CVE-2015-8569
Published: December 28, 2015Last modified: April 24, 2024
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.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 2.3 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | HIGH |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | LOW |
| Integrity impact | NONE |
| Availability impact | NONE |
| Vector | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | Stream | linux-lts | Not affected (6.1.33-r0) |
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