Kernel SRU schedule & status

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Stable and Security SRU cycle dates for all Ubuntu kernels - covering all supported releases and flavours. Includes submission deadlines for NVIDIA graphics drivers and OEM kernels.

Upcoming release

Stonking Stingray 26.10 will be based on the upstream 7.2 kernel. Read the announcement on Discourse.

SRU cycles schedule

The schedule below applies to all Ubuntu kernels across all supported releases - not just the latest kernel version. For full per-kernel state, see the Kernel Stable Board.

Stable Updates Cycles

Stable Updates Cycles schedule
Milestone
2026.06.22
4 weeks
2026.08.03 NOW
4 weeks
2026.08.31
4 weeks
Last day - kernel patches
& NVIDIA graphics drivers NVIDIA		 17-Jun 29-Jul 26-Aug
Last day - kernel patches OEM kernels 26-Jun 07-Aug 04-Sep
Kernel prep & testing weeks 22-Jun → 17-Jul 03-Aug → 28-Aug 31-Aug → 25-Sep
Release to -updates Week of 20-Jul Week of 31-Aug Week of 28-Sep

Security Updates Cycles

Security Updates Cycles schedule
Milestone
s2026.06.22
2 weeks
s2026.07.06 NOW
2 weeks
s2026.08.03
2 weeks
Last day - kernel patches 15-Jul 29-Jul 26-Aug
Last day - kernel patches OEM kernels 17-Jul 31-Jul 28-Aug
Kernel prep & testing weeks 20-Jul → 31-Jul 03-Aug → 14-Aug 31-Aug → 11-Sep
Release to -updates Week of 03-Aug Week of 17-Aug Week of 14-Sep

All dates are tentative and are subject to change. Subscribe to Discourse · Kernel SRU topic to stay up-to-date.

Ubuntu kernel schedule