gianfar: ethtool: Fix refcount leak in gfar_get_ts_info
Priority LOW 24CWE-401Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-401.
Summary
In the Linux kernel, the following vulnerability has been resolved: gianfar: ethtool: Fix refcount leak in gfar_get_ts_info The of_find_compatible_node() function returns a node pointer with refcount incremented, We should use of_node_put() on it when done Add the missing of_node_put() to release the refcount.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00211 11th percentileScored 2026-11-07
Fix Fixed Linux (Linux): 4.19.235, 5.4.185, 5.10.106 +3
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Linux | Linux | 4.18 and later | 4.19.235, 5.4.185, 5.10.106, 5.15.29, 5.16.15, 5.17 | Patch available | CNA |
- Linux VendorLinux Affected 4.18 and later Fixed in 4.19.235, 5.4.185, 5.10.106, 5.15.29, 5.16.15, 5.17 Patch available CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | 4.18 to before 4.19.235; 4.20 to before 5.4.185; 5.5 to before 5.10.106; 5.11 to before 5.15.29; 5.16 to before 5.16.15 | Vulnerable | Linux |
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* Versions 4.18 to before 4.19.235; 4.20 to before 5.4.185; 5.5 to before 5.10.106; 5.11 to before 5.15.29; 5.16 to before 5.16.15 Vulnerable ·Linux
Remediation
- Fix · CNA Linux (Linux) Fixed in 4.19.235, 5.4.185, 5.10.106, 5.15.29, 5.16.15, 5.17
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- 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-2022-48856
- 2026-10-03 Alias added: GHSA-r6gj-cppw-666p
References
Patch 6
- https://git.kernel.org/stable/c/6263f2eb93a85ad7df504daf0c341a7fb6bbe8a6
- https://git.kernel.org/stable/c/f7b3b520349193f8a82cca74daf366199e06add9
- https://git.kernel.org/stable/c/21044e679ed535345042d2023f7df0ca8e897e2a
- https://git.kernel.org/stable/c/f49f646f9ec296fc0afe7ae92c2bb47f23e3846c
- https://git.kernel.org/stable/c/0e1b9a2078e07fb1e6e91bf8badfd89ecab1e848
- https://git.kernel.org/stable/c/2ac5b58e645c66932438bb021cb5b52097ce70b0
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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-2022-48856 · CVE Program
- CVE-2022-48856 · NVD
- FIRST EPSS
- GHSA-r6gj-cppw-666p · GitHub Advisory Database · CC BY 4.0
- CVE-2022-48856 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences