{"id":"CVE-2022-49483","summary":"drm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/disp/dpu1: avoid clearing hw interrupts if hw_intr is null during drm uninit\n\nIf edp modeset init is failed due to panel being not ready and\nprobe defers during drm bind, avoid clearing irqs and dereference\nhw_intr when hw_intr is null.\n\nBUG: Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n\nCall trace:\n dpu_core_irq_uninstall+0x50/0xb0\n dpu_irq_uninstall+0x18/0x24\n msm_drm_uninit+0xd8/0x16c\n msm_drm_bind+0x580/0x5fc\n try_to_bring_up_master+0x168/0x1c0\n __component_add+0xb4/0x178\n component_add+0x1c/0x28\n dp_display_probe+0x38c/0x400\n platform_probe+0xb0/0xd0\n really_probe+0xcc/0x2c8\n __driver_probe_device+0xbc/0xe8\n driver_probe_device+0x48/0xf0\n __device_attach_driver+0xa0/0xc8\n bus_for_each_drv+0x8c/0xd8\n __device_attach+0xc4/0x150\n device_initial_probe+0x1c/0x28\n\nChanges in V2:\n- Update commit message and coreect fixes tag.\n\nPatchwork: https://patchwork.freedesktop.org/patch/484430/","modified":"2026-05-18T05:55:17.724838202Z","published":"2025-02-26T02:13:22.779Z","related":["SUSE-SU-2025:1176-1","SUSE-SU-2025:1241-1"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49483.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/01013ba9bbddc62f7d011163cebfd7ed06bb698b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a7ca30c3a8b2e8bda65f2b922d382ac056be8aa4"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a800701429313149afde18d98821554fbfcb3164"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/49xxx/CVE-2022-49483.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-49483"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"f25f656608e3a54ac3e0747be415cf3d4a69cef8"},{"fixed":"a7ca30c3a8b2e8bda65f2b922d382ac056be8aa4"},{"fixed":"a800701429313149afde18d98821554fbfcb3164"},{"fixed":"01013ba9bbddc62f7d011163cebfd7ed06bb698b"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49483.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"5.17.14"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.18.0"},{"fixed":"5.18.3"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2022-49483.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}