{"id":"CVE-2026-89866","revision":"1bca3bf2d67f4a84992356c36f07fda5","records":[{"revision":"1bca3bf2d67f4a84992356c36f07fda5","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-89866","aliases":[],"title":"media: chips-media: wave5: Resume device before setting EOS flag","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: chips-media: wave5: Resume device before setting EOS flag\n\nSetting the EOS flag talks to the firmware via send_firmware_command(),\nwhich accesses VPU registers. Both the STREAMOFF path\n(wave5_vpu_dec_job_abort()) and the V4L2_DEC_CMD_STOP path\n(wave5_vpu_dec_stop()) can run while the device is runtime suspended, so\nthose register accesses hit powered-down hardware and the SoC raises an\nasynchronous SError, panicking the kernel:\n\n  SError Interrupt on CPU3, code 0x00000000bf000000 -- SError\n   send_firmware_command+0x2c/0x160 [wave5]\n   wave5_vpu_dec_set_bitstream_flag+0x6c/0x80 [wave5]\n   wave5_vpu_dec_update_bitstream_buffer+0x80/0xec [wave5]\n   wave5_vpu_dec_job_abort+0x44/0xa0 [wave5]\n   v4l2_m2m_cancel_job+0x110/0x19c [v4l2_mem2mem]\n   v4l2_m2m_streamoff+0x24/0x140 [v4l2_mem2mem]\n\nResume the device with pm_runtime_resume_and_get() around the EOS\nfirmware command and release it with pm_runtime_put_autosuspend(),\nmatching the runtime PM handling already done in\nwave5_vpu_dec_device_run().","state":0,"publishedAt":"2026-09-16T10:31:36.48+00:00","modifiedAt":"2026-10-19T08:53:59.539+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/media/platform/chips-media/wave5/wave5-vpu-dec.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"9707a6254a8a6b978bde811a44fe07d86c229d1c\",\n                            \"lessThan\": \"56c2c5ad35614ca5ae23838d6af5d7f59e3124dc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9707a6254a8a6b978bde811a44fe07d86c229d1c\",\n                            \"lessThan\": \"2215e55ee1e5e69ad53862d968360c5aa63dd3a7\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"9707a6254a8a6b978bde811a44fe07d86c229d1c\",\n                            \"lessThan\": \"a52e6f7923c17a672135b485ffd96fbd72f46267\",\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/media/platform/chips-media/wave5/wave5-vpu-dec.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.8\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.8\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.57\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.5\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/56c2c5ad35614ca5ae23838d6af5d7f59e3124dc","https://git.kernel.org/stable/c/2215e55ee1e5e69ad53862d968360c5aa63dd3a7","https://git.kernel.org/stable/c/a52e6f7923c17a672135b485ffd96fbd72f46267"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-89866","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-89866","identifiers":["CVE-2026-89866"]},"retained":false,"historicalAffected":[]}],"coverage":[]}