{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2026-80605",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2026-08-26T14:34:25.772Z",
        "datePublished": "2026-08-28T06:48:30.362Z",
        "dateUpdated": "2026-08-28T06:48:30.362Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-28T06:48:30.362Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nHID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()\n\nIn picolcd_send_and_wait(), an integer overflow of the signed loop counter\n'k' can theoretically lead to a NULL pointer dereference of 'raw_data'.\nIf the loop executes more than INT_MAX times, 'k' becomes negative,\nmaking the condition 'k < size' true even when 'size' is 0.\n\nChange the type of 'k' to 'unsigned int' to prevent the overflow and\neliminate the out-of-bounds access.\n\nFound by Linux Verification Center (linuxtesting.org) with the Svace static\nanalysis tool.\n\n[jkosina@suse.com: extended hash length]"
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/hid/hid-picolcd_core.c"
                    ],
                    "versions": [
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "42dc0b7b55fe0499fc09183f34a1c46d1dcccf77",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "48caee2c106b03301c72fe389ebff00d852c58d5",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "dc176447c7279435c46735db7da81aed1ec25cc2",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "a02d5d7ad7ae5fa3756b8332f7350e973085dcb3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "d354e523c6f740db758cafcd4c11bb7913285ed8",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "ef649703dce0df1364fcec3cdad9b32d1c522939",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205",
                            "lessThan": "0021eb09041f021c079be1022934a280f7f176c0",
                            "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/hid/hid-picolcd_core.c"
                    ],
                    "versions": [
                        {
                            "version": "3.7",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.7",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.261",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.212",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.178",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.145",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.97",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.40",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "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": "3.7",
                                    "versionEndExcluding": "5.10.261"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "5.15.212"
                                },
                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "versionEndExcluding": "6.1.178"
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
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                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "6.12.97"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
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                                {
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                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "3.7",
                                    "versionEndExcluding": "7.2"
                                }
                            ]
                        }
                    ]
                }
            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/42dc0b7b55fe0499fc09183f34a1c46d1dcccf77"
                },
                {
                    "url": "https://git.kernel.org/stable/c/48caee2c106b03301c72fe389ebff00d852c58d5"
                },
                {
                    "url": "https://git.kernel.org/stable/c/dc176447c7279435c46735db7da81aed1ec25cc2"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a02d5d7ad7ae5fa3756b8332f7350e973085dcb3"
                },
                {
                    "url": "https://git.kernel.org/stable/c/e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61"
                },
                {
                    "url": "https://git.kernel.org/stable/c/d354e523c6f740db758cafcd4c11bb7913285ed8"
                },
                {
                    "url": "https://git.kernel.org/stable/c/ef649703dce0df1364fcec3cdad9b32d1c522939"
                },
                {
                    "url": "https://git.kernel.org/stable/c/0021eb09041f021c079be1022934a280f7f176c0"
                }
            ],
            "title": "HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()",
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}