net: dsa: sja1105: round up PTP perout pin duration
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
- Fixed
No CVSS vector from any source. Fix status from CNA.
Summary
In the Linux kernel, the following vulnerability has been resolved: net: dsa: sja1105: round up PTP perout pin duration pin_duration is converted from the user-provided period to SJA1105 clock ticks and is later passed as the cycle_time argument to future_base_time(). Very small period values may become zero after the conversion, which can lead to a division by zero in future_base_time(). Round zero pin_duration up to 1 tick so that the smallest unsupported periods use the minimum non-zero hardware duration instead of passing zero to future_base_time().
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 5.10.261, 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. 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-2026-72414
- 2026-10-03 Alias added: GHSA-qh8g-7fvq-cf33
References
Other 8
- https://git.kernel.org/stable/c/aaf446099ca497c8d9a8e511fedf5d0e547bf8ec
- https://git.kernel.org/stable/c/201dcbbfb27f3db85c8cf125a75f3164a83ceb32
- https://git.kernel.org/stable/c/9952291db7125b8a62bf19800b93dcac81fc70c0
- https://git.kernel.org/stable/c/fc62bfd30d30af07356f0f7121c826e1e753582f
- https://git.kernel.org/stable/c/28d13a89a211cc07caeef32069eaa847131b7351
- https://git.kernel.org/stable/c/410629528067029096dba7ad7bc49e4a5e92708d
- https://git.kernel.org/stable/c/09efce96c909dff1a9317ec3714b7ddb4751b7af
- https://git.kernel.org/stable/c/aee5836273b07b439fb245fb43930664d8b78518
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Sources
- CVE-2026-72414 · CVE Program
- CVE-2026-72414 · NVD
- FIRST EPSS
- GHSA-qh8g-7fvq-cf33 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-72414 · Red Hat security data · CC BY 4.0
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