Vulnerability · CVE-2023-53191
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 wi
Published Sep 15, 2025 · catalog updated May 11, 2026 · Linux Linux
Check if you run it
No confirmed exploitation is on record for CVE-2023-53191. EPSS is 0.16%. Act only if a listed version of Linux Linux is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- None0.0
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.16%
- Remediation
- Version ranges on file
- Affected products
- vendor Linux Linux e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd <c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Linux Linux e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd <c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd <c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710
How to fix CVE-2023-53191
Recommended remediation
Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2023-53191. EPSS is 0.16%. Act only if a listed version of Linux Linux is installed.
Which versions are affected?
Compare what you have installed with Linux Linux e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd <c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710 e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd <c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
Timeline
Detection, updates, and resolution for this record.
Sep 15, 2025 · EUVD
Detected
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.
May 11, 2026 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2023-53191
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-53191
30-day exploitation probability 0.16%
first.org - EUVDVulnerability recordEUVD-2023-59785
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_n
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.