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CVE-2017-6348

21
FAUCET Score

CVE-2017-6348 describes a denial-of-service vulnerability in the Linux kernel, specifically within the hashbin_delete function in net/irda/irqueue.c, affecting versions prior to 4.9.13. This flaw allows local users to trigger a system deadlock through crafted operations on IrDA devices due to improper lock management. Rated as Medium severity (CVSS 5.5), it requires local access and low privileges, with the primary impact being system unavailability. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.9.12CPE matchmatch criteria
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.38%
Probability of exploitation in next 30 days
EPSS Percentile
30.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0038 is in the 86th percentile among its peer group of 15,938 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: kernel

Vendor Advisories (1)

redhatCVE-2017-6348Moderate

kernel: net: Improper lock dropping in the hashbin_delete function

Feb 17, 2017

References

git.kernel.org / cgit/linux/kernel/git/torvalds/linux.git/commit
Patch
github.com / torvalds/linux/commit/4c03b862b12f980456f9de92db6d508a4999b788
Patch
usn.ubuntu.com / 3754-1
debian.org / security/2017/dsa-3804
kernel.org / pub/linux/kernel/v4.x/ChangeLog-4.9.13
PatchRelease Notes
openwall.com / lists/oss-security/2017/02/28/4
Mailing ListPatchThird Party Advisory
securityfocus.com / bid/96483