Information disclosure in Linux Kernel
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 mechanism via a crafted application.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 2.3 (Low). Vector: CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 39.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.openwall.com/lists/oss-security/2015/12/15/11 (mailing-list)
- www.ubuntu.com/usn/USN-2886-1 (vendor-advisory)
- www.ubuntu.com/usn/USN-2890-3 (vendor-advisory)
- www.securityfocus.com/bid/79428 (vdb-entry)
- git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/
- twitter.com/grsecurity/statuses/676744240802750464
- lists.opensuse.org/opensuse-security-announce/2016-04/msg00045.html (vendor-advisory)
- lkml.org/lkml/2015/12/14/252 (mailing-list)
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.html (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2016-08/msg00038.html (vendor-advisory)
Frequently asked questions
- What is CVE-2015-8569?
- CVE-2015-8569 is a low-severity vulnerability in Linux Kernel, classified under Information Disclosure. CVSS score: 2.3/10. Published 2015-12-28.
- How severe is CVE-2015-8569?
- Low severity. CVSS v3 base score is 2.3 out of 10.
- Is CVE-2015-8569 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.