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In the Linux kernel, the following vulnerability has been resolved:
btrfs: qgroup: fix a wrong length calculation in qgroup_free_reserved_data()
In that function, we round down the start position and round up the ending position.
But during the calculation of @len, we use "round_up(start + len, sectorsize)", which is the rounded up end position, not the rounded up length.
Which results a much larger length, and later we are still using "start + len", which is completely incorrect.
Fix it by declaring a local @aligned_start and @aligned_len and use them instead.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Nov 3, 2026 | Sep 17, 2026 |
| Ubuntu | — | Upgrade linux-hwe-7.0Upgrade linux-oracleUpgrade linux-ibmUpgrade linuxUpgrade linux-oem-7.0Upgrade linux-riscvUpgrade linux-awsUpgrade linux-gcpUpgrade linux-riscv-7.0 | Nov 3, 2026 | Sep 17, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Nov 4, 2026 | Sep 17, 2026 |
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