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HIGH · CVSS 7.8 CISA Known Exploited Vulnerability

CVE-2010-3904

Linux Kernel Improper Input Validation Vulnerability

Linux Kernel

The rds_page_copy_user function in net/rds/page.c in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel before 2.6.36 does not properly validate addresses obtained from user space, which allows local users to gain privileges via crafted use of the sendmsg and recvmsg system calls.

CVSS
7.8
HIGH
EPSS
15.9%
30-day exploitation
Ransomware groups
0
recorded exploiting
Published
6 Dec 2010
CWE-1284

Exploitation status

CISA Known Exploited Vulnerabilities

Listed by CISA on 12 May 2023. US federal agencies were required to remediate it by 2 June 2023.

EPSS — exploitation probability

FIRST puts the probability of exploitation activity in the next 30 days at 15.9%, which is higher than 96.9% of all scored vulnerabilities. EPSS is a forecast of activity, not a measure of severity, and it is rescored daily.

CVSS vector

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

Frequently asked questions

Is CVE-2010-3904 being exploited by ransomware groups?

No ransomware group in this database is currently recorded as exploiting CVE-2010-3904.

What does CVE-2010-3904 affect?

CVE-2010-3904 affects Linux Kernel. The rds_page_copy_user function in net/rds/page.c in the Reliable Datagram Sockets (RDS) protocol implementation in the Linux kernel before 2.6.36 does not properly validate addresses obtained from user space, which allows local users to gain privileges via crafted use of the sendmsg and recvmsg system calls.

How severe is CVE-2010-3904?

CVE-2010-3904 is rated HIGH with a CVSS base score of 7.8. EPSS puts the probability of exploitation in the next 30 days at 15.9%, higher than 96.9% of all scored vulnerabilities. It is listed in the CISA Known Exploited Vulnerabilities catalog, with a federal remediation deadline of 2 June 2023.

How should organisations respond to CVE-2010-3904?

Apply the vendor patch for Linux Kernel as the first priority, and treat any internet-facing instance as the most urgent. Because this vulnerability is associated with ransomware activity, also review whether the affected systems were reachable before patching, rather than assuming that patching alone closes the incident.