CVE-2026-80746
clk: qcom: dispcc-eliza: Fix disp_cc_mdss_mdp_clk_src RCG stall on Eliza EVK
Description
In the Linux kernel, the following vulnerability has been resolved: clk: qcom: dispcc-eliza: Fix disp_cc_mdss_mdp_clk_src RCG stall on Eliza EVK Eliza EVK (eliza-cqs-evk.dts) does not have display enabled, however its Display Clock Controller is enabled and references parent clocks from DSI PHYs, which causes clock reparenting issues during probe (init) and warning on Eliza EVK: disp_cc_mdss_mdp_clk_src: rcg didn't update its configuration. WARNING: drivers/clk/qcom/clk-rcg2.c:136 at update_config+0xd4/0xe4, CPU#1: udevd/273 ... update_config (drivers/clk/qcom/clk-rcg2.c:136 (discriminator 2)) (P) clk_rcg2_shared_disable (drivers/clk/qcom/clk-rcg2.c:1471) clk_rcg2_shared_init (drivers/clk/qcom/clk-rcg2.c:1540) __clk_register (drivers/clk/clk.c:3959 drivers/clk/clk.c:4368) devm_clk_hw_register (drivers/clk/clk.c:4448 (discriminator 1) drivers/clk/clk.c:4672 (discriminator 1)) devm_clk_register_regmap (drivers/clk/qcom/clk-regmap.c:104) qcom_cc_really_probe (drivers/clk/qcom/common.c:418) qcom_cc_probe (drivers/clk/qcom/common.c:445) disp_cc_eliza_probe (dispcc-eliza.c:?) dispcc_eliza platform_probe (drivers/base/platform.c:1432)
INFO
Published Date :
Sept. 3, 2026, 8:26 a.m.
Last Modified :
Sept. 3, 2026, 8:26 a.m.
Remotely Exploit :
No
Source :
Linux
Solution
- Enable display on Eliza EVK if needed.
- Disable display clock controller if display is not used.
- Update kernel to include the fix.
- Review clock configuration for similar devices.
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