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CVE-2026-72007: pmdomain: imx: Fix i.MX8MP VC8000E power up sequence

• Severity: unknown
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-15 · updated 2026-08-17

Description

In the Linux kernel, the following vulnerability has been resolved: pmdomain: imx: Fix i.MX8MP VC8000E power up sequence Per errata[1]: ERR050531: VPU_NOC power down handshake may hang during VC8000E/VPUMIX power up/down cycling. Description: VC8000E reset de-assertion edge and AXI clock may have a timing issue. Workaround: Set bit2 (vc8000e_clk_en) of BLK_CLK_EN_CSR to 0 to gate off both AXI clock and VC8000E clock sent to VC8000E and AXI clock sent to VPU_NOC m_v_2 interface during VC8000E power up(VC8000E reset is de-asserted by HW) Add a bool variable is_errata_err050531 in 'struct imx8m_blk_ctrl_domain_data' to represent whether the workaround is needed. If is_errata_err050531 is true, first clear the clk before powering up gpc, then enable the clk after powering up gpc. [1] https://www.nxp.com/webapp/Download?colCode=IMX8MP_1P33A

Affected products

• Linux kernel: 6.1 — fixed in 7.2

How to fix

Upgrade to a fixed version: Linux kernel 7.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/25e252bcf1593b420b12a7231d9dd64b885a2ae2
• https://git.kernel.org/stable/c/4907f4c2d98b97e640191af5bcf2814ee1034b76
• https://git.kernel.org/stable/c/4ff3960f3527189bc115a927ed3561c758f562f1
• https://git.kernel.org/stable/c/87af3ebc112fb3f06753794390daf0f665f151b4
• https://git.kernel.org/stable/c/c498928f85651b56a4041ea165a22037eae69580

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