CVE-2026-90397

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-90397", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-11T19:38:34.811Z", "datePublished": "2026-09-17T16:09:28.967Z", "dateUpdated": "2026-10-21T12:51:27.984Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:51:27.984Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: qcom: scm: Fix NULL dereference in IRQ handler before __scm is published\n\nIn qcom_scm_probe(), devm_request_threaded_irq() is called before\nsmp_store_release(&__scm, scm). Two paths can dereference __scm before\nit is published, both causing a NULL pointer dereference.\n\nThe IRQ handler receives scm via its data argument but passes only wq_ctx\nto qcom_scm_waitq_wakeup() and qcom_scm_get_completion(), which then\ndereference __scm directly. Thread scm through both functions so the IRQ\nhandler path never touches __scm.\n\nNon-atomic SMC calls made during probe (e.g. from qcom_tzmem_init via\nqcom_scm_shm_bridge_enable) can return WAITQ_SLEEP, causing\nqcom_scm_wait_for_wq_completion() to run before __scm is published and\ndereference it. Add platform_set_drvdata(pdev, scm) early in probe and\nchange qcom_scm_wait_for_wq_completion() to take the device pointer and\nuse dev_get_drvdata() to reach scm, removing any dependency on __scm."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/firmware/qcom/qcom_scm-smc.c", "drivers/firmware/qcom/qcom_scm.c", "drivers/firmware/qcom/qcom_scm.h"], "versions": [{"version": "6bf32599223634294cdc6efb359ffaab1d68073c", "lessThan": "c9c1e3da0a206270e5df470ca1c82de52190d68c", "status": "affected", "versionType": "git"}, {"version": "6bf32599223634294cdc6efb359ffaab1d68073c", "lessThan": "b451f38cb7f5bca78484362347f039c08c94de95", "status": "affected", "versionType": "git"}, {"version": "6bf32599223634294cdc6efb359ffaab1d68073c", "lessThan": "1d753df5899ec356272d08bc4718e82844e4bdf0", "status": "affected", "versionType": "git"}, {"version": "6bf32599223634294cdc6efb359ffaab1d68073c", "lessThan": "f312ef5026678f14caf1378c5f7fffdf667f9c81", "status": "affected", "versionType": "git"}, {"version": "6bf32599223634294cdc6efb359ffaab1d68073c", "lessThan": "966d23c7e68ea32679275a7e3d2383181002c868", "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/firmware/qcom/qcom_scm-smc.c", "drivers/firmware/qcom/qcom_scm.c", "drivers/firmware/qcom/qcom_scm.h"], "versions": [{"version": "6.3", "status": "affected"}, {"version": "0", "lessThan": "6.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.110", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.52", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.6", "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": "6.3", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.12.110"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "6.18.52"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.2.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c9c1e3da0a206270e5df470ca1c82de52190d68c"}, {"url": "https://git.kernel.org/stable/c/b451f38cb7f5bca78484362347f039c08c94de95"}, {"url": "https://git.kernel.org/stable/c/1d753df5899ec356272d08bc4718e82844e4bdf0"}, {"url": "https://git.kernel.org/stable/c/f312ef5026678f14caf1378c5f7fffdf667f9c81"}, {"url": "https://git.kernel.org/stable/c/966d23c7e68ea32679275a7e3d2383181002c868"}], "title": "firmware: qcom: scm: Fix NULL dereference in IRQ handler before __scm is published", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/firmware/qcom/qcom_scm-smc.c", "drivers/firmware/qcom/qcom_scm.c", "drivers/firmware/qcom/qcom_scm.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "c9c1e3da0a206270e5df470ca1c82de52190d68c", "status": "affected", "version": "6bf32599223634294cdc6efb359ffaab1d68073c", "versionType": "git"}, {"lessThan": "b451f38cb7f5bca78484362347f039c08c94de95", "status": "affected", "version": "6bf32599223634294cdc6efb359ffaab1d68073c", "versionType": "git"}, {"lessThan": "1d753df5899ec356272d08bc4718e82844e4bdf0", "status": "affected", "version": "6bf32599223634294cdc6efb359ffaab1d68073c", "versionType": "git"}, {"lessThan": "f312ef5026678f14caf1378c5f7fffdf667f9c81", "status": "affected", "version": "6bf32599223634294cdc6efb359ffaab1d68073c", "versionType": "git"}, {"lessThan": "966d23c7e68ea32679275a7e3d2383181002c868", "status": "affected", "version": "6bf32599223634294cdc6efb359ffaab1d68073c", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/firmware/qcom/qcom_scm-smc.c", "drivers/firmware/qcom/qcom_scm.c", "drivers/firmware/qcom/qcom_scm.h"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.3"}, {"lessThan": "6.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.110", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.52", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfirmware: qcom: scm: Fix NULL dereference in IRQ handler before __scm is published\n\nIn qcom_scm_probe(), devm_request_threaded_irq() is called before\nsmp_store_release(&__scm, scm). Two paths can dereference __scm before\nit is published, both causing a NULL pointer dereference.\n\nThe IRQ handler receives scm via its data argument but passes only wq_ctx\nto qcom_scm_waitq_wakeup() and qcom_scm_get_completion(), which then\ndereference __scm directly. Thread scm through both functions so the IRQ\nhandler path never touches __scm.\n\nNon-atomic SMC calls made during probe (e.g. from qcom_tzmem_init via\nqcom_scm_shm_bridge_enable) can return WAITQ_SLEEP, causing\nqcom_scm_wait_for_wq_completion() to run before __scm is published and\ndereference it. Add platform_set_drvdata(pdev, scm) early in probe and\nchange qcom_scm_wait_for_wq_completion() to take the device pointer and\nuse dev_get_drvdata() to reach scm, removing any dependency on __scm."}], "id": "CVE-2026-90397", "lastModified": "2026-10-21T13:20:53.620", "metrics": {}, "published": "2026-09-17T17:17:39.417", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1d753df5899ec356272d08bc4718e82844e4bdf0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/966d23c7e68ea32679275a7e3d2383181002c868"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b451f38cb7f5bca78484362347f039c08c94de95"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c9c1e3da0a206270e5df470ca1c82de52190d68c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f312ef5026678f14caf1378c5f7fffdf667f9c81"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bf32599223634294cdc6efb359ffaab1d68073c,b451f38cb7f5bca78484362347f039c08c94de95)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bf32599223634294cdc6efb359ffaab1d68073c,1d753df5899ec356272d08bc4718e82844e4bdf0)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bf32599223634294cdc6efb359ffaab1d68073c,f312ef5026678f14caf1378c5f7fffdf667f9c81)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6bf32599223634294cdc6efb359ffaab1d68073c,966d23c7e68ea32679275a7e3d2383181002c868)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.3"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.3)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.110,6.13.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.52,6.19.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.6,7.3.0]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc1,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-19T05:15:10.868668+00:00", "updated": "2026-09-19T09:00:14.017529+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}