In the Linux kernel, the following vulnerability has been resolved:
um: time-travel: fix time corruption
In 'basic' time-travel mode (without =inf-cpu or =ext), we still get timer interrupts. These can happen at arbitrary points in time, i.e. while in timer_read(), which pushes time forward just a little bit. Then, if we happen to get the interrupt after calculating the new time to push to, but before actually finishing that, the interrupt will set the time to a value that's incompatible with the forward, and we'll crash because time goes backwards when we do the forwarding.
Fix this by reading the time_travel_time, calculating the adjustment, and doing the adjustment all with interrupts disabled.
CVSS Details
- CVSS 3.1 Base Score: 5
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 30, 2024 | Apr 2, 2024 |
| Ubuntu | — | Upgrade linux-image-5.15.0-1054-nvidia-lowlatencyUpgrade linux-image-aws-lts-22.04Upgrade linux-image-6.5.0-41-lowlatency-64kUpgrade linux-image-6.5.0-1024-oracleUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.5.0-1021-awsUpgrade linux-image-6.5.0-1024-oracle-64kUpgrade linux-image-generic-64k-hwe-20.04Upgrade linux-image-5.15.0-1061-awsUpgrade linux-image-lowlatencyUpgrade linux-image-generic-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-gcpUpgrade linux-image-raspi-nolpaeUpgrade linux-image-oem-22.04Upgrade linux-image-6.5.0-1022-azure-fdeUpgrade linux-image-gkeopUpgrade linux-image-nvidiaUpgrade linux-image-generic-lpaeUpgrade linux-image-virtualUpgrade linux-image-oem-20.04dUpgrade linux-image-6.5.0-1015-starfiveUpgrade linux-image-5.15.0-1059-gcpUpgrade linux-image-lowlatency-hwe-20.04Upgrade linux-image-6.5.0-1017-laptopUpgrade linux-image-ibmUpgrade linux-image-6.5.0-1021-nvidia-64kUpgrade linux-image-6.5.0-41-lowlatencyUpgrade linux-image-azure-lts-22.04Upgrade linux-image-5.15.0-106-generic-lpaeUpgrade linux-image-oem-20.04bUpgrade linux-image-oem-22.04aUpgrade linux-image-oracleUpgrade linux-image-gcp-lts-22.04Upgrade linux-image-5.15.0-106-lowlatencyUpgrade linux-image-5.15.0-1058-gkeUpgrade linux-image-gke-5.15Upgrade linux-image-azure-fdeUpgrade linux-image-oem-22.04bUpgrade linux-image-genericUpgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-intelUpgrade linux-image-5.15.0-1063-azureUpgrade linux-image-6.5.0-41-generic-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-6.5.0-1022-gcpUpgrade linux-image-5.15.0-1059-oracleUpgrade linux-image-gkeop-5.15Upgrade linux-image-oem-22.04dUpgrade linux-image-virtual-hwe-20.04Upgrade linux-image-azureUpgrade linux-image-5.15.0-1063-azure-fdeUpgrade linux-image-5.15.0-1057-intel-iotgUpgrade linux-image-6.5.0-1021-nvidiaUpgrade linux-image-oracle-64kUpgrade linux-image-azure-fde-lts-22.04Upgrade linux-image-raspiUpgrade linux-image-5.15.0-1058-kvmUpgrade linux-image-5.15.0-106-generic-64kUpgrade linux-image-5.15.0-1044-gkeopUpgrade linux-image-generic-lpae-hwe-20.04Upgrade linux-image-5.15.0-106-genericUpgrade linux-image-lowlatency-64k-hwe-20.04Upgrade linux-image-oem-22.04cUpgrade linux-image-6.5.0-1022-azureUpgrade linux-image-5.15.0-1058-intel-iotgUpgrade linux-image-gkeUpgrade linux-image-azure-cvmUpgrade linux-image-5.15.0-1054-nvidiaUpgrade linux-image-kvmUpgrade linux-image-awsUpgrade linux-image-intel-iotgUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-virtual-hwe-22.04Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-6.5.0-1018-raspiUpgrade linux-image-nvidia-6.5Upgrade linux-image-5.15.0-1054-raspiUpgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-5.15.0-1054-ibmUpgrade linux-image-nvidia-64k-6.5Upgrade linux-image-generic-hwe-20.04Upgrade linux-image-oracle-lts-22.04Upgrade linux-image-6.5.0-1024-oemUpgrade linux-image-6.5.0-41-genericUpgrade linux-image-starfiveUpgrade linux-image-laptop-23.10Upgrade linux-image-oem-20.04cUpgrade linux-image-oem-20.04Upgrade linux-image-5.15.0-106-lowlatency-64k | May 17, 2024 | Apr 2, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 14, 2025 | Apr 2, 2024 |
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