CVE-2026-43294

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43294", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.999Z", "datePublished": "2026-05-08T13:11:17.483Z", "dateUpdated": "2026-10-21T12:40:29.748Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:40:29.748Z"}, "descriptions": [{"lang": "en", "value": "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"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c"], "versions": [{"version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "lessThan": "3cd7a71958c9f7f1def1a110e1ac98c022a554cd", "status": "affected", "versionType": "git"}, {"version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "lessThan": "ad9a3246e76b83cd19eb07088111a743a9558bcd", "status": "affected", "versionType": "git"}, {"version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "lessThan": "79f42487ed60d0d5ffce97c3bb98f80c3d17735a", "status": "affected", "versionType": "git"}, {"version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "lessThan": "41cda667ffc5074c56279c632b0c20024da6ecdd", "status": "affected", "versionType": "git"}, {"version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "lessThan": "64aa8b3a60a825134f7d866adf05c024bbe0c24c", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c"], "versions": [{"version": "6.2", "status": "affected"}, {"version": "0", "lessThan": "6.2", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.114", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.12.114"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/3cd7a71958c9f7f1def1a110e1ac98c022a554cd"}, {"url": "https://git.kernel.org/stable/c/ad9a3246e76b83cd19eb07088111a743a9558bcd"}, {"url": "https://git.kernel.org/stable/c/79f42487ed60d0d5ffce97c3bb98f80c3d17735a"}, {"url": "https://git.kernel.org/stable/c/41cda667ffc5074c56279c632b0c20024da6ecdd"}, {"url": "https://git.kernel.org/stable/c/64aa8b3a60a825134f7d866adf05c024bbe0c24c"}], "title": "drm: renesas: rz-du: mipi_dsi: fix kernel panic when rebooting for some panels", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "3cd7a71958c9f7f1def1a110e1ac98c022a554cd", "status": "affected", "version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "versionType": "git"}, {"lessThan": "ad9a3246e76b83cd19eb07088111a743a9558bcd", "status": "affected", "version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "versionType": "git"}, {"lessThan": "79f42487ed60d0d5ffce97c3bb98f80c3d17735a", "status": "affected", "version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "versionType": "git"}, {"lessThan": "41cda667ffc5074c56279c632b0c20024da6ecdd", "status": "affected", "version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "versionType": "git"}, {"lessThan": "64aa8b3a60a825134f7d866adf05c024bbe0c24c", "status": "affected", "version": "7a043f978ed1433bddb088a732e9bb91501ebd76", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/gpu/drm/renesas/rz-du/rzg2l_mipi_dsi.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.2"}, {"lessThan": "6.2", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.114", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.16", "versionType": "semver"}, {"lessThanOrEqual": "6.19.*", "status": "unaffected", "version": "6.19.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "40E6DAD9-881B-4BD4-B3F0-5D58086379A4", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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"}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\ndrm: renesas: rz-du: mipi_dsi: soluciona el kernel panic al reiniciar para algunos paneles\n\nDesde el commit 56de5e305d4b (\u2019clk: renesas: r9a07g044: A\u00f1ade MSTOP para RZ/G2L\u2019) podemos obtener el siguiente kernel panic, para algunos paneles, al reiniciar:\n\n systemd-shutdown[1]: Reiniciando.\n Rastreo de llamadas:\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\nEsto ocurre para paneles que necesitan enviar comandos MIPI-DSI en su funci\u00f3n de callback unprepare(). Dado que la interfaz MIPI-DSI se detiene en ese punto, rzg2l_mipi_dsi_host_transfer() dispara el kernel panic.\n\nSe soluciona moviendo rzg2l_mipi_dsi_stop() a la nueva funci\u00f3n de callback rzg2l_mipi_dsi_atomic_post_disable().\n\nCon este cambio ahora tenemos la secuencia correcta de apagado/parada:\n\n systemd-shutdown[1]: Reiniciando.\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: Reiniciando sistema"}], "id": "CVE-2026-43294", "lastModified": "2026-11-11T20:10:00.273", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-08T14:16:36.487", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3cd7a71958c9f7f1def1a110e1ac98c022a554cd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/41cda667ffc5074c56279c632b0c20024da6ecdd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/64aa8b3a60a825134f7d866adf05c024bbe0c24c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79f42487ed60d0d5ffce97c3bb98f80c3d17735a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ad9a3246e76b83cd19eb07088111a743a9558bcd"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm: renesas: rz-du: mipi_dsi: fix kernel panic when rebooting for some panels", "id": "2468106", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2468106"}, "csaw": false, "cwe": "CWE-841", "details": ["A flaw was found in the Linux kernel's MIPI-DSI driver. When a system with certain display panels is rebooted, the MIPI-DSI interface may stop prematurely. This can lead to a kernel panic, causing the system to crash and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-43294", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-08T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43294\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43294\nhttps://lore.kernel.org/linux-cve-announce/2026050854-CVE-2026-43294-8714@gregkh/T"]}

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