In the Linux kernel, the following vulnerability has been resolved:
sched_ext: Avoid UAF in scx_root_enable_workfn() init failure path
In scx_root_enable_workfn(), put_task_struct(p) is called before scx_error() dereferences p->comm and p->pid. If the iterator's reference is the last drop, the task is freed synchronously and the deref becomes a UAF.
Move put_task_struct() past scx_error().
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 |
|---|---|---|---|---|
| Amazon_linux_2023 | — | Upgrade kernel6.18-modules-extraUpgrade perf6.18-debuginfoUpgrade microvm-kernel6.18Upgrade kernel6.18-toolsUpgrade kernel6.18-debuginfo-common-aarch64Upgrade python3-perf6.18Upgrade kernel6.18-tools-debuginfoUpgrade kernel6.18-debuginfoUpgrade python3-perf6.18-debuginfoUpgrade bpftool6.18-debuginfoUpgrade kernel6.18-debuginfo-common-x86_64Upgrade kernel6.18-modules-extra-commonUpgrade bpftool6.18Upgrade kernel6.18-headersUpgrade kernel-livepatch-6.18.35-68.127Upgrade perf6.18Upgrade kernel6.18-tools-develUpgrade kernel6.18-develUpgrade kernel6.18 | Aug 18, 2026 | Jul 24, 2026 |
| Debian | — | Upgrade linux | Jul 28, 2026 | Jul 28, 2026 |
| Ubuntu | — | Upgrade linux-image-7.0.0-1015-raspi-realtimeUpgrade linux-image-7.0.0-1016-nvidiaUpgrade linux-image-raspi-realtime-7.0Upgrade linux-image-7.0.0-1009-awsUpgrade linux-image-7.0.0-1009-aws-64kUpgrade linux-image-nvidia-hwe-26.04Upgrade linux-image-gcp-7.0Upgrade linux-image-nvidia-7.0Upgrade linux-image-aws-64kUpgrade linux-image-7.0.0-2016-nvidia-bosUpgrade linux-image-7.0.0-1011-gcp-64kUpgrade linux-image-nvidiaUpgrade linux-image-nvidia-64k-7.0Upgrade linux-image-nvidia-bos-7.0Upgrade linux-image-aws-64k-7.0Upgrade linux-image-7.0.0-2016-nvidia-bos-64kUpgrade linux-image-7.0.0-1011-gcpUpgrade linux-image-nvidia-bos-64k-7.0Upgrade linux-image-aws-7.0Upgrade linux-image-7.0.0-1015-raspiUpgrade linux-image-gcp-64k-7.0Upgrade linux-image-nvidia-bosUpgrade linux-image-7.0.0-1016-nvidia-64kUpgrade linux-image-nvidia-64kUpgrade linux-image-awsUpgrade linux-image-nvidia-64k-hwe-26.04Upgrade linux-image-gcpUpgrade linux-image-nvidia-bos-64kUpgrade linux-image-raspi-realtimeUpgrade linux-image-raspiUpgrade linux-image-gcp-64kUpgrade linux-image-raspi-7.0 | Jul 28, 2026 | Jul 28, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Aug 3, 2026 | Jul 24, 2026 |
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