CVE-2016-9756: linux linux_kernel
Vulnerability summary
CVE-2016-9756 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 0.46% chance of exploitation in the next 30 days, higher than 40.1% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 14 · Related 10Timeline
- 28-12-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
arch/x86/kvm/emulate.c in the Linux kernel before 4.8.12 does not properly initialize Code Segment (CS) in certain error cases, which allows local users to obtain sensitive information from kernel stack memory via a crafted application.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.46%
Chance of exploitation in the next 30 days
Percentile
40%
Versus all other CVEs
30-day change
Increase +0.02 pp
From 0.44% on 05-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu4 products
- linux< 3.13.0-107.154 | < 4.4.0-59.80
- linux-aws< 4.4.0-1003.12
- linux-lts-vivid< 3.19.0-79.87~14.04.1
- linux-lts-xenial< 4.4.0-59.80~14.04.1
Debian1 product
- linux< 4.8.15-1
Linux1 product
- linux_kernel≤ 4.8.11
3 vendors · 6 products
References
17 links- github.com/torvalds/linux/commit/2117d5398c81554fbf803f5fd1dc55eb78216c0cX Refsource CONFIRMPatchVendor Advisory
