CVE-2017-6345: linux linux_kernel Improper Input Validation
Vulnerability summary
CVE-2017-6345 is a high (CVSS 7.8) Improper Input Validation vulnerability in linux linux_kernel. EPSS estimates a 0.40% chance of exploitation in the next 30 days, higher than 34.7% of scored vulnerabilities.
Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 10 · Related 8Timeline
- 01-03-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The LLC subsystem in the Linux kernel before 4.9.13 does not ensure that a certain destructor exists in required circumstances, which allows local users to cause a denial of service (BUG_ON) or possibly have unspecified other impact via crafted system calls.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.40%
Chance of exploitation in the next 30 days
Percentile
35%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.40% 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, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu12 products
- linux< 3.13.0-157.207 | < 4.4.0-75.96
- linux-aws< 4.4.0-1016.25
- linux-azure-fdeAll versions (No fix recorded)
- linux-gke< 4.4.0-1012.12 | All versions (No fix recorded)
- linux-hwe< 4.10.0-32.36~16.04.1
Debian1 product
- linux< 4.9.13-1
Linux1 product
- linux_kernel≤ 4.9.12
3 vendors · 14 products
References
14 links- www.openwall.com/lists/oss-security/2017/02/28/7Mailing ListX Refsource MLISTPatchThird Party Advisory