{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-89879",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-09-11T19:38:34.772Z",
        "datePublished": "2026-09-16T10:31:45.564Z",
        "dateUpdated": "2026-10-19T08:54:12.050Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-10-19T08:54:12.050Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: bound JPEG frame size before copying into the buffer\n\ns2255_fillbuff() memcpy()s vc->jpg_size bytes of a captured JPEG/MJPEG\nframe into the vb2 plane.  vc->jpg_size is taken verbatim from the\nS2255_MARKER_FRAME header the device sends (pdword[4] in save_frame())\nand, unlike the frame payload length just above it, is never bounded:\n\n\tpayload = le32_to_cpu(pdword[3]);\n\tif (payload > vc->req_image_size)\t/* payload is checked ... */\n\t\treturn -EINVAL;\n\tvc->pkt_size = payload;\n\tvc->jpg_size = le32_to_cpu(pdword[4]);\t/* ... jpg_size is not */\n\nA malicious or malfunctioning device can therefore report a jpg_size\nlarger than the destination vb2 plane, and the memcpy() writes past it.\njpg_size is a signed int, so a value with the top bit set also turns\ninto a huge length.\n\nReject a frame whose jpg_size is negative or exceeds the plane size\nbefore copying it."
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/media/usb/s2255/s2255drv.c"
                    ],
                    "versions": [
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "32a595dd3e8634544e5cfbc47f906dff3d3c1ef8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "4b6f7bccc6559ae5c54573c284fe76eafc9989b2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "2542516a147bfad740e7e411c251b639fad260ff",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "79f58f900dd221ab04ea74bf4eaf79fa3b0fcc77",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "d2ecaaab6a4f165abb54cdf61be60030b5782bf8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "68d664f1b4efe525e99154b7058fcb0378bdaff7",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "dd739517560c8d0ec4463a53e717bf40b988d7da",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "38f993ad8b1fe4caf9e989caf6e2a25aff3bbaf7",
                            "lessThan": "e504cc888f42999dd76b6a43788c422610f2aad2",
                            "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/usb/s2255/s2255drv.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.27",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.27",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.110",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.51",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.5",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }
            ],
            "cpeApplicability": [
                {
                    "nodes": [
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                            "operator": "OR",
                            "negate": false,
                            "cpeMatch": [
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                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "5.10.270"
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                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/32a595dd3e8634544e5cfbc47f906dff3d3c1ef8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/4b6f7bccc6559ae5c54573c284fe76eafc9989b2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/2542516a147bfad740e7e411c251b639fad260ff"
                },
                {
                    "url": "https://git.kernel.org/stable/c/79f58f900dd221ab04ea74bf4eaf79fa3b0fcc77"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d2ecaaab6a4f165abb54cdf61be60030b5782bf8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/68d664f1b4efe525e99154b7058fcb0378bdaff7"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dd739517560c8d0ec4463a53e717bf40b988d7da"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e504cc888f42999dd76b6a43788c422610f2aad2"
                }
            ],
            "title": "media: s2255: bound JPEG frame size before copying into the buffer",
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                "engine": "bippy-1.2.0"
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}