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In the Linux kernel, the following vulnerability has been resolved:
atm: nicstar: Fix possible use-after-free in nicstar_cleanup()
This module's remove path calls del_timer(). However, that function does not wait until the timer handler finishes. This means that the timer handler may still be running after the driver's remove function has finished, which would result in a use-after-free.
Fix by calling del_timer_sync(), which makes sure the timer handler has finished, and unable to re-schedule itself.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | May 21, 2024 |
| Suse | — | Upgrade kernel-default-develUpgrade kernel-develUpgrade kernel-default-extraUpgrade kernel-azure-baseUpgrade kernel-macrosUpgrade kernel-source-azureUpgrade kernel-sourceUpgrade kernel-devel-azureUpgrade kernel-default-baseUpgrade kernel-symsUpgrade kernel-azure-develUpgrade kernel-default-manUpgrade kernel-docsUpgrade kernel-defaultUpgrade kernel-syms-azureUpgrade kernel-azureUpgrade kernel-obs-build | Aug 9, 2024 | May 21, 2024 |
| Ubuntu | — | Upgrade linux-aws-5.4Upgrade linux-azure-fipsUpgrade linux-kvmUpgrade linux-oracle-5.4Upgrade linuxUpgrade linux-gkeopUpgrade linux-hwe-5.4Upgrade linux-raspiUpgrade linux-aws-fipsUpgrade linux-aws-hweUpgrade linux-gcp-5.4Upgrade linux-azureUpgrade linux-oracleUpgrade linux-fipsUpgrade linux-gcp-fipsUpgrade linux-gcp-4.15Upgrade linux-azure-4.15Upgrade linux-raspi-5.4Upgrade linux-hweUpgrade linux-gcpUpgrade linux-awsUpgrade linux-azure-5.4Upgrade linux-bluefield | Nov 19, 2024 | May 21, 2024 |
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