How severe is CVE-2010-4077?

CVE-2010-4077 has a CVSS 2.0 base score of 1.9, rated low severity.

Is CVE-2010-4077 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-4077?

CVE-2010-4077 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2010-4077?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-4077 published?

CVE-2010-4077 was published on 2010-11-29 and last updated on 2026-06-16.

CVE-2010-4077

CVE-2010-4077 is a low-severity vulnerability in Linux Linux Kernel with a CVSS 2.0 base score of 1.9. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-200.

Key facts

Severity: Low (CVSS 2.0 base score 1.9)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Linux Linux Kernel
Published: 2010-11-29
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2010-4077?: 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.
How severe is CVE-2010-4077?: CVE-2010-4077 has a CVSS 2.0 base score of 1.9, rated low severity.
Is CVE-2010-4077 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2010-4077?: CVE-2010-4077 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2010-4077?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2010-4077 published?: CVE-2010-4077 was published on 2010-11-29 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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