{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-89866", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.771Z", "datePublished": "2026-09-16T10:31:36.480Z", "dateUpdated": "2026-10-19T08:53:59.539Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T08:53:59.539Z" }, "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()." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c" ], "versions": [ { "version": "9707a6254a8a6b978bde811a44fe07d86c229d1c", "lessThan": "56c2c5ad35614ca5ae23838d6af5d7f59e3124dc", "status": "affected", "versionType": "git" }, { "version": "9707a6254a8a6b978bde811a44fe07d86c229d1c", "lessThan": "2215e55ee1e5e69ad53862d968360c5aa63dd3a7", "status": "affected", "versionType": "git" }, { "version": "9707a6254a8a6b978bde811a44fe07d86c229d1c", "lessThan": "a52e6f7923c17a672135b485ffd96fbd72f46267", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/media/platform/chips-media/wave5/wave5-vpu-dec.c" ], "versions": [ { "version": "6.8", "status": "affected" }, { "version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver" }, { "version": "6.18.57", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.2.5", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "7.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.18.57" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.2.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "7.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/56c2c5ad35614ca5ae23838d6af5d7f59e3124dc" }, { "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" } } } }