{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43257", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.996Z", "datePublished": "2026-05-06T11:28:45.872Z", "dateUpdated": "2026-05-11T22:21:03.247Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:21:03.247Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx88: Add missing unmap in snd_cx88_hw_params()\n\nIn error path, add cx88_alsa_dma_unmap() to release\nresource acquired by cx88_alsa_dma_map()."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/pci/cx88/cx88-alsa.c"], "versions": [{"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "f0d7f735eba963742009b0706e19dd0bed91537a", "status": "affected", "versionType": "git"}, {"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "dc911fccc6e08ef46a66b2a42a764252b001ee3c", "status": "affected", "versionType": "git"}, {"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "24f3dabeb97bd0bec8c1c926c97e3eb6a8129225", "status": "affected", "versionType": "git"}, {"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "10ab64f8efc2f479293dce929fde326c285fc96f", "status": "affected", "versionType": "git"}, {"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "e3fb15aadfc8643203bbdf97ace0396e4586fa64", "status": "affected", "versionType": "git"}, {"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "1ce8c2a8f050a23240553c8bae628ac623f9dbc1", "status": "affected", "versionType": "git"}, {"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "3baefeeb7b85e1e34eebef399ffa312be7179e30", "status": "affected", "versionType": "git"}, {"version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "dbc527d980f7ba8559de38f8c1e4158c71a78915", "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/pci/cx88/cx88-alsa.c"], "versions": [{"version": "3.19", "status": "affected"}, {"version": "0", "lessThan": "3.19", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.252", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.202", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.165", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.128", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.75", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.16", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.19.6", "lessThanOrEqual": "6.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0", "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": "3.19", "versionEndExcluding": "5.10.252"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "5.15.202"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.1.165"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.6.128"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.12.75"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.18.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "6.19.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.19", "versionEndExcluding": "7.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f0d7f735eba963742009b0706e19dd0bed91537a"}, {"url": "https://git.kernel.org/stable/c/dc911fccc6e08ef46a66b2a42a764252b001ee3c"}, {"url": "https://git.kernel.org/stable/c/24f3dabeb97bd0bec8c1c926c97e3eb6a8129225"}, {"url": "https://git.kernel.org/stable/c/10ab64f8efc2f479293dce929fde326c285fc96f"}, {"url": "https://git.kernel.org/stable/c/e3fb15aadfc8643203bbdf97ace0396e4586fa64"}, {"url": "https://git.kernel.org/stable/c/1ce8c2a8f050a23240553c8bae628ac623f9dbc1"}, {"url": "https://git.kernel.org/stable/c/3baefeeb7b85e1e34eebef399ffa312be7179e30"}, {"url": "https://git.kernel.org/stable/c/dbc527d980f7ba8559de38f8c1e4158c71a78915"}], "title": "media: cx88: Add missing unmap in snd_cx88_hw_params()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "217AE240-3291-4820-A433-3776CA507BED", "versionEndExcluding": "5.10.252", "versionStartIncluding": "3.19", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671", "versionEndExcluding": "5.15.202", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx88: Add missing unmap in snd_cx88_hw_params()\n\nIn error path, add cx88_alsa_dma_unmap() to release\nresource acquired by cx88_alsa_dma_map()."}], "id": "CVE-2026-43257", "lastModified": "2026-05-11T18:16:01.917", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-06T12:16:46.520", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/10ab64f8efc2f479293dce929fde326c285fc96f"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1ce8c2a8f050a23240553c8bae628ac623f9dbc1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/24f3dabeb97bd0bec8c1c926c97e3eb6a8129225"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3baefeeb7b85e1e34eebef399ffa312be7179e30"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dbc527d980f7ba8559de38f8c1e4158c71a78915"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/dc911fccc6e08ef46a66b2a42a764252b001ee3c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/e3fb15aadfc8643203bbdf97ace0396e4586fa64"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f0d7f735eba963742009b0706e19dd0bed91537a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-772"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: media: cx88: Add missing unmap in snd_cx88_hw_params()", "id": "2467193", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467193"}, "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-772", "details": ["A flaw was found in the Linux kernel's cx88 media driver. This issue stems from a missing resource deallocation in the snd_cx88_hw_params() function during error handling. This could allow a local attacker to cause a resource leak, potentially leading to system instability or a denial of service (DoS)."], "name": "CVE-2026-43257", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "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": "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": "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": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43257\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43257\nhttps://lore.kernel.org/linux-cve-announce/2026050605-CVE-2026-43257-e76e@gregkh/T"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,f0d7f735eba963742009b0706e19dd0bed91537a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,dc911fccc6e08ef46a66b2a42a764252b001ee3c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,24f3dabeb97bd0bec8c1c926c97e3eb6a8129225)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,10ab64f8efc2f479293dce929fde326c285fc96f)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,e3fb15aadfc8643203bbdf97ace0396e4586fa64)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,1ce8c2a8f050a23240553c8bae628ac623f9dbc1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,3baefeeb7b85e1e34eebef399ffa312be7179e30)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[b2c75abde0debfb824f72845c3ed77d4b66798a0,dbc527d980f7ba8559de38f8c1e4158c71a78915)"}}], "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": "[3.19,3.19]"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.19)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.10.252,5.11.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.202,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.165,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.128,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.75,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.16,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.19.6,6.20.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,*]"}}], "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": "2026-05-06T14:30:05.884939+00:00", "updated": "2026-05-07T15:30:06.380554+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}