PT-2019-6537 · Linux · Linux Kernel

Aaro Koskinen · Published 2019-11-07 · Updated 2019-11-22 · CVE-2010-2243

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 2.6.34

Description A vulnerability exists in the Linux kernel where accessing the /sys/devices/system/clocksource/clocksource0/current clocksource endpoint on non-GENERIC TIME systems (GENERIC TIME=n) results in an OOPS.

Recommendations For Linux kernel versions prior to 2.6.34, update to version 2.6.34 or later to resolve the issue. As a temporary workaround, consider restricting access to the /sys/devices/system/clocksource/clocksource0/current clocksource endpoint to minimize the risk of exploitation.

Fix

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2010-2243

Affected Products

Linux Kernel

References · 6

• https://openwall.com/lists/oss-security/2010/06/25/1 · Patch
• https://nvd.nist.gov/vuln/detail/CVE-2010-2243 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2010-2243 · Vendor Advisory
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ad6759fbf35d104dbf573cd6f4c6784ad6823f7e · Vendor Advisory
• https://access.redhat.com/security/cve/cve-2010-2243 · Note
• https://t.me/cibsecurity/7977 · Telegram Post