CVE-2026-72257

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-72257", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-09T03:40:39.915Z", "datePublished": "2026-08-15T05:54:44.448Z", "dateUpdated": "2026-08-17T05:11:15.758Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:11:15.758Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: qcom: q6apm: fix NULL pointer dereference in graph_callback\n\nWhen q6apm_free_fragments() is called it frees rx_data.buf/tx_data.buf\nand sets them to NULL under graph->lock. A late DSP buffer-done response\ncan race with this: graph_callback() passes the !graph->ar_graph guard\n(not yet NULL), acquires the lock, but then dereferences a now-NULL buf\npointer to read buf[token].phys, crashing at virtual address 0x10.\n\nAdd a NULL check for buf inside the mutex-protected section in both the\nwrite-done (DATA_CMD_RSP_WR_SH_MEM_EP_DATA_BUFFER_DONE_V2) and\nread-done (DATA_CMD_RSP_RD_SH_MEM_EP_DATA_BUFFER_V2) handlers and bail\nout cleanly if buffers have already been freed.\n\nThis problem is only shown up recently while apr bus was updated to\nprocess the commands per service rather from single global queue."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/qcom/qdsp6/q6apm.c"], "versions": [{"version": "5477518b8a0e8a45239646acd80c9bafc4401522", "lessThan": "a164e744d8de1c41049bd9a1452a4b6bbf5bd8bc", "status": "affected", "versionType": "git"}, {"version": "5477518b8a0e8a45239646acd80c9bafc4401522", "lessThan": "ec369eac0795cfa8f4d3a0cd35a1e8e15f780331", "status": "affected", "versionType": "git"}, {"version": "5477518b8a0e8a45239646acd80c9bafc4401522", "lessThan": "2c715f8a1e644ce4c3e8be5b0fd3f1f4704b73b3", "status": "affected", "versionType": "git"}, {"version": "5477518b8a0e8a45239646acd80c9bafc4401522", "lessThan": "ca028334343a140efda4b22e53cbce2c5e94a489", "status": "affected", "versionType": "git"}, {"version": "5477518b8a0e8a45239646acd80c9bafc4401522", "lessThan": "214af790e3a33ab73587de4c925c60a550eae9c6", "status": "affected", "versionType": "git"}, {"version": "5477518b8a0e8a45239646acd80c9bafc4401522", "lessThan": "2e9261761b35f0b67b7487688cd1365f535be0b3", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["sound/soc/qcom/qdsp6/q6apm.c"], "versions": [{"version": "5.16", "status": "affected"}, {"version": "0", "lessThan": "5.16", "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": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.5", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.16", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.1.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.16", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/a164e744d8de1c41049bd9a1452a4b6bbf5bd8bc"}, {"url": "https://git.kernel.org/stable/c/ec369eac0795cfa8f4d3a0cd35a1e8e15f780331"}, {"url": "https://git.kernel.org/stable/c/2c715f8a1e644ce4c3e8be5b0fd3f1f4704b73b3"}, {"url": "https://git.kernel.org/stable/c/ca028334343a140efda4b22e53cbce2c5e94a489"}, {"url": "https://git.kernel.org/stable/c/214af790e3a33ab73587de4c925c60a550eae9c6"}, {"url": "https://git.kernel.org/stable/c/2e9261761b35f0b67b7487688cd1365f535be0b3"}], "title": "ASoC: qcom: q6apm: fix NULL pointer dereference in graph_callback", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["sound/soc/qcom/qdsp6/q6apm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "a164e744d8de1c41049bd9a1452a4b6bbf5bd8bc", "status": "affected", "version": "5477518b8a0e8a45239646acd80c9bafc4401522", "versionType": "git"}, {"lessThan": "ec369eac0795cfa8f4d3a0cd35a1e8e15f780331", "status": "affected", "version": "5477518b8a0e8a45239646acd80c9bafc4401522", "versionType": "git"}, {"lessThan": "2c715f8a1e644ce4c3e8be5b0fd3f1f4704b73b3", "status": "affected", "version": "5477518b8a0e8a45239646acd80c9bafc4401522", "versionType": "git"}, {"lessThan": "ca028334343a140efda4b22e53cbce2c5e94a489", "status": "affected", "version": "5477518b8a0e8a45239646acd80c9bafc4401522", "versionType": "git"}, {"lessThan": "214af790e3a33ab73587de4c925c60a550eae9c6", "status": "affected", "version": "5477518b8a0e8a45239646acd80c9bafc4401522", "versionType": "git"}, {"lessThan": "2e9261761b35f0b67b7487688cd1365f535be0b3", "status": "affected", "version": "5477518b8a0e8a45239646acd80c9bafc4401522", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["sound/soc/qcom/qdsp6/q6apm.