CVE-2018-6412

high
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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.

References

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=250c6c49e3b68756b14983c076183568636e2bde

https://github.com/torvalds/linux/commit/250c6c49e3b68756b14983c076183568636e2bde

https://marc.info/?l=linux-fbdev&m=151734425901499&w=2

Details

Source: MITRE

Published: 2018-01-31

Updated: 2019-03-20

Type: CWE-200

Risk Information

CVSS v2

Base Score: 5

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Impact Score: 2.9

Exploitability Score: 10

Severity: MEDIUM

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Impact Score: 3.6

Exploitability Score: 3.9

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to 4.15 (inclusive)

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
131845EulerOS 2.0 SP2 : kernel (EulerOS-SA-2019-2353)NessusHuawei Local Security Checks
critical
130736EulerOS 2.0 SP3 : kernel (EulerOS-SA-2019-2274)NessusHuawei Local Security Checks
critical
124984EulerOS Virtualization for ARM 64 3.0.1.0 : kernel (EulerOS-SA-2019-1531)NessusHuawei Local Security Checks
high