CVE-2015-8569
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…
Does this matter?
Lower severity and a low EPSS score (0.48%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.0
- 2.3 LOWCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- EPSS
- 0.48% probability · 40th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-200
- Affected
- linux/linux kernel
- Source
- security@opentext.com
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
- http://www.ubuntu.com/usn/USN-2890-1
- http://www.ubuntu.com/usn/USN-2890-2
- http://www.ubuntu.com/usn/USN-2890-3
- https://bugzilla.redhat.com/show_bug.cgi?id=1292045
- https://github.com/torvalds/linux/commit/09ccfd238e5a0e670d8178cf50180ea81ae09ae1
- https://lkml.org/lkml/2015/12/14/252
- 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
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.