{"id":24553,"date":"2026-09-16T20:32:28","date_gmt":"2026-09-16T12:32:28","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89866"},"modified":"2026-09-16T20:32:28","modified_gmt":"2026-09-16T12:32:28","slug":"cve-2026-89866","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-89866","title":{"rendered":"CVE-2026-89866 &#8211; In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: chips-media: w"},"content":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>media: chips-media: wave5: Resume device before setting EOS flag<\/p>\n<p>Setting the EOS flag talks to the firmware via send_firmware_command(),<br \/>\nwhich accesses VPU registers. Both the STREAMOFF path<br \/>\n(wave5_vpu_dec_job_abort()) and the V4L2_DEC_CMD_STOP path<br \/>\n(wave5_vpu_dec_stop()) can run while the device is runtime suspended, so<br \/>\nthose register accesses hit powered-down hardware and the SoC raises an<br \/>\nasynchronous SError, panicking the kernel:<\/p>\n<p>  SError Interrupt on CPU3, code 0x00000000bf000000 &#8212; SError<br \/>\n   send_firmware_command+0x2c\/0x160 [wave5]<br \/>\n   wave5_vpu_dec_set_bitstream_flag+0x6c\/0x80 [wave5]<br \/>\n   wave5_vpu_dec_update_bitstream_buffer+0x80\/0xec [wave5]<br \/>\n   wave5_vpu_dec_job_abort+0x44\/0xa0 [wave5]<br \/>\n   v4l2_m2m_cancel_job+0x110\/0x19c [v4l2_mem2mem]<br \/>\n   v4l2_m2m_streamoff+0x24\/0x140 [v4l2_mem2mem]<\/p>\n<p>Resume the device with pm_runtime_resume_and_get() around the EOS<br \/>\nfirmware command and release it with pm_runtime_put_autosuspend(),<br \/>\nmatching the runtime PM handling already done in<br \/>\nwave5_vpu_dec_device_run().<\/p>\n","protected":false},"excerpt":{"rendered":"<p>In the Linux kernel, the following vulnerability has been resolved:<\/p>\n<p>media: chips-media: wave5: Resume device before setting EOS flag<\/p>\n<p>Setting the EOS flag talks to the firmware via send_firmware_comm<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-24553","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/24553","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24553"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24553"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24553"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}