In the Linux kernel, the following vulnerability has been resolved:
gfs2: Fix slab-use-after-free in qd_put
Commit a475c5dd16e5 ("gfs2: Free quota data objects synchronously") started freeing quota data objects during filesystem shutdown instead of putting them back onto the LRU list, but it failed to remove these objects from the LRU list, causing LRU list corruption. This caused use-after-free when the shrinker (gfs2_qd_shrink_scan) tried to access already-freed objects on the LRU list.
Fix this by removing qd objects from the LRU list before freeing them in qd_put().
Initial fix from Deepanshu Kartikey <[email protected]>.
CVSS Details
- CVSS 3.1 Base Score: 7.8
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade linux | Jul 23, 2026 | Jul 23, 2026 |
| Redhat_linux | — | No solution exists | Jul 17, 2026 | May 27, 2026 |
| Ubuntu | — | Upgrade linux-image-gcp-64k-lts-24.04Upgrade linux-image-gcp-6.8Upgrade linux-image-gcp-64k-6.8Upgrade linux-image-nvidia-lowlatency-64kUpgrade linux-image-nvidia-lowlatencyUpgrade linux-image-gcp-64kUpgrade linux-image-aws-6.8Upgrade linux-image-6.8.0-1063-gcpUpgrade linux-image-6.8.0-136-generic-64kUpgrade linux-image-fipsUpgrade linux-image-genericUpgrade linux-image-6.8.0-1057-oracle-64kUpgrade linux-image-6.8.0-1058-nvidia-lowlatencyUpgrade linux-image-6.8.0-1029-nvidia-tegraUpgrade linux-image-6.8.0-134-fipsUpgrade linux-image-oracle-64k-lts-24.04Upgrade linux-image-azure-fde-6.8Upgrade linux-image-6.8.0-1058-gke-64kUpgrade linux-image-6.8.0-1060-aws-64kUpgrade linux-image-6.8.0-134-generic-64kUpgrade linux-image-intel-iotgUpgrade linux-image-gcp-fipsUpgrade linux-image-lowlatency-64kUpgrade linux-image-6.8.0-134-genericUpgrade linux-image-oem-20.04bUpgrade linux-image-virtual-6.8Upgrade linux-image-oem-22.04Upgrade linux-image-nvidia-tegraUpgrade linux-image-aws-fipsUpgrade linux-image-gkeUpgrade linux-image-realtimeUpgrade linux-image-gkeopUpgrade linux-image-oracle-lts-24.04Upgrade linux-image-generic-lpaeUpgrade linux-image-6.8.0-134-lowlatency-64kUpgrade linux-image-nvidia-lowlatency-64k-6.8Upgrade linux-image-realtime-6.8.1Upgrade linux-image-xilinx-zynqmpUpgrade linux-image-nvidia-tegra-rtUpgrade linux-image-nvidia-6.8Upgrade linux-image-nvidia-lowlatency-6.8Upgrade linux-image-nvidia-tegra-6.8Upgrade linux-image-raspi-realtime-6.8Upgrade linux-image-oem-22.04dUpgrade linux-image-6.8.0-1058-nvidia-64kUpgrade linux-image-6.8.0-1062-azure-fdeUpgrade linux-image-raspiUpgrade linux-image-azureUpgrade linux-image-6.8.0-1029-nvidia-tegra-rtUpgrade linux-image-oem-20.04Upgrade linux-image-6.8.0-1060-ibmUpgrade linux-image-gke-64kUpgrade linux-image-xilinx-6.8Upgrade linux-image-lowlatency-6.8Upgrade linux-image-6.8.0-1060-raspiUpgrade linux-image-lowlatency-64k-6.8Upgrade linux-image-nvidia-hwe-22.04Upgrade linux-image-nvidiaUpgrade linux-image-generic-64k-hwe-22.04Upgrade linux-image-generic-64kUpgrade linux-image-lowlatency-hwe-22.04Upgrade linux-image-nvidia-64k-6.8Upgrade linux-image-nvidia-64k-hwe-22.04Upgrade linux-image-raspi-6.8Upgrade linux-image-6.8.0-1032-xilinxUpgrade linux-image-6.8.0-1060-awsUpgrade linux-image-kvmUpgrade linux-image-6.8.0-1058-nvidiaUpgrade linux-image-virtualUpgrade linux-image-generic-hwe-22.04Upgrade linux-image-6.8.0-1058-gkeUpgrade linux-image-azure-fips-6.8Upgrade linux-image-oracleUpgrade linux-image-6.8.0-1063-gcp-fipsUpgrade linux-image-oem-20.04cUpgrade linux-image-gcp-lts-24.04Upgrade linux-image-oem-20.04dUpgrade linux-image-6.8.1-1055-realtimeUpgrade linux-image-6.8.0-1058-nvidia-lowlatency-64kUpgrade linux-image-6.8.0-136-genericUpgrade linux-image-gcpUpgrade linux-image-oem-22.04aUpgrade linux-image-laptop-23.10Upgrade linux-image-ibm-classicUpgrade linux-image-aws-64k-lts-24.04Upgrade linux-image-gke-64k-6.8Upgrade linux-image-oracle-64k-6.8Upgrade linux-image-aws-64kUpgrade linux-image-realtime-hwe-22.04Upgrade linux-image-gkeop-6.8Upgrade linux-image-oem-22.04bUpgrade linux-image-6.8.0-1062-azure-fipsUpgrade linux-image-virtual-hwe-22.04Upgrade linux-image-azure-fipsUpgrade linux-image-6.8.0-1063-gcp-64kUpgrade linux-image-6.8.0-1057-oracleUpgrade linux-image-lowlatencyUpgrade linux-image-nvidia-64kUpgrade linux-image-aws-lts-24.04Upgrade linux-image-raspi-realtimeUpgrade linux-image-intel-iot-realtimeUpgrade linux-image-generic-64k-6.8Upgrade linux-image-generic-6.8Upgrade linux-image-fips-6.8Upgrade linux-image-azure-fdeUpgrade linux-image-azure-6.8Upgrade linux-image-lowlatency-64k-hwe-22.04Upgrade linux-image-gcp-fips-6.8Upgrade linux-image-6.8.0-1060-aws-fipsUpgrade linux-image-nvidia-tegra-rt-6.8Upgrade linux-image-ibm-6.8Upgrade linux-image-ibmUpgrade linux-image-awsUpgrade linux-image-6.8.0-2049-raspi-realtimeUpgrade linux-image-6.8.0-1063-azureUpgrade linux-image-azure-fde-lts-24.04Upgrade linux-image-6.8.0-134-lowlatencyUpgrade linux-image-6.8.0-1045-gkeopUpgrade linux-image-oracle-64kUpgrade linux-image-gke-6.8Upgrade linux-image-oracle-6.8Upgrade linux-image-xilinxUpgrade linux-image-aws-fips-6.8Upgrade linux-image-azure-lts-24.04Upgrade linux-image-oem-22.04cUpgrade linux-image-ibm-lts-24.04Upgrade linux-image-aws-64k-6.8 | Jul 2, 2026 | Jul 1, 2026 |
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