dpaa2-switch: put MAC endpoint device on disconnect
Key facts
- Attack vector
- —
- Privileges required
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- User interaction
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- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 1 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: dpaa2-switch: put MAC endpoint device on disconnect fsl_mc_get_endpoint() returns the MAC endpoint device with a reference taken through device_find_child(). The switch port connect path stores that device in mac->mc_dev and keeps it for the lifetime of the connected MAC object. However, the disconnect path only closes the MAC and frees the dpaa2_mac object. It does not drop the endpoint device reference stored in mac->mc_dev, so every successful connect leaks that device reference when the MAC is later disconnected. Drop the endpoint device reference before freeing the dpaa2_mac object.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.15.216, 6.1.183, 6.6.148, 6.12.101, 6.18.42, 7.1.6, 7.2
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
Not affected: 7 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat Enterprise Linux for NVIDIA 26
- Red Hat OpenShift Container Platform 4
- Red Hat OpenShift Container Platform 5
Timeline
- 2026-10-02 Threatist record created from CVE-2026-68333
- 2026-10-03 Alias added: GHSA-w4qg-4v2q-4r8f
- 2026-10-30 Affected versions changed · Red Hat
References
Other 7
- https://git.kernel.org/stable/c/196f7301537814bef0f5915f87cd73d6d1235c19
- https://git.kernel.org/stable/c/0e9a6811eb6198ab17538cd01fa155d133b238ed
- https://git.kernel.org/stable/c/1f4ca61b7a93de3dfa5161bcd38ecb99bb091c38
- https://git.kernel.org/stable/c/680eecc850d36a280df9780496bc603fec17b2d6
- https://git.kernel.org/stable/c/26ac2d3602347f0377fbcd5214bc28a9d735ae68
- https://git.kernel.org/stable/c/c27694ff6748e08fcd2fdba89018439d75b8198f
- https://git.kernel.org/stable/c/4c1eabbef7a1707635652e956e39db1269c3af2b
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Sources
- CVE-2026-68333 · CVE Program
- CVE-2026-68333 · NVD
- FIRST EPSS
- GHSA-w4qg-4v2q-4r8f · GitHub Advisory Database · CC BY 4.0
- CVE-2026-68333 · Red Hat security data · CC BY 4.0
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