{"id":"CVE-2026-89866","summary":"media: chips-media: wave5: Resume device before setting EOS flag","details":"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().","modified":"2026-09-18T03:48:33.478473251Z","published":"2026-09-16T10:31:36.480Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89866.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/2215e55ee1e5e69ad53862d968360c5aa63dd3a7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/a52e6f7923c17a672135b485ffd96fbd72f46267"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89866.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89866"},{"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":"9707a6254a8a6b978bde811a44fe07d86c229d1c"},{"fixed":"2215e55ee1e5e69ad53862d968360c5aa63dd3a7"},{"fixed":"a52e6f7923c17a672135b485ffd96fbd72f46267"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89866.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.8.0"},{"fixed":"7.2.5"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89866.json"}}],"schema_version":"1.9.0"}