CVE-2010-2243

Name: CVE-2010-2243
Creator: NVD / NIST
Published: 2019-11-07T17:15:12.753+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 2.50%

Last modified Jun 16, 2026

CVE-2010-2243 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. A vulnerability exists in kernel/time/clocksource.c in the Linux kernel before 2.6.34 where on non-GENERIC_TIME systems (GENERIC_TIME=n), accessing /sys/devices/system/clocksource/clocksource0/current_clocksource results in an OOPS.. EPSS estimates a 2.50% chance of exploitation in the next 30 days.

Description

A vulnerability exists in kernel/time/clocksource.c in the Linux kernel before 2.6.34 where on non-GENERIC_TIME systems (GENERIC_TIME=n), accessing /sys/devices/system/clocksource/clocksource0/current_clocksource results in an OOPS.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

2.50%

82.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Linux	Linux Kernel	< 2.6.33

References

https://access.redhat.com/security/cve/cve-2010-2243Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ad6759fbf35d104dbf573cd6f4c6784ad6823f7eMailing List, Patch, Vendor Advisory
https://security-tracker.debian.org/tracker/CVE-2010-2243Third Party Advisory
https://www.openwall.com/lists/oss-security/2010/06/25/1Mailing List, Patch, Third Party Advisory
https://access.redhat.com/security/cve/cve-2010-2243Third Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ad6759fbf35d104dbf573cd6f4c6784ad6823f7eMailing List, Patch, Vendor Advisory
https://security-tracker.debian.org/tracker/CVE-2010-2243Third Party Advisory
https://www.openwall.com/lists/oss-security/2010/06/25/1Mailing List, Patch, Third Party Advisory

Timeline

Published: Nov 7, 2019
Last Modified: Jun 16, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2010-2243?

How severe is CVE-2010-2243?

CVE-2010-2243 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 2.50% probability of exploitation in the next 30 days.

How do I fix CVE-2010-2243?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2010-2243?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST