{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-52907",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-06-09T07:44:35.366Z",
        "datePublished": "2026-06-09T12:36:04.617Z",
        "dateUpdated": "2026-08-05T12:31:30.487Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-05T12:31:30.487Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: rockchip: rkcif: fix off by one bugs\n\nChange these comparisons from > vs >= to avoid accessing one element\nbeyond the end of the arrays.\nWhile at it, use ARRAY_SIZE instead of the _MAX enum values.\n\n[fix cosmetic issues]"
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                        "baseScore": 7.8,
                        "baseSeverity": "HIGH"
                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "AV:L - The vulnerable register helpers are reached only through local V4L2 capture device access (open/ioctl/streamon) on Rockchip RK3568 VICAP MIPI nodes, not via any network protocol.\nAC:L - No races or special memory layout are required; once out-of-range block/id/index values reach the helpers, the off-by-one access and resulting MMIO operations occur deterministically during normal streaming or IRQ handling.\nPR:L - Exploitation requires only local access to the V4L2 video capture device node (typically granted to unprivileged users in the video group), not root in the init namespace or special capabilities.\nUI:N - An attacker with access to the capture device can trigger the code path themselves via standard V4L2 streaming ioctls without requiring action from another user.\nS:U - Impact is confined to kernel/driver memory and Rockchip VICAP hardware programming within the same security authority; there is no VM, container, or IOMMU boundary crossing.\nC:H - The flaw is an out-of-bounds read of kernel match_data register tables; per guidance, OOB reads can leak adjacent kernel memory and enable crafting unintended MMIO offsets.\nI:H - The OOB-read value is summed into a hardware register address used by writel(), enabling misdirected MMIO writes including DMA address registers programmed during buffer queue operations.\nA:H - Out-of-bounds access can trigger KASAN/KFENCE faults or misprogrammed capture hardware leading to kernel oops, panic, or hung capture on affected Rockchip embedded systems."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/platform/rockchip/rkcif/rkcif-capture-mipi.c"
                    ],
                    "versions": [
                        {
                            "version": "1f2353f5a1af995efbf7bea44341aa0d03460b28",
                            "lessThan": "73e119036b3a799170ed89907b4273c07306d611",
                            "status": "affected",
                            "versionType": "git"
                        },
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                            "version": "1f2353f5a1af995efbf7bea44341aa0d03460b28",
                            "lessThan": "e4056b84af0fc18c84b4e5741df04ecd8ca17973",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                },
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                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/platform/rockchip/rkcif/rkcif-capture-mipi.c"
                    ],
                    "versions": [
                        {
                            "version": "6.19",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.19",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.4",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
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                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.19",
                                    "versionEndExcluding": "7.0.4"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.19",
                                    "versionEndExcluding": "7.1"
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/73e119036b3a799170ed89907b4273c07306d611"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e4056b84af0fc18c84b4e5741df04ecd8ca17973"
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            ],
            "title": "media: rockchip: rkcif: fix off by one bugs",
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}