

Package linux

Frequently asked questions

What is CVE-2010-4077?

CVE-2010-4077 is a Low severity Linux kernel vulnerability with a CVSS score of 1.9 out of 10 , classified as an Information Exposure flaw (CWE-200) . CVE-2010-4077 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2010-4077?

CVE-2010-4077 has a CVSS score of 1.9 out of 10, rated Low severity (CVSS 2.0). The vector string is AV:L/AC:M/Au:N/C:P/I:N/A:N.
Is there a patch available for CVE-2010-4077?

No patch is currently available for CVE-2010-4077. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
Is CVE-2010-4077 actively exploited?

No — CVE-2010-4077 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
What is Information Exposure (CWE-200)?

The product exposes sensitive information to an actor not authorised to see it. View CWE-200 on MITRE CWE →