5.5

CVE-2026-23090: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-23090DEBIAN-CVE-2026-23090
Published 04-02-2026Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2026-23090 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3.2% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.14%
0%100%
Low · +0.02 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 44 · Related 38
DLA-4475-1DLA-4476-1DSA-6126-1DSA-6127-1MGASA-2026-0097MGASA-2026-0098

Timeline

  1. 04-02-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: slimbus: core: fix device reference leak on report present Slimbus devices can be allocated dynamically upon reception of report-present messages. Make sure to drop the reference taken when looking up already registered devices. Note that this requires taking an extra reference in case the device has not yet been registered and has to be allocated.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

+0.02 pp

From 0.13% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.14%

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

Ubuntu152 products
  • linuxAll versions (No fix recorded) | < 5.15.0-176.186 | < 6.8.0-117.117
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1105.112 | < 6.8.0-1055.58
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe, < b1217e40705b2f6d311c197b12866752656217ff | ≥ 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe, < 948615429c9f2ac9d25d4e1f1a4472926b217a9a | ≥ 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe, < 02b78bbfbafe49832e508079148cb87cdfa55825 | ≥ 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe, < 2ddc09f6a0a221b1d91a7cbc8cc2cefdbd334fe6 | ≥ 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe, < 54de72a7aabc0749938d7a2833a0c1a5d3ed7ac9 | ≥ 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe, < 6602bb4d1338e92b5838e50322b87697bdbd2ee0 | ≥ 46a2bb5a7f7ea2728be50f8f5b29a20267f700fe, < 9391380eb91ea5ac792aae9273535c8da5b9aa01 | 4.16
  • linux_kernel≥ 4.16, < 5.10.249 | ≥ 5.11, < 5.15.199 | ≥ 5.16, < 6.1.162 | ≥ 6.2, < 6.6.122 | ≥ 6.7, < 6.12.68 | ≥ 6.13, < 6.18.8 | 6.19:rc1 | 6.19:rc2 | 6.19:rc3 | 6.19:rc4 | 6.19:rc5 | 6.19:rc6
Debian1 product
  • linux< 6.1.162-1 | < 6.12.69-1 | < 6.18.8-1

3 vendors · 155 products

References

39 links
Show all 39 references