5.5

CVE-2026-23289: linux

CVSS: 5.5v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-23289DEBIAN-CVE-2026-23289
Published 25-03-2026Last modified 11-05-2026
Open JSON

Vulnerability summary

CVE-2026-23289 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.12% chance of exploitation in the next 30 days, higher than 1.8% 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
0.12%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 29 · Related 27
MGASA-2026-0097MGASA-2026-0098USN-8567-1USN-8574-1USN-8574-2USN-8574-3

Timeline

  1. 25-03-2026
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: IB/mthca: Add missed mthca_unmap_user_db() for mthca_create_srq() Fix a user triggerable leak on the system call failure path.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.12%

Chance of exploitation in the next 30 days

Percentile

2%

Versus all other CVEs

30-day change

0.00 pp

From 0.12% on 18-09-2026

18-09-202618-10-2026
EPSS score
0.12%

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

Ubuntu157 products
  • linuxAll versions (No fix recorded) | < 5.15.0-186.196 | < 6.8.0-136.136
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.15.0-1112.119 | < 6.8.0-1061.64
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ ec34a922d243c3401a694450734e9effb2bafbfe, < 11ac61f4e9b7c48b0dd44661765e5ace3c441aa3 | ≥ ec34a922d243c3401a694450734e9effb2bafbfe, < 72fcfd4df46f2ee684c4776664d0cfc6c1746c9a | ≥ ec34a922d243c3401a694450734e9effb2bafbfe, < f67f1ad4029e9fa183141546de31987b254c9292 | ≥ ec34a922d243c3401a694450734e9effb2bafbfe, < d0148965dbca8cc8efa7e3d6e99940487bf661c0 | ≥ ec34a922d243c3401a694450734e9effb2bafbfe, < da8eaa73bc37d004350ba68eb18b6ade8e49db52 | ≥ ec34a922d243c3401a694450734e9effb2bafbfe, < deee46b37ebd8cc5ff810127883fca90f2412a7b | ≥ ec34a922d243c3401a694450734e9effb2bafbfe, < 972b72d7e2d8fe1400f1c7a8304c282c539b7e02 | ≥ ec34a922d243c3401a694450734e9effb2bafbfe, < 117942ca43e2e3c3d121faae530989931b7f67e1 | 2.6.14
  • linux_kernel≥ 2.6.14, < 5.10.253 | ≥ 5.11, < 5.15.203 | ≥ 5.16, < 6.1.167 | ≥ 6.2, < 6.6.130 | ≥ 6.7, < 6.12.77 | ≥ 6.13, < 6.18.17 | ≥ 6.19, < 6.19.7 | 7.0:rc1
Debian1 product
  • linux< 6.1.170-1 | < 6.12.85-1 | < 6.19.8-1

3 vendors · 160 products

References

40 links
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