In the Linux kernel, the following vulnerability has been resolved:
idpf: cleanup remaining SKBs in PTP flows
When the driver requests Tx timestamp value, one of the first steps is to clone SKB using skb_get. It increases the reference counter for that SKB to prevent unexpected freeing by another component. However, there may be a case where the index is requested, SKB is assigned and never consumed by PTP flows - for example due to reset during running PTP apps.
Add a check in release timestamping function to verify if the SKB assigned to Tx timestamp latch was freed, and release remaining SKBs.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Ubuntu | — | Upgrade linux-image-oracleUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-aws-6.17Upgrade linux-image-virtual-6.17Upgrade linux-image-realtimeUpgrade linux-image-gcp-64kUpgrade linux-image-aws-64k-6.17Upgrade linux-image-virtualUpgrade linux-image-genericUpgrade linux-image-6.17.0-14-genericUpgrade linux-image-aws-64kUpgrade linux-image-generic-64kUpgrade linux-image-6.17.0-1007-gcpUpgrade linux-image-6.17.0-1008-raspiUpgrade linux-image-6.17.0-1007-aws-64kUpgrade linux-image-6.17.0-1007-awsUpgrade linux-image-oem-6.17Upgrade linux-image-azureUpgrade linux-image-realtime-6.17Upgrade linux-image-raspiUpgrade linux-image-6.17.0-14-generic-64kUpgrade linux-image-6.17.0-1007-oracle-64kUpgrade linux-image-gcpUpgrade linux-image-6.17.0-1007-oracleUpgrade linux-image-awsUpgrade linux-image-6.17.0-1006-realtimeUpgrade linux-image-azure-6.17Upgrade linux-image-6.17.0-1007-gcp-64kUpgrade linux-image-generic-6.17Upgrade linux-image-6.17.0-1008-azureUpgrade linux-image-oracle-64kUpgrade linux-image-raspi-6.17Upgrade linux-image-oracle-6.17Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-6.17.0-1011-oemUpgrade linux-image-generic-64k-6.17Upgrade linux-image-gcp-6.17 | Feb 13, 2026 | Feb 12, 2026 |
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