7.5

CVE-2018-6412: linux linux_kernel

Modified
AliasesUBUNTU-CVE-2018-6412DEBIAN-CVE-2018-6412
Published 31-01-2018Last modified 05-08-2024

Vulnerability summary

CVE-2018-6412 is a high (CVSS 7.5) vulnerability in linux linux_kernel. EPSS estimates a 2.33% chance of exploitation in the next 30 days, higher than 83.5% of scored vulnerabilities.

Priority
Prioritisesevere

Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 2% (FIRST, 03-11-2026)

Source freshness unavailable

How is this decided?
CVSS score
7.5/10
010
High · v3.0 (NVD)
EPSS score
2.33%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 4
DLA-1423-1MGASA-2018-0296MGASA-2018-0340MGASA-2018-0341

Timeline

  1. 31-01-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In the function sbusfb_ioctl_helper() in drivers/video/fbdev/sbuslib.c in the Linux kernel through 4.15, an integer signedness error allows arbitrary information leakage for the FBIOPUTCMAP_SPARC and FBIOGETCMAP_SPARC commands.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

2.33%

Chance of exploitation in the next 30 days

Percentile

84%

Versus all other CVEs

30-day change

No change 0.00 pp

From 2.33% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu8 products
  • linux-azure-fdeAll versions (No fix recorded)
  • linux-fips< 4.4.0-1008.10
  • linux-gkeAll versions (No fix recorded)
  • linux-intel-iot-realtimeAll versions (No fix recorded)
  • linux-raspi-realtimeAll versions (No fix recorded)
Debian1 product
  • linux< 4.16.5-1
Linux1 product

3 vendors · 10 products

References

6 links