powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address
Priority LOW 24Published · 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
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: powerpc/cell/axon_msi: Fix refcount leak in setup_msi_msg_address of_get_next_parent() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() in the error path to avoid refcount leak.
Why it matters now
EPSS 0.00198 9th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.14.291, 4.19.256, 5.4.211 +5
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 | 2.6.23 and later | 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.23 and later Fixed in 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 2.6.23 to before 4.14.291; 4.15 to before 4.19.256; 4.20 to before 5.4.211; 5.5 to before 5.10.137; 5.11 to before 5.15.61; 5.16 to before 5.18.18; 5.19 to before 5.19.2 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 2.6.23 to before 4.14.291; 4.15 to before 4.19.256; 4.20 to before 5.4.211; 5.5 to before 5.10.137; 5.11 to before 5.15.61; 5.16 to before 5.18.18; 5.19 to before 5.19.2 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.14.291, 4.19.256, 5.4.211, 5.10.137, 5.15.61, 5.18.18, 5.19.2, 6.0
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
Not affected: 5 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2022-50106
- 2026-10-03 Alias added: GHSA-936j-hgq2-c6q5
References
Patch 8
- https://git.kernel.org/stable/c/6263ec8032c411b8ef6b7f00198cb18c855ee6cb
- https://git.kernel.org/stable/c/51cf876b11fb6ca06f69e9d1de58f892d1522e9d
- https://git.kernel.org/stable/c/f388643657cd5a04dc47a68d85321876c5b4c208
- https://git.kernel.org/stable/c/00dc7cbbb558955ff410fd392cc9b0366eb06df0
- https://git.kernel.org/stable/c/5eaa93caa63abf382b319dbe2f032232026740c2
- https://git.kernel.org/stable/c/02ed44125d7a7238999750ca126b60f8dd7a88b1
- https://git.kernel.org/stable/c/af41cff4ada533b1cf40de6c468ba164fd32c22d
- https://git.kernel.org/stable/c/df5d4b616ee76abc97e5bd348e22659c2b095b1c
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- TI-2026-38352 netfilter: bridge: make ebt_snat ARP rewrite writable KEVCVSS 3.1HIGH 8.8
- 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-2022-50106 · CVE Program
- CVE-2022-50106 · NVD
- FIRST EPSS
- GHSA-936j-hgq2-c6q5 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50106 · Red Hat security data · CC BY 4.0
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