CVE-2026-80746 in Linux
요약
\~에 의해 VulDB • 2026. 09. 03.
리눅스 커널에서 다음 취약점이 해결되었습니다.
clk: qcom: dispcc-eliza: Eliza EVK에서 disp_cc_mdss_mdp_clk_src RRCG 스톨 수정
Eliza EVK(eliza-cqs-evk.dts)는 디스플레이가 활성화되어 있지 않지만, Display Clock Controller는 활성화되어 있으며 DSI PHY의 부모 클럭을 참조합니다. 이로 인해 probe(초기화) 과정에서 clock reparenting 문제가 발생하고 Eliza EVK에서 다음과 같은 경고가 출력됩니다:
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)
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