CVE-2026-43257

In the Linux kernel, the following vulnerability has been resolved: media: cx88: Add missing unmap in snd_cx88_hw_params() In error path, add cx88_alsa_dma_unmap() to release resource acquired by cx88_alsa_dma_map().

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/10ab64f8efc2f479293dce929fde326c285fc96f	Patch
https://git.kernel.org/stable/c/1ce8c2a8f050a23240553c8bae628ac623f9dbc1	Patch
https://git.kernel.org/stable/c/24f3dabeb97bd0bec8c1c926c97e3eb6a8129225	Patch
https://git.kernel.org/stable/c/3baefeeb7b85e1e34eebef399ffa312be7179e30	Patch
https://git.kernel.org/stable/c/dbc527d980f7ba8559de38f8c1e4158c71a78915	Patch
https://git.kernel.org/stable/c/dc911fccc6e08ef46a66b2a42a764252b001ee3c	Patch
https://git.kernel.org/stable/c/e3fb15aadfc8643203bbdf97ace0396e4586fa64	Patch
https://git.kernel.org/stable/c/f0d7f735eba963742009b0706e19dd0bed91537a	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

11 Nov 2026, 20:10

Type	Values Removed	Values Added
Summary		(es) En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta: media: cx88: Añadir desmapeo faltante en snd_cx88_hw_params() En la ruta de error, añadir cx88_alsa_dma_unmap() para liberar el recurso adquirido por cx88_alsa_dma_map().

Information

Published : 2026-05-06 12:16

Updated : 2026-11-11 20:10

NVD link : CVE-2026-43257

Mitre link : CVE-2026-43257

CVE.ORG link : CVE-2026-43257

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-772

Missing Release of Resource after Effective Lifetime

{"id": "CVE-2026-43257", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-43257", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-11-06T15:31:37.833374Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "f0d7f735eba963742009b0706e19dd0bed91537a", "versionType": "git"}, {"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "dc911fccc6e08ef46a66b2a42a764252b001ee3c", "versionType": "git"}, {"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "24f3dabeb97bd0bec8c1c926c97e3eb6a8129225", "versionType": "git"}, {"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "10ab64f8efc2f479293dce929fde326c285fc96f", "versionType": "git"}, {"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "e3fb15aadfc8643203bbdf97ace0396e4586fa64", "versionType": "git"}, {"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "1ce8c2a8f050a23240553c8bae628ac623f9dbc1", "versionType": "git"}, {"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "3baefeeb7b85e1e34eebef399ffa312be7179e30", "versionType": "git"}, {"status": "affected", "version": "b2c75abde0debfb824f72845c3ed77d4b66798a0", "lessThan": "dbc527d980f7ba8559de38f8c1e4158c71a78915", "versionType": "git"}], "programFiles": ["drivers/media/pci/cx88/cx88-alsa.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "3.19"}, {"status": "unaffected", "version": "0", "lessThan": "3.19", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.252", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.202", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.165", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.128", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.75", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.16", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "6.19.6", "versionType": "semver", "lessThanOrEqual": "6.19.*"}, {"status": "unaffected", "version": "7.0", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/media/pci/cx88/cx88-alsa.c"], "defaultStatus": "affected"}]}], "published": "2026-05-06T12:16:46.520", "references": [{"url": "https://git.kernel.org/stable/c/10ab64f8efc2f479293dce929fde326c285fc96f", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/1ce8c2a8f050a23240553c8bae628ac623f9dbc1", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/24f3dabeb97bd0bec8c1c926c97e3eb6a8129225", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3baefeeb7b85e1e34eebef399ffa312be7179e30", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dbc527d980f7ba8559de38f8c1e4158c71a78915", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/dc911fccc6e08ef46a66b2a42a764252b001ee3c", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/e3fb15aadfc8643203bbdf97ace0396e4586fa64", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/f0d7f735eba963742009b0706e19dd0bed91537a", "tags": ["Patch"], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-772"}]}], "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()."}, {"lang": "es", "value": "En el kernel de Linux, la siguiente vulnerabilidad ha sido resuelta:\n\nmedia: cx88: A\u00f1adir desmapeo faltante en snd_cx88_hw_params()\n\nEn la ruta de error, a\u00f1adir cx88_alsa_dma_unmap() para liberar el recurso adquirido por cx88_alsa_dma_map()."}], "lastModified": "2026-11-11T20:10:00.273", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "217AE240-3291-4820-A433-3776CA507BED", "versionEndExcluding": "5.10.252", "versionStartIncluding": "3.19"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671", "versionEndExcluding": "5.15.202", "versionStartIncluding": "5.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.16"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}