Ubuntu Advises on Linux Kernel NVIDIA Tegra Vulnerabilities
Original title: USN-9002-1: Linux kernel (NVIDIA Tegra) vulnerabilities
Ubuntu releases update for Linux kernel io_uring flaw causing denial of service (CVE-2026-81010).
The io_uring subsystem in the Linux kernel did not properly handle canceled task work. A local attacker could possibly use this to cause a denial of service. The update corrects flaws in ARM32, ARM64, MIPS, OpenRISC, PowerPC, RISC-V, S390, x86 and Intel NPU subsystems.
Unconfirmed: Versions not specified in advisory
- Flaw in io_uring subsystem
- Local denial of service via canceled task work
- CVE-2026-81010
- Affects multiple kernel architectures
Impact: denial of service via system crash
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-81010 | Linux kernel io_uring waitid ignores cancellation, runs wait logic in wrong task context | 7.8 | — |
From the original article
It was discovered that the io_uring subsystem in the Linux kernel did not properly handle canceled task work when processing certain wait operations, leading to the operation being performed in the wrong task context. A local attacker could possibly use this to cause a denial of service (system crash). (CVE-2026-81010) Several security issues were discovered in the Linux kernel.
ubuntu.com
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