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In the Linux kernel, the following vulnerability has been resolved:
fs: Fix uninitialized 'offp' in statmount_string()
In statmount_string(), most flags assign an output offset pointer (offp) which is later updated with the string offset. However, the STATMOUNT_MNT_UIDMAP and STATMOUNT_MNT_GIDMAP cases directly set the struct fields instead of using offp. This leaves offp uninitialized, leading to a possible uninitialized dereference when *offp is updated.
Fix it by assigning offp for UIDMAP and GIDMAP as well, keeping the code path consistent.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Redhat_linux | — | No solution exists | Jul 17, 2026 | Dec 16, 2025 |
| Ubuntu | — | Upgrade linux-image-aws-6.17Upgrade linux-image-oem-24.04Upgrade linux-image-virtualUpgrade linux-image-aws-64kUpgrade linux-image-realtime-6.17Upgrade linux-image-6.17.0-1009-gcp-64kUpgrade linux-image-6.17.0-1009-oracle-64kUpgrade linux-image-oracleUpgrade linux-image-6.17.0-1009-oracleUpgrade linux-image-6.17.0-1009-awsUpgrade linux-image-realtimeUpgrade linux-image-virtual-6.17Upgrade linux-image-6.17.0-1009-gcpUpgrade linux-image-gcp-64k-6.17Upgrade linux-image-gcp-64kUpgrade linux-image-genericUpgrade linux-image-virtual-hwe-24.04Upgrade linux-image-6.17.0-1009-aws-64kUpgrade linux-image-gcp-6.17Upgrade linux-image-6.17.0-1010-raspiUpgrade linux-image-generic-hwe-24.04Upgrade linux-image-6.17.0-1008-realtimeUpgrade linux-image-gcpUpgrade linux-image-realtime-hwe-24.04Upgrade linux-image-6.17.0-1017-oemUpgrade linux-image-generic-64k-6.17Upgrade linux-image-oracle-64k-6.17Upgrade linux-image-azureUpgrade linux-image-awsUpgrade linux-image-raspi-6.17Upgrade linux-image-oracle-6.17Upgrade linux-image-oem-24.04dUpgrade linux-image-oem-6.17Upgrade linux-image-generic-6.17Upgrade linux-image-oem-24.04aUpgrade linux-image-generic-64k-hwe-24.04Upgrade linux-image-azure-6.17Upgrade linux-image-raspiUpgrade linux-image-generic-64kUpgrade linux-image-6.17.0-19-generic-64kUpgrade linux-image-6.17.0-1010-azureUpgrade linux-image-oem-24.04cUpgrade linux-image-oem-24.04bUpgrade linux-image-oracle-64kUpgrade linux-image-aws-64k-6.17Upgrade linux-image-6.17.0-19-generic | Mar 17, 2026 | Dec 16, 2025 |
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