{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64486", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.792Z", "datePublished": "2026-07-25T08:51:45.982Z", "dateUpdated": "2026-07-25T08:51:45.982Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-25T08:51:45.982Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: cmipci: check snd_ctl_new1() return value\n\nsnd_ctl_new1() can return NULL when memory allocation fails.\nsnd_cmipci_spdif_controls() does not check the return value before\ndereferencing kctl->id.device, which can lead to a NULL pointer\ndereference.\n\nAdd NULL checks after snd_ctl_new1() calls and return -ENOMEM if any\nfails."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/pci/cmipci.c"], "versions": [{"version": "3454490e0396191f8f9c215fccf5deef76abffb5", "lessThan": "b44888c33c4f11277d0e5e023338f2740232a4ed", "status": "affected", "versionType": "git"}, {"version": "f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9", "lessThan": "8825a06bfa7932a7a74dec01669d405df0b47286", "status": "affected", "versionType": "git"}, {"version": "f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9", "lessThan": "4dd5b0b1a52a8d6e59a3f217204817228ce0238b", "status": "affected", "versionType": "git"}, {"version": "f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9", "lessThan": "af2b009b773bc42995546507963e5e78970dc3ed", "status": "affected", "versionType": "git"}, {"version": "f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9", "lessThan": "67e9ea92cd598cba1783ff701553c776a6cedee9", "status": "affected", "versionType": "git"}, {"version": "f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9", "lessThan": "c205bd1b28fb7e5f1061a4e78813fad7d315cb3e", "status": "affected", "versionType": "git"}, {"version": "7bf12707fa3db4c14fbe8ab93efb421d8ca93bf8", "status": "affected", "versionType": "git"}, {"version": "6.1.34", "lessThan": "6.1.178", "status": "affected", "versionType": "semver"}, {"version": "6.3.8", "lessThan": "6.4", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/pci/cmipci.c"], "versions": [{"version": "6.4", "status": "affected"}, {"version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.96", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.39", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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": "6.1.34", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.12.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.18.39"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "7.2-rc1"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3.8"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/b44888c33c4f11277d0e5e023338f2740232a4ed"}, {"url": "https://git.kernel.org/stable/c/8825a06bfa7932a7a74dec01669d405df0b47286"}, {"url": "https://git.kernel.org/stable/c/4dd5b0b1a52a8d6e59a3f217204817228ce0238b"}, {"url": "https://git.kernel.org/stable/c/af2b009b773bc42995546507963e5e78970dc3ed"}, {"url": "https://git.kernel.org/stable/c/67e9ea92cd598cba1783ff701553c776a6cedee9"}, {"url": "https://git.kernel.org/stable/c/c205bd1b28fb7e5f1061a4e78813fad7d315cb3e"}], "title": "ALSA: cmipci: check snd_ctl_new1() return value", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{}

{"bugzilla": {"description": "kernel: ALSA: cmipci: check snd_ctl_new1() return value", "id": "2507155", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507155"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["A flaw was found in the Linux kernel's Advanced Linux Sound Architecture (ALSA) cmipci component. This vulnerability occurs because the `snd_cmipci_spdif_controls()` function fails to check the return value of `snd_ctl_new1()`, which can return a null pointer if memory allocation fails. A local attacker could exploit this to trigger a null pointer dereference, leading to a system crash and a denial of service (DoS)."], "name": "CVE-2026-64486", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64486\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64486\nhttps://lore.kernel.org/linux-cve-announce/2026072549-CVE-2026-64486-a656@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[3454490e0396191f8f9c215fccf5deef76abffb5,b44888c33c4f11277d0e5e023338f2740232a4ed)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9,8825a06bfa7932a7a74dec01669d405df0b47286)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9,4dd5b0b1a52a8d6e59a3f217204817228ce0238b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9,af2b009b773bc42995546507963e5e78970dc3ed)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9,67e9ea92cd598cba1783ff701553c776a6cedee9)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[f2f312ad88c68a7f4a7789b9269ae33af3c7c7e9,c205bd1b28fb7e5f1061a4e78813fad7d315cb3e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "7bf12707fa3db4c14fbe8ab93efb421d8ca93bf8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.1.34,6.1.178)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[6.3.8,6.4)"}}], "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": "semver", "value": "6.4"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.4)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.96,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.39,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "7.2-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": "2026-07-25T20:45:02.441409+00:00", "updated": "2026-07-30T02:45:10.794074+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-476"]}