{"id":"CVE-2026-43294","revision":null,"records":[{"revision":"ee38cc8700ec4d018c5e89383d94e7c1","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-43294","aliases":[],"title":"drm: renesas: rz-du: mipi_dsi: fix kernel panic when rebooting for some panels","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: renesas: rz-du: mipi_dsi: fix kernel panic when rebooting for some panels\n\nSince commit 56de5e305d4b (\"clk: renesas: r9a07g044: Add MSTOP for RZ/G2L\")\nwe may get the following kernel panic, for some panels, when rebooting:\n\n systemd-shutdown[1]: Rebooting.\n Call trace:\n ...\n do_serror+0x28/0x68\n el1h_64_error_handler+0x34/0x50\n el1h_64_error+0x6c/0x70\n rzg2l_mipi_dsi_host_transfer+0x114/0x458 (P)\n mipi_dsi_device_transfer+0x44/0x58\n mipi_dsi_dcs_set_display_off_multi+0x9c/0xc4\n ili9881c_unprepare+0x38/0x88\n drm_panel_unprepare+0xbc/0x108\n\nThis happens for panels that need to send MIPI-DSI commands in their\nunprepare() callback. Since the MIPI-DSI interface is stopped at that\npoint, rzg2l_mipi_dsi_host_transfer() triggers the kernel panic.\n\nFix by moving rzg2l_mipi_dsi_stop() to new callback function\nrzg2l_mipi_dsi_atomic_post_disable().\n\nWith this change we now have the correct power-down/stop sequence:\n\n systemd-shutdown[1]: Rebooting.\n rzg2l-mipi-dsi 10850000.dsi: rzg2l_mipi_dsi_atomic_disable(): entry\n ili9881c-dsi 10850000.dsi.0: ili9881c_unprepare(): entry\n rzg2l-mipi-dsi 10850000.dsi: rzg2l_mipi_dsi_atomic_post_disable(): entry\n reboot: Restarting system","state":0,"publishedAt":"2026-05-08T13:11:17.483+00:00","modifiedAt":"2026-10-21T12:40:29.748+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c\"\n ],\n \"versions\": [\n {\n \"version\": \"7a043f978ed1433bddb088a732e9bb91501ebd76\",\n \"lessThan\": \"3cd7a71958c9f7f1def1a110e1ac98c022a554cd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7a043f978ed1433bddb088a732e9bb91501ebd76\",\n \"lessThan\": \"ad9a3246e76b83cd19eb07088111a743a9558bcd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7a043f978ed1433bddb088a732e9bb91501ebd76\",\n \"lessThan\": \"79f42487ed60d0d5ffce97c3bb98f80c3d17735a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7a043f978ed1433bddb088a732e9bb91501ebd76\",\n \"lessThan\": \"41cda667ffc5074c56279c632b0c20024da6ecdd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7a043f978ed1433bddb088a732e9bb91501ebd76\",\n \"lessThan\": \"64aa8b3a60a825134f7d866adf05c024bbe0c24c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.2\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.2\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.160\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.114\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.16\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19.6\",\n \"lessThanOrEqual\": \"6.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.0\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/3cd7a71958c9f7f1def1a110e1ac98c022a554cd","https://git.kernel.org/stable/c/ad9a3246e76b83cd19eb07088111a743a9558bcd","https://git.kernel.org/stable/c/79f42487ed60d0d5ffce97c3bb98f80c3d17735a","https://git.kernel.org/stable/c/41cda667ffc5074c56279c632b0c20024da6ecdd","https://git.kernel.org/stable/c/64aa8b3a60a825134f7d866adf05c024bbe0c24c"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-43294","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-43294","identifiers":["CVE-2026-43294"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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