isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe()
Priority LOW 22Published · Updated
Key facts
- Attack vector
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- Privileges required
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- User interaction
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- Attack complexity
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- Impact type
- —
- Confidentiality · integrity · availability
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- Fix status
- Partial Red Hat: 3 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: isdn: mISDN: hfcsusb: fix memory leak in hfcsusb_probe() In hfcsusb_probe(), the memory allocated for ctrl_urb gets leaked when setup_instance() fails with an error code. Fix that by freeing the urb before freeing the hw structure. Also change the error paths to use the goto ladder style. Compile tested only. Issue found using a prototype static analysis tool.
Why it matters now
EPSS 0.00196 9th percentileScored 2026-11-07
Fix Partial Linux (Linux): 5.4.302, 5.10.247, 5.15.197 +5Red Hat: 3 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 | 2.6.29 and later | 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.59, 6.17.9, 6.18 | Patch available | CNA |
- Linux VendorLinux Affected 2.6.29 and later Fixed in 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.59, 6.17.9, 6.18 Patch available CNA
Remediation
- Fix · CNA Linux (Linux) Fixed in 5.4.302, 5.10.247, 5.15.197, 6.1.159, 6.6.117, 6.12.59, 6.17.9, 6.18
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
Not affected: 2 products
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2025-68734
- 2026-10-03 Alias added: GHSA-m755-w853-wg37
References
Other 8
- https://git.kernel.org/stable/c/475032fa2bb82ffb592c321885e917e39f47357f
- https://git.kernel.org/stable/c/adb7577e23a431fc53aa1b6107733c0d751015fb
- https://git.kernel.org/stable/c/b70c24827e11fdc71465f9207e974526fb457bb9
- https://git.kernel.org/stable/c/3f7c72bc73c4e542fde14cce017549d8a0b61a3c
- https://git.kernel.org/stable/c/03695541b3349bc40bf5d6563d44d6147fb20260
- https://git.kernel.org/stable/c/6dce43433e0635e7b00346bc937b69ce48ea71bb
- https://git.kernel.org/stable/c/ea7936304ed74ab7f965d17f942a173ce91a5ca8
- https://git.kernel.org/stable/c/3f978e3f1570155a1327ffa25f60968bc7b9398f
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Sources
- CVE-2025-68734 · CVE Program
- CVE-2025-68734 · NVD
- FIRST EPSS
- GHSA-m755-w853-wg37 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-68734 · Red Hat security data · CC BY 4.0
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