High

CVE-2026-68091 — HID: wacom: stop hardware after post-start probe failures

In the Linux kernel, the following vulnerability has been resolved: HID: wacom: stop hardware after post-start probe failures wacom_parse_and_register() starts HID hardware before registering inputs and initializing pad LEDs/remotes. Those later steps can fail, but their error paths currently release Wacom resources without stopping the HID hardware. Route post-hid_hw_start() failures through hid_hw_stop() before releasing driver resources. This issue was identified during our ongoing static-analysis research while reviewing kernel code.

Published Aug 10, 2026 · Updated Oct 15, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP · CNA: Linux

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

Technical severity (high)+6

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

—

No EPSS score.

Affects

Linux

CVSS base

8.8

High · 2 source(s)

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

No fix documented by the sources we poll. That does not mean none exists: check the vendor advisory.

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Linux Linux).
No fix documented in the sources: reduce exposure and monitor the vendor advisory.
Search available logs for exploit probes, errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Linux	Linux	version dbaca8fa9ec2c5aa55ec515686ce3b9007554eabversion 6.8≥ 6.7.6 and < 6.8≥ 5.4.269 and < 5.5≥ 4.19.307 and < 4.20≥ 6.6.18 and < 6.6.145≥ 6.1.79 and < 6.1.178≥ 5.15.149 and < 5.15.212 and 11 more ≥ 5.10.210 and < 5.10.261version 79187e8099a9feb550916dbfb962497522022b6d≥ f304eb483393f135ab479d02da6f5dc7d9b51cd6 and < 5a7ca028facf04921b2c1c2e4d1ee7f282510555version d943536197c1a05e377452af4ec7942e11d018f4≥ c1d6708bf0d3dd976460d435373cf5abf21ce258 and < ec2612b8ad9e642596db011dd8b6568ef1edeaa1≥ c1d6708bf0d3dd976460d435373cf5abf21ce258 and < e2cc711a9df37f359159b21db56cea9c21f58a9c≥ c1d6708bf0d3dd976460d435373cf5abf21ce258 and < 416095e9a6037b4b39fcadd0d2bd77a8852211ec≥ c1d6708bf0d3dd976460d435373cf5abf21ce258 and < 75eb2173b63ab41c24d80cd641af18f3c117a267≥ fc41101a94b11cd0d5ad8e213b2b6965f248d653 and < 1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3≥ e5c6c8ef3e4d3a88407404daafbf2c6be62f2185 and < 46d8b8c85ae0589fb85746a64e8908160e52aac3≥ 853307924a9003b3142b5253b1caa6625fbad9fc and < 3e6473a4f0596182acdda5219b4bebfbee76514f	Vulnerable	CVE Program (cve.org) e CISA ADP

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Adjacent

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
8.8	CVSS 3.1	High	2.8	5.9	416baaa9-dc9f-4396-8d5f-8c081fb06d67 via NIST National Vulnerability Database
8.8	CVSS 3.1	High	—	—	Linux via CVE Program (cve.org) e CISA ADP

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H (score shown at the top: 416baaa9-dc9f-4396-8d5f-8c081fb06d67)

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Not enough vector or weakness data: use the affected application’s logs as a starting point.

application logs

Timeline

What happened to this CVE, newest first.

2026
Affected products added · linux/linux
Oct 15, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 15, 2026
CVSS changed · 8.8
Oct 15, 2026 · NIST National Vulnerability Database
Source status changed · → Received
Oct 15, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 15, 2026 · NIST National Vulnerability Database
CVE published
Aug 10, 2026 · Linux

Source activity

Repeated readings are counted rather than listed.

1× Official description updated · Oct 15, 2026 – Oct 15, 2026

References

8 on the record

git.kernel.org/stable/c/75eb2173b63ab41c24d80cd641af18f3c117a267
NIST National Vulnerability Database
git.kernel.org/stable/c/46d8b8c85ae0589fb85746a64e8908160e52aac3
NIST National Vulnerability Database
git.kernel.org/stable/c/416095e9a6037b4b39fcadd0d2bd77a8852211ec
NIST National Vulnerability Database
git.kernel.org/stable/c/e2cc711a9df37f359159b21db56cea9c21f58a9c
NIST National Vulnerability Database
git.kernel.org/stable/c/ec2612b8ad9e642596db011dd8b6568ef1edeaa1
NIST National Vulnerability Database
git.kernel.org/stable/c/3e6473a4f0596182acdda5219b4bebfbee76514f
NIST National Vulnerability Database
git.kernel.org/stable/c/1a1ebdcb56ae58a0ee2c54dd15d75121e30424e3
NIST National Vulnerability Database
git.kernel.org/stable/c/5a7ca028facf04921b2c1c2e4d1ee7f282510555
NIST National Vulnerability Database

Elsewhere on this site

Linux
every CVE for this vendor

Related CVEs (same products)

Critical CVE-2026-99999 ipv4: validate checksum_start before completing checksum 11h
Unknown CVE-2026-98432 ipv4: free inet_opt and ireq_opt after an RCU grace period 11h
Unknown CVE-2026-98424 wifi: cfg80211: undo netns switch if renaming the wiphy fails 1d
Unknown CVE-2026-98425 wifi: mac80211: don't warn when an IBSS has no channel to scan 1d
Unknown CVE-2026-98426 wifi: mwifiex: fix IRQ leak using wrong index in MSI-X error path 1d
Unknown CVE-2026-98427 net/sched: codel: bound the dropping loop per dequeue call 1d

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No FIRST EPSS score.
No fixed version, patch or mitigation documented.
No CISA SSVC assessment.
No CWE classification.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2026-68091 is "HID: wacom: stop hardware after post-start probe failures", rated High. It affects Linux (Linux); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 8.8 describes technical severity. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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