{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68226", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.376Z", "datePublished": "2026-08-10T12:00:48.349Z", "dateUpdated": "2026-08-10T12:00:48.349Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-10T12:00:48.349Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: cx23885: add ioremap return check and cleanup\n\nAdd a check for the return value of pci_ioremap_bar()\nin cx23885_dev_setup().\nIf ioremap for BAR0 fails, release the already allocated\nPCI memory region,\ndecrement the device count, and return -ENODEV.\n\nThis prevents a potential null pointer dereference and\nensures proper cleanup\non memory mapping failure."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/media/pci/cx23885/cx23885-core.c"], "versions": [{"version": "d19770e5178a4bc49641711246360c25781d20a4", "lessThan": "8fbdca4c99f68734e9b6c030973fb61a11bede15", "status": "affected", "versionType": "git"}, {"version": "d19770e5178a4bc49641711246360c25781d20a4", "lessThan": "83540d86d717735b52a43e4ba1b784da5cc2310a", "status": "affected", "versionType": "git"}, {"version": "d19770e5178a4bc49641711246360c25781d20a4", "lessThan": "c68c4ce72feb6fcccc843eb3baa7af60189ed567", "status": "affected", "versionType": "git"}, {"version": "d19770e5178a4bc49641711246360c25781d20a4", "lessThan": "ff3c670a1de3a714f5644e37b9446fe7c3299fd3", "status": "affected", "versionType": "git"}, {"version": "d19770e5178a4bc49641711246360c25781d20a4", "lessThan": "a0701e387b46e2481c05b47f1235b954bfc2af3e", "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/cx23885/cx23885-core.c"], "versions": [{"version": "2.6.24", "status": "affected"}, {"version": "0", "lessThan": "2.6.24", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.148", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "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": "2.6.24", "versionEndExcluding": "6.6.148"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.24", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/8fbdca4c99f68734e9b6c030973fb61a11bede15"}, {"url": "https://git.kernel.org/stable/c/83540d86d717735b52a43e4ba1b784da5cc2310a"}, {"url": "https://git.kernel.org/stable/c/c68c4ce72feb6fcccc843eb3baa7af60189ed567"}, {"url": "https://git.kernel.org/stable/c/ff3c670a1de3a714f5644e37b9446fe7c3299fd3"}, {"url": "https://git.kernel.org/stable/c/a0701e387b46e2481c05b47f1235b954bfc2af3e"}], "title": "media: cx23885: add ioremap return check and cleanup", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/media/pci/cx23885/cx23885-core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "8fbdca4c99f68734e9b6c030973fb61a11bede15", "status": "affected", "version": "d19770e5178a4bc49641711246360c25781d20a4", "versionType": "git"}, {"lessThan": "83540d86d717735b52a43e4ba1b784da5cc2310a", "status": "affected", "version": "d19770e5178a4bc49641711246360c25781d20a4", "versionType": "git"}, {"lessThan": "c68c4ce72feb6fcccc843eb3baa7af60189ed567", "status": "affected", "version": "d19770e5178a4bc49641711246360c25781d20a4", "versionType": "git"}, {"lessThan": "ff3c670a1de3a714f5644e37b9446fe7c3299fd3", "status": "affected", "version": "d19770e5178a4bc49641711246360c25781d20a4", "versionType": "git"}, {"lessThan": "a0701e387b46e2481c05b47f1235b954bfc2af3e", "status": "affected", "version": "d19770e5178a4bc49641711246360c25781d20a4", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/media/pci/cx23885/cx23885-core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "2.6.24"}, {"lessThan": "2.6.24", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.148", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.101", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.42", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2-rc1", "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\nmedia: cx23885: add ioremap return check and cleanup\n\nAdd a check for the return value of pci_ioremap_bar()\nin cx23885_dev_setup().\nIf ioremap for BAR0 fails, release the already allocated\nPCI memory region,\ndecrement the device count, and return -ENODEV.\n\nThis prevents a potential null pointer dereference and\nensures proper cleanup\non memory mapping failure."}], "id": "CVE-2026-68226", "lastModified": "2026-08-10T13:20:10.793", "metrics": {}, "published": "2026-08-10T13:20:10.793", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/83540d86d717735b52a43e4ba1b784da5cc2310a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8fbdca4c99f68734e9b6c030973fb61a11bede15"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a0701e387b46e2481c05b47f1235b954bfc2af3e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c68c4ce72feb6fcccc843eb3baa7af60189ed567"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff3c670a1de3a714f5644e37b9446fe7c3299fd3"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: media: cx23885: add ioremap return check and cleanup", "id": "2513467", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513467"}, "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": ["In the Linux kernel, the following vulnerability has been resolved:\nmedia: cx23885: add ioremap return check and cleanup\nAdd a check for the return value of pci_ioremap_bar()\nin cx23885_dev_setup().\nIf ioremap for BAR0 fails, release the already allocated\nPCI memory region,\ndecrement the device count, and return -ENODEV.\nThis prevents a potential null pointer dereference and\nensures proper cleanup\non memory mapping failure.", "A flaw was found in the Linux kernel's `cx23885` media driver. A local attacker could potentially trigger a null pointer dereference by causing the `pci_ioremap_bar()` function to fail during memory mapping in `cx23885_dev_setup()`. This vulnerability could lead to a system crash, resulting in a Denial of Service (DoS)."], "name": "CVE-2026-68226", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "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": "2026-08-10T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68226\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68226\nhttps://lore.kernel.org/linux-cve-announce/2026081016-CVE-2026-68226-961f@gregkh/T"], "threat_severity": "Low"}