{"api_version":"1","generated_at":"2026-09-16T16:40:36+00:00","cve":"CVE-2026-89866","urls":{"html":"https://cve.report/CVE-2026-89866","api":"https://cve.report/api/cve/CVE-2026-89866.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-89866","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-89866"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-09-16 11:16:54","updated_at":"2026-09-16 11:16:54"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/a52e6f7923c17a672135b485ffd96fbd72f46267","name":"https://git.kernel.org/stable/c/a52e6f7923c17a672135b485ffd96fbd72f46267","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/2215e55ee1e5e69ad53862d968360c5aa63dd3a7","name":"https://git.kernel.org/stable/c/2215e55ee1e5e69ad53862d968360c5aa63dd3a7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-89866","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-89866","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9707a6254a8a6b978bde811a44fe07d86c229d1c 2215e55ee1e5e69ad53862d968360c5aa63dd3a7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 9707a6254a8a6b978bde811a44fe07d86c229d1c a52e6f7923c17a672135b485ffd96fbd72f46267 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.8","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.8 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.5 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2215e55ee1e5e69ad53862d968360c5aa63dd3a7","status":"affected","version":"9707a6254a8a6b978bde811a44fe07d86c229d1c","versionType":"git"},{"lessThan":"a52e6f7923c17a672135b485ffd96fbd72f46267","status":"affected","version":"9707a6254a8a6b978bde811a44fe07d86c229d1c","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.5","versionStartIncluding":"6.8","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3-rc1","versionStartIncluding":"6.8","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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()."}],"providerMetadata":{"dateUpdated":"2026-09-16T10:31:36.480Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/2215e55ee1e5e69ad53862d968360c5aa63dd3a7"},{"url":"https://git.kernel.org/stable/c/a52e6f7923c17a672135b485ffd96fbd72f46267"}],"title":"media: chips-media: wave5: Resume device before setting EOS flag","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-89866","datePublished":"2026-09-16T10:31:36.480Z","dateReserved":"2026-09-11T19:38:34.771Z","dateUpdated":"2026-09-16T10:31:36.480Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-09-16 11:16:54","lastModifiedDate":"2026-09-16 11:16:54","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"89866","Ordinal":"1","Title":"media: chips-media: wave5: Resume device before setting EOS flag","CVE":"CVE-2026-89866","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"89866","Ordinal":"1","NoteData":"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().","Type":"Description","Title":"media: chips-media: wave5: Resume device before setting EOS flag"}]}}}