CVE-2022-49437

powerpc/xive: Fix refcount leak in xive_spapr_init

MEDIUM
5.5
CVSS Score
Published: February 26, 2025 at 02:12 AM UTC
Updated: June 17, 2026 at 05:18 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: powerpc/xive: Fix refcount leak in xive_spapr_init of_find_compatible_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when done. 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.

4.14 ≤ v < 5.15.464.14 ≤ v < 5.17.144.14 ≤ v < 5.18.34.14 ≤ v < 5.195.16 ≤ v < 5.17.145.18 ≤ v < 5.18.34.14eac1e731b59ee3b5f5e641a7765c7ed41ed26226
Vendor states this is fixed in 1d1fb9618bdd5a5fbf9a9eb75133da301d33721c (fixed)
Vendor states this is fixed in 65f11ccdd746e0e7f0b469cc989ba43d4f30ecfe (fixed)
Vendor states this is fixed in 6e806485d851986a2445267608f27cb4ba2ed774 (fixed)
Vendor states this is fixed in cc62dde2a5f4ba14016fd9caec76f08d388f4b9c (fixed)
Vendor states this is fixed in 4.14 (unaffected)
Vendor states this is fixed in 5.15.46 (unaffected)
Vendor states this is fixed in 5.17.14 (unaffected)
Vendor states this is fixed in 5.18.3 (unaffected)
Vendor states this is fixed in 5.19 (unaffected)

References (4)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/1d1fb9618bdd5a5fbf9a9eb75133da301d33721c
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/65f11ccdd746e0e7f0b469cc989ba43d4f30ecfe
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/6e806485d851986a2445267608f27cb4ba2ed774
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/cc62dde2a5f4ba14016fd9caec76f08d388f4b9c

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUMCISA-ADP
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-Other

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