CVE-2023-53191

irqchip/alpine-msi: Fix refcount leak in alpine_msix_init_domains

MEDIUM
5.5
CVSS Score
Published: September 15, 2025 at 02:06 PM UTC
Updated: June 17, 2026 at 06:44 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

4.15 ≤ v < 4.19.2764.20 ≤ v < 5.4.2354.6 ≤ v < 4.14.3084.6 ≤ v < 4.19.2764.6 ≤ v < 5.10.1734.6 ≤ v < 5.15.994.6 ≤ v < 5.4.2354.6 ≤ v < 6.1.164.6 ≤ v < 6.2.34.6 ≤ v < 6.35.11 ≤ v < 5.15.995.16 ≤ v < 6.1.165.5 ≤ v < 5.10.1736.2 ≤ v < 6.2.34.6e6b78f2c3e14a9e3a909be3e6ec305d9f1cbabbd
Vendor states this is fixed in 071d068b89e95d1b078aa6bbcb9d0961b77d6aa1 (fixed)
Vendor states this is fixed in 5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926 (fixed)
Vendor states this is fixed in 65e30bd1310d90b794c377bf405394157854aa30 (fixed)
Vendor states this is fixed in 9e79ac4f70fd51243e1c6108d4b0baf16cfde99c (fixed)
Vendor states this is fixed in c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710 (fixed)
Vendor states this is fixed in d6c66c46889752fa4962c6388516f7ab66a8d6a1 (fixed)
Vendor states this is fixed in eef04516f0c317ce80502c1d6b0d06235a87cd8f (fixed)
Vendor states this is fixed in eef09f786df4b34b97557929287c4e5a83bbf09b (fixed)
Vendor states this is fixed in 4.14.308 (unaffected)
Vendor states this is fixed in 4.19.276 (unaffected)
Vendor states this is fixed in 4.6 (unaffected)
Vendor states this is fixed in 5.10.173 (unaffected)
Vendor states this is fixed in 5.15.99 (unaffected)
Vendor states this is fixed in 5.4.235 (unaffected)
Vendor states this is fixed in 6.1.16 (unaffected)
Vendor states this is fixed in 6.2.3 (unaffected)
Vendor states this is fixed in 6.3 (unaffected)

References (8)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/071d068b89e95d1b078aa6bbcb9d0961b77d6aa1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5fbf2cc39b62a4afe44f3d42ee3dcf8f012c1926
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/65e30bd1310d90b794c377bf405394157854aa30
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/9e79ac4f70fd51243e1c6108d4b0baf16cfde99c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c9aaf4efe1f02b2fef21a69fb3652f5ad12a5710
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d6c66c46889752fa4962c6388516f7ab66a8d6a1
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/eef04516f0c317ce80502c1d6b0d06235a87cd8f
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/eef09f786df4b34b97557929287c4e5a83bbf09b

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusANALYZED
CWE
NVD-CWE-Other

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