{"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[[email protected]: 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": 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"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": 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/hid/hid-picolcd_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "42dc0b7b55fe0499fc09183f34a1c46d1dcccf77", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}, {"lessThan": "48caee2c106b03301c72fe389ebff00d852c58d5", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}, {"lessThan": "dc176447c7279435c46735db7da81aed1ec25cc2", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}, {"lessThan": "a02d5d7ad7ae5fa3756b8332f7350e973085dcb3", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}, {"lessThan": "e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}, {"lessThan": "d354e523c6f740db758cafcd4c11bb7913285ed8", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}, {"lessThan": "ef649703dce0df1364fcec3cdad9b32d1c522939", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}, {"lessThan": "0021eb09041f021c079be1022934a280f7f176c0", "status": "affected", "version": "fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/hid/hid-picolcd_core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.7"}, {"lessThan": "3.7", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.261", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.5", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\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[[email protected]: extended hash length]"}], "id": "CVE-2026-80605", "lastModified": "2026-08-28T08:16:44.450", "metrics": {}, "published": "2026-08-28T08:16:44.450", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/0021eb09041f021c079be1022934a280f7f176c0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/42dc0b7b55fe0499fc09183f34a1c46d1dcccf77"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/48caee2c106b03301c72fe389ebff00d852c58d5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a02d5d7ad7ae5fa3756b8332f7350e973085dcb3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d354e523c6f740db758cafcd4c11bb7913285ed8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc176447c7279435c46735db7da81aed1ec25cc2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e4edeefb8d5bfceb2058e2b3291f4ae1e5a76e61"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ef649703dce0df1364fcec3cdad9b32d1c522939"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()", "id": "2525435", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2525435"}, "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:\nHID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()\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.\nChange the type of 'k' to 'unsigned int' to prevent the overflow and\neliminate the out-of-bounds access.\nFound by Linux Verification Center (linuxtesting.org) with the Svace static\nanalysis tool.\n[[email protected]: extended hash length]", "A flaw was found in the Linux kernel. An integer overflow in the `picolcd_send_and_wait()` function within the Human Interface Device (HID) picolcd driver can occur when a signed loop counter overflows. This can lead to an incorrect condition evaluation, resulting in a NULL pointer dereference. This vulnerability could allow a local attacker to cause a system crash, leading to a Denial of Service (DoS)."], "name": "CVE-2026-80605", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-08-28T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80605\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80605\nhttps://lore.kernel.org/linux-cve-announce/2026082832-CVE-2026-80605-81fd@gregkh/T"], "threat_severity": "Low"}

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