CVE-2015-8569

Severity: low (CVSS 2.3 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2015-12-28 · updated 2026-06-17
Weakness: CWE-200

Description

The (1) pptp_bind and (2) pptp_connect functions in drivers/net/ppp/pptp.c in the Linux kernel through 4.3.3 do not verify an address length, which allows local users to obtain sensitive information from kernel memory and bypass the KASLR protection mechanism via a crafted application.

Affected products

Linux kernel: through 4.3.2

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=09ccfd238e5a0e670d8178cf50180ea81ae09ae1
http://lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00094.html
http://lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html
http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html
http://twitter.com/grsecurity/statuses/676744240802750464
http://www.debian.org/security/2016/dsa-3434
http://www.openwall.com/lists/oss-security/2015/12/15/11
http://www.securityfocus.com/bid/79428
http://www.securitytracker.com/id/1034549
http://www.ubuntu.com/usn/USN-2886-1
http://www.ubuntu.com/usn/USN-2888-1

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