CVE-2015-2042

Severity: medium (CVSS 4.6 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-04-21 · updated 2026-06-17
Weakness: CWE-17

Description

net/rds/sysctl.c in the Linux kernel before 3.19 uses an incorrect data type in a sysctl table, which allows local users to obtain potentially sensitive information from kernel memory or possibly have unspecified other impact by accessing a sysctl entry.

Affected products

Linux kernel: through 3.18.7

References

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=db27ebb111e9f69efece08e4cb6a34ff980f8896
http://lists.opensuse.org/opensuse-security-announce/2015-09/msg00004.html
http://www.debian.org/security/2015/dsa-3237
http://www.openwall.com/lists/oss-security/2015/02/20/20
http://www.securityfocus.com/bid/72730
http://www.ubuntu.com/usn/USN-2560-1
http://www.ubuntu.com/usn/USN-2561-1
http://www.ubuntu.com/usn/USN-2562-1
http://www.ubuntu.com/usn/USN-2563-1
http://www.ubuntu.com/usn/USN-2564-1
http://www.ubuntu.com/usn/USN-2565-1
https://bugzilla.redhat.com/show_bug.cgi?id=1195355

Get alerted when CVE-2015-2042 or the next vulnerability affects your stack