5.5

CVE-2023-53191: irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains

Analyzed
AliasesUBUNTU-CVE-2023-53191DEBIAN-CVE-2023-53191
Published 15-09-2025Last modified 11-05-2026

Vulnerability summary

CVE-2023-53191 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (NVD)
EPSS score
0.16%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 1 · Related 1
SUSE-SU-2025:4189-1

Timeline

  1. 15-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains of_irq_find_parent() returns a node pointer with refcount incremented, We should use of_node_put() on it when not needed anymore. Add missing of_node_put() to avoid refcount leak.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.16%

Chance of exploitation in the next 30 days

Percentile

5%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.16% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu120 products
  • linuxAll versions (No fix recorded) | < 5.4.0-152.169 | < 5.15.0-75.82
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1104.112 | < 5.15.0-1038.43
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < eef04516f0c317ce80502c1d6b0d06235a87cd8f | ≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < eef09f786df4b34b97557929287c4e5a83bbf09b | ≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < 9e79ac4f70fd51243e1c6108d4b0baf16cfde99c | ≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710 | ≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < d6c66c46889752fa4962c6388516f7ab66a8d6a1 | ≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < 65e30bd1310d90b794c377bf405394157854aa30 | ≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < 5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926 | ≥ e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd, < 071d068b89e95d1b078aa6bbcb9d0961b77d6aa1 | 4.6
  • linux_kernel≥ 4.6, < 4.14.308 | ≥ 4.15, < 4.19.276 | ≥ 4.20, < 5.4.235 | ≥ 5.5, < 5.10.173 | ≥ 5.11, < 5.15.99 | ≥ 5.16, < 6.1.16 | ≥ 6.2, < 6.2.3
Debian1 product
  • linux< 6.1.20-1

3 vendors · 123 products

References

12 links
Show all 12 references