usb: renesas: Fix refcount leak bug
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
- Partial Red Hat: 3 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: usb: renesas: Fix refcount leak bug In usbhs_rza1_hardware_init(), of_find_node_by_name() will return a node pointer with refcount incremented. We should use of_node_put() when it is not used anymore.
Why it matters now
EPSS 0.00194 9th percentileScored 2026-11-07
Fix Partial Linux (Linux): 4.19.256, 5.4.211, 5.10.138 +3Red Hat: 1 advisoryRed Hat: 3 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 | 4.16 and later | 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.19.4, 6.0 | Patch available | CNA |
- Linux VendorLinux Affected 4.16 and later Fixed in 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.19.4, 6.0 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | before 4.19.256; 4.20 to before 5.4.211; 5.5 to before 5.10.138; 5.11 to before 5.15.63; 5.16 to before 5.19.4 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions before 4.19.256; 4.20 to before 5.4.211; 5.5 to before 5.10.138; 5.11 to before 5.15.63; 5.16 to before 5.19.4 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.256, 5.4.211, 5.10.138, 5.15.63, 5.19.4, 6.0
Red Hat 1 advisory
- RHSA-2023:2458 Released 2023-05-09 · Red Hat rating Importantkernel security, bug fix, and enhancement update
- Red Hat Enterprise Linux AppStream (v. 9) kernel-64k-debug-devel-5.14.0-284.11.1.el9_2, kernel-64k-debug-devel-matched-5.14.0-284.11.1.el9_2, kernel-64k-devel-5.14.0-284.11.1.el9_2 +10
- Red Hat Enterprise Linux BaseOS (v. 9) bpftool-7.0.0-284.11.1.el9_2, kernel-5.14.0-284.11.1.el9_2, kernel-64k-5.14.0-284.11.1.el9_2 +29
- Red Hat Enterprise Linux CRB (v. 9) kernel-tools-libs-devel-5.14.0-284.11.1.el9_2
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 9 | Affected | No fix yet |
| Red Hat Enterprise Linux AppStream (v. 9) | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux BaseOS (v. 9) | Fixed | RHSA-2023:2458 |
| Red Hat Enterprise Linux CRB (v. 9) | Fixed | RHSA-2023:2458 |
Not affected: 4 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
Timeline
- 2026-10-02 Threatist record created from CVE-2022-50032
- 2026-10-03 Alias added: GHSA-cjmf-w3gw-6j54
References
Patch 6
- https://git.kernel.org/stable/c/36b18b777dece704b7c2e9e7947ca41a9b0fb009
- https://git.kernel.org/stable/c/cfa8f707a58d68b2341a9dd0b33cf048f0628b4d
- https://git.kernel.org/stable/c/9790a5a4f07f38a5add85ec58c44797d3a7c3677
- https://git.kernel.org/stable/c/fbdbd61a36d887e00114321c6758e359e9573a8e
- https://git.kernel.org/stable/c/5c4b699193eba51f1bbf462d758d66f545fddd35
- https://git.kernel.org/stable/c/9d6d5303c39b8bc182475b22f45504106a07f086
More Linux Kernel vulnerabilities
- TI-2025-26358 tls: fix handling of zero-length records on the rx_list KEVCVSS 3.1CRITICAL 9.8
- 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-2022-50032 · CVE Program
- CVE-2022-50032 · NVD
- FIRST EPSS
- GHSA-cjmf-w3gw-6j54 · GitHub Advisory Database · CC BY 4.0
- CVE-2022-50032 · Red Hat security data · CC BY 4.0
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