CVE-2015-8569: linux linux_kernel
Vulnerability summary
CVE-2015-8569 is a low (CVSS 2.3) vulnerability in linux linux_kernel. EPSS estimates a 0.48% chance of exploitation in the next 30 days, higher than 41.8% of scored vulnerabilities.
Not severe (CVSS 2.3, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 11 · Related 10Timeline
- 28-12-2015PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
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 metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated2.3LowCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
- OSV · DebianEcosystem advisory · calculated2.3LowCVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N
EPSS trend
Probability
0.48%
Chance of exploitation in the next 30 days
Percentile
42%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, administrative account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu21 products
- linux< 3.13.0-79.123
- linux-azureAll versions (No fix recorded)
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
- linux-azure-fde-5.15All versions (No fix recorded)
Debian1 product
- linux< 4.3.3-3
Linux1 product
- linux_kernel≤ 4.3.2
3 vendors · 23 products
References
32 links- git.kernel.org/cgit/…X Refsource CONFIRM
- twitter.com/grsecurity/statuses/676744240802750464X Refsource MISC
- lists.fedoraproject.org/pipermail/package-announce/2016-February/176484.htmlVendor AdvisoryX Refsource FEDORA
Show all 32 references
- github.com/torvalds/linux/commit/09ccfd238e5a0e670d8178cf50180ea81ae09ae1X Refsource CONFIRM
- bugzilla.redhat.com/show_bug.cgi?id=1292045X Refsource CONFIRM