powerpc/xics: fix refcount leak in icp_opal_init()
Priority LOW 25Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Partial Red Hat: 5 fixed, 1 without a fix
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/xics: fix refcount leak in icp_opal_init() The of_find_compatible_node() function returns a node pointer with refcount incremented, use of_node_put() on it when done.
Why it matters now
EPSS 0.00278 20th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.9.318, 4.14.283, 4.19.247 +6Red Hat: 1 advisoryRed Hat: 5 fixed, 1 without a fix
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.8 and later | 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19 | Patch available | CNA |
- Linux VendorLinux Affected 4.8 and later Fixed in 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.9.318; 4.10 to before 4.14.283; 4.15 to before 4.19.247; 4.20 to before 5.4.198; 5.5 to before 5.10.121; 5.11 to before 5.15.46; 5.16 to before 5.17.14; 5.18 to before 5.18.3 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.9.318; 4.10 to before 4.14.283; 4.15 to before 4.19.247; 4.20 to before 5.4.198; 5.5 to before 5.10.121; 5.11 to before 5.15.46; 5.16 to before 5.17.14; 5.18 to before 5.18.3 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.9.318, 4.14.283, 4.19.247, 5.4.198, 5.10.121, 5.15.46, 5.17.14, 5.18.3, 5.19
Red Hat 1 advisory
- RHSA-2025:20518 Released 2025-11-11 · Red Hat rating Moderatekernel security update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-611.5.1.el9_7, kernel-64k-debug-devel-matched-5.14.0-611.5.1.el9_7, kernel-64k-devel-5.14.0-611.5.1.el9_7 +12
- Red Hat Enterprise Linux BaseOS (v. 9) kernel-5.14.0-611.5.1.el9_7, kernel-64k-5.14.0-611.5.1.el9_7, kernel-64k-core-5.14.0-611.5.1.el9_7 +28
- Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) kernel-tools-libs-devel-5.14.0-611.5.1.el9_7, libperf-5.14.0-611.5.1.el9_7
- Red Hat Enterprise Linux Real Time (v. 9) kernel-rt-5.14.0-611.5.1.el9_7, kernel-rt-64k-5.14.0-611.5.1.el9_7, kernel-rt-64k-core-5.14.0-611.5.1.el9_7 +21
- Red Hat Enterprise Linux Real Time for NFV (v. 9) kernel-rt-5.14.0-611.5.1.el9_7, kernel-rt-core-5.14.0-611.5.1.el9_7, kernel-rt-debug-5.14.0-611.5.1.el9_7 +9
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux CodeReady Linux Builder (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux Real Time (v. 9) | Fixed | RHSA-2025:20518 |
| Red Hat Enterprise Linux Real Time for NFV (v. 9) | Fixed | RHSA-2025:20518 |
Not affected: 3 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2022-49432
- 2026-10-03 Alias added: GHSA-p93v-4wqp-w2fh
- 2026-10-29 Affected versions changed · Red Hat
References
Patch 9
- https://git.kernel.org/stable/c/977dbc81d0f866ef63b93c127b7404f07734b3cc
- https://git.kernel.org/stable/c/53f3f7f73e609b934083f896cb7ca2c2cb009b9f
- https://git.kernel.org/stable/c/1d5c8cea85fb1680eae8d645b96b92146cb4633c
- https://git.kernel.org/stable/c/537a317e5ff45d1f5a0ecaf6a0d7c8043c878cb1
- https://git.kernel.org/stable/c/6a61a97106279c2aa16fbbb2a171fd5dde127d23
- https://git.kernel.org/stable/c/df802880a7f9cd96b921b00639b00871f18a9a57
- https://git.kernel.org/stable/c/2357bd7499a81c70b460e2191852bbfc7b63c354
- https://git.kernel.org/stable/c/9a42bc2494fadb453de00ce61042e588563ddc6d
- https://git.kernel.org/stable/c/5dd9e27ea4a39f7edd4bf81e9e70208e7ac0b7c9
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- TI-2013-05264 The (1) get_user and (2) put_user API functions in the Linux kernel before 3.5.5 on the… KEVCVSS 3.1HIGH 8.8
- TI-2022-00125 Integer overflow in kernel KEVCVSS 3.1HIGH 8.4
- TI-2013-01864 The perf_swevent_init function in kernel/events/core.c in the Linux kernel before 3.8.9… KEVCVSS 3.1HIGH 8.4
- TI-2021-05514 Heap Out-Of-Bounds Write in Netfilter IP6T_SO_SET_REPLACE KEVCVSS 3.1HIGH 8.3
Sources
- CVE-2022-49432 · CVE Program
- CVE-2022-49432 · NVD
- FIRST EPSS
- GHSA-p93v-4wqp-w2fh · GitHub Advisory Database · CC BY 4.0
- CVE-2022-49432 · Red Hat security data · CC BY 4.0
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