CVE-2016-6156: linux linux_kernel
Vulnerability summary
CVE-2016-6156 is a medium (CVSS 5.1) vulnerability in linux linux_kernel. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.8% of scored vulnerabilities.
Not severe (CVSS 5.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 4 · Related 4Timeline
- 06-08-2016PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Race condition in the ec_device_ioctl_xcmd function in drivers/platform/chrome/cros_ec_dev.c in the Linux kernel before 4.7 allows local users to cause a denial of service (out-of-bounds array access) by changing a certain size value, aka a "double fetch" vulnerability.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.1MediumCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.1MediumCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% 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, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu4 products
- linux< 4.4.0-38.57
- linux-lts-xenial< 4.4.0-38.57~14.04.1
- linux-raspi2< 4.4.0-1023.29
- linux-snapdragon< 4.4.0-1026.29
Debian1 product
- linux< 4.7.2-1
Linux1 product
- linux_kernel≤ 4.6.6
3 vendors · 6 products
References
13 links- github.com/torvalds/linux/commit/096cdc6f52225835ff503f987a0d68ef770bb78eX Refsource CONFIRMIssue TrackingPatch