5.1

CVE-2026-98227: linux

CVSS: 5.1v4.0MediumReceived
AliasesUBUNTU-CVE-2026-98227DEBIAN-CVE-2026-98227
Published 06-10-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2026-98227 is a medium (CVSS 5.1) vulnerability in linux. EPSS estimates a 0.18% chance of exploitation in the next 30 days, higher than 7.1% of scored vulnerabilities.

Overall risk
20/100
0100
Low · default modelHow is this calculated?
CVSS score
5.1/10
010
Medium · v4.0 (OSV · Ubuntu), selected by version preference
EPSS score
0.18%
0%100%
Low · Change unavailable
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
OPENSUSE-SU-2026:12131-1

Timeline

  1. 06-10-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: memstick: ms_block: destroy io_queue workqueue on removal msb_init_disk() creates the per-card ordered workqueue msb->io_queue with alloc_ordered_workqueue(). It is torn down with destroy_workqueue() only on the init error path; msb_remove() never destroys it. msb_stop() merely flushes the queue, and neither msb_data_clear() nor put_disk() free it. As a result every card insert/remove cycle leaks the workqueue and its kworker, exhausting kernel memory over repeated cycles. Destroy the workqueue in msb_remove() after the disk has been removed and the queue drained.

CVSS metrics

1 score · 1 source · 1 version

EPSS trend

Probability

0.18%

Chance of exploitation in the next 30 days

Percentile

7%

Versus all other CVEs

30-day change

Change unavailable

Change unavailable

06-10-202621-10-2026
EPSS score
0.18%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Ubuntu169 products
  • linuxAll versions (No fix recorded)
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded)
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linuxAll versions (No fix recorded) | < 6.1.190-1 | < 6.12.113-1 | < 7.2.8-1
Linux1 product
  • linux≥ 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63, < 0ff795163f37109a134b5a421558530f8d091544 | ≥ 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63, < 19c3da6621a253f1f8b937ed91bc22330a930d9c | ≥ 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63, < 9a2e7cdc0880e735aff0968ee402f2c92a992b9b | ≥ 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63, < 6611f78ec3fd4b33a00bfda20725b254a22979f6 | ≥ 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63, < f222bb8c30cf5699c560b29179ff2bddcac1f950 | ≥ 0ab30494bc4f3bc1ea4659b7c5d97c5218554a63, < 90af7fde083e1b22c349c3a8b1626728e44e474c | 3.12

3 vendors · 171 products

References

10 links