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An issue was discovered in the Linux kernel before 5.9.3. io_uring takes a non-refcounted reference to the files_struct of the process that submitted a request, causing execve() to incorrectly optimize unshare_fd(), aka CID-0f2122045b94.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Dec 3, 2020 |
| Ubuntu | — | Upgrade linux-image-virtualUpgrade linux-image-gkeUpgrade linux-image-5.8.0-34-genericUpgrade linux-image-raspi-nolpaeUpgrade linux-image-5.8.0-1015-gcpUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-generic-lpaeUpgrade linux-image-5.8.0-1011-raspiUpgrade linux-image-kvmUpgrade linux-image-oracleUpgrade linux-image-awsUpgrade linux-image-generic-64kUpgrade linux-image-azureUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-gcpUpgrade linux-image-genericUpgrade linux-image-raspiUpgrade linux-image-5.8.0-1011-raspi-nolpaeUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-5.8.0-1014-kvmUpgrade linux-image-5.8.0-34-generic-lpaeUpgrade linux-image-5.8.0-34-generic-64kUpgrade linux-image-lowlatencyUpgrade linux-image-5.8.0-1017-awsUpgrade linux-image-5.8.0-1016-azureUpgrade linux-image-5.8.0-1014-oracleUpgrade linux-image-5.8.0-34-lowlatency | Jan 6, 2021 | Dec 3, 2020 |
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