CVE-2018-10021: linux linux_kernel
Vulnerability summary
CVE-2018-10021 is a medium (CVSS 5.5) vulnerability in linux linux_kernel. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 39.1% 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 9 · Related 7Timeline
- 11-04-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
drivers/scsi/libsas/sas_scsi_host.c in the Linux kernel before 4.16 allows local users to cause a denial of service (ata qc leak) by triggering certain failure conditions. NOTE: a third party disputes the relevance of this report because the failure can only occur for physically proximate attackers who unplug SAS Host Bus Adapter cables
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:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
39%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.45% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu22 products
- linux< 3.13.0-157.207 | < 4.4.0-130.156 | < 4.15.0-23.25
- linux-aws< 4.4.0-1024.25 | < 4.4.0-1062.71 | < 4.15.0-1010.10
- linux-azure< 4.15.0-1013.13~16.04.2 | < 4.15.0-1013.13
- linux-azure-6.11All versions (No fix recorded)
- linux-azure-fdeAll versions (No fix recorded)
Debian1 product
- linux< 4.15.17-1
Linux1 product
- linux_kernel< 4.16
3 vendors · 24 products
References
21 links- github.com/torvalds/linux/commit/318aaf34f1179b39fa9c30fa0f3288b645beee39X Refsource MISCThird Party AdvisoryREPORT