7.8

CVE-2019-12456: linux linux_kernel

CVSS: 7.8v3.0HighModified
AliasesUBUNTU-CVE-2019-12456DEBIAN-CVE-2019-12456
Published 30-05-2019Last modified 04-08-2024
Open JSON

Vulnerability summary

CVE-2019-12456 is a high (CVSS 7.8) vulnerability in linux linux_kernel. EPSS estimates a 0.42% chance of exploitation in the next 30 days, higher than 35.3% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
0.42%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 12 · Related 12
OPENSUSE-SU-2019:1571-1OPENSUSE-SU-2019:1579-1SUSE-SU-2019:1823-1SUSE-SU-2019:1823-2SUSE-SU-2019:1829-1SUSE-SU-2019:1851-1

Timeline

  1. 30-05-2019
    PublishedVulnerability first disclosed.
  2. 04-08-2024
    Last modifiedVulnerability information updated.

Description

An issue was discovered in the MPT3COMMAND case in _ctl_ioctl_main in drivers/scsi/mpt3sas/mpt3sas_ctl.c in the Linux kernel through 5.1.5. It allows local users to cause a denial of service or possibly have unspecified other impact by changing the value of ioc_number between two kernel reads of that value, aka a "double fetch" vulnerability. NOTE: a third party reports that this is unexploitable because the doubly fetched value is not used

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

0.42%

Chance of exploitation in the next 30 days

Percentile

35%

Versus all other CVEs

30-day change

+0.01 pp

From 0.41% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.42%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu4 products
  • linuxAll versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-azureAll versions (No fix recorded)
  • linux-lts-xenialAll versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded)
Linux1 product

3 vendors · 6 products

References

13 links
Show all 13 references