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"lessThan": "5.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\nASoC: qcom: q6apm: fix NULL pointer dereference in graph_callback\n\nWhen q6apm_free_fragments() is called it frees rx_data.buf/tx_data.buf\nand sets them to NULL under graph->lock. A late DSP buffer-done response\ncan race with this: graph_callback() passes the !graph->ar_graph guard\n(not yet NULL), acquires the lock, but then dereferences a now-NULL buf\npointer to read buf[token].phys, crashing at virtual address 0x10.\n\nAdd a NULL check for buf inside the mutex-protected section in both the\nwrite-done (DATA_CMD_RSP_WR_SH_MEM_EP_DATA_BUFFER_DONE_V2) and\nread-done (DATA_CMD_RSP_RD_SH_MEM_EP_DATA_BUFFER_V2) handlers and bail\nout cleanly if buffers have already been freed.\n\nThis problem is only shown up recently while apr bus was updated to\nprocess the commands per service rather from single global queue."}], "id": "CVE-2026-72257", "lastModified": "2026-08-17T06:18:28.020", "metrics": {}, "published": "2026-08-15T06:21:53.527", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/214af790e3a33ab73587de4c925c60a550eae9c6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c715f8a1e644ce4c3e8be5b0fd3f1f4704b73b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2e9261761b35f0b67b7487688cd1365f535be0b3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a164e744d8de1c41049bd9a1452a4b6bbf5bd8bc"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ca028334343a140efda4b22e53cbce2c5e94a489"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ec369eac0795cfa8f4d3a0cd35a1e8e15f780331"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ASoC: qcom: q6apm: fix NULL pointer dereference in graph_callback", "id": "2516332", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2516332"}, "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 ASoC (Advanced Linux Sound Architecture System on Chip) qcom q6apm component. A race condition can occur when the q6apm_free_fragments() function frees audio buffers while graph_callback() attempts to access a freed buffer due to a late Digital Signal Processor (DSP) response. This can lead to a NULL pointer dereference, causing the system to crash and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-72257", "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": "Not affected", "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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-15T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-72257\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-72257\nhttps://lore.kernel.org/linux-cve-announce/2026081554-CVE-2026-72257-6572@gregkh/T"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5477518b8a0e8a45239646acd80c9bafc4401522,a164e744d8de1c41049bd9a1452a4b6bbf5bd8bc)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5477518b8a0e8a45239646acd80c9bafc4401522,ec369eac0795cfa8f4d3a0cd35a1e8e15f780331)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5477518b8a0e8a45239646acd80c9bafc4401522,2c715f8a1e644ce4c3e8be5b0fd3f1f4704b73b3)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5477518b8a0e8a45239646acd80c9bafc4401522,ca028334343a140efda4b22e53cbce2c5e94a489)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5477518b8a0e8a45239646acd80c9bafc4401522,214af790e3a33ab73587de4c925c60a550eae9c6)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[5477518b8a0e8a45239646acd80c9bafc4401522,2e9261761b35f0b67b7487688cd1365f535be0b3)"}}], "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": "5.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,5.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.1.178,6.1.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.6.145,6.6.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.12.97,6.12.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[6.18.40,6.18.*]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.1.5,7.1.*]"}}, {"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": "2026-08-15T18:00:11.035436+00:00", "updated": "2026-08-22T11:45:03.557371+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}