CVE-2017-6348

MEDIUM

Linux Kernel < 4.9.12 - Denial of Service

Title source: rule

Description

The hashbin_delete function in net/irda/irqueue.c in the Linux kernel before 4.9.13 improperly manages lock dropping, which allows local users to cause a denial of service (deadlock) via crafted operations on IrDA devices.

References (7)

[Patch] http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4c03b862b12f980456f9de92db6d508a4999b788

[Patch, Release Notes] http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.13

[Mailing List, Patch, Third Party Advisory] http://www.openwall.com/lists/oss-security/2017/02/28/4

[Patch] https://github.com/torvalds/linux/commit/4c03b862b12f980456f9de92db6d508a4999b788

View Patch ZIP pw:eip

[Vendor Advisory] https://usn.ubuntu.com/3754-1/

[Third Party Advisory, VDB Entry] http://www.securityfocus.com/bid/96483

[Third Party Advisory] http://www.debian.org/security/2017/dsa-3804

Scores

CVSS v3 5.5

EPSS 0.0008

EPSS Percentile 23.8%

Attack Vector LOCAL

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

Classification

Status published

Affected Products (2)

linux/linux_kernel < 4.9.12

n/a/n/a

Timeline

Published Mar 01, 2017

Tracked Since Feb 18, 2026