{"api_version":"1","generated_at":"2026-08-28T17:26:50+00:00","cve":"CVE-2026-80605","urls":{"html":"https://cve.report/CVE-2026-80605","api":"https://cve.report/api/cve/CVE-2026-80605.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-80605","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-80605"},"summary":{"title":"HID: picolcd: prevent NULL pointer dereference in picolcd_send_and_wait()","description":"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]","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-28 08:16:44","updated_at":"2026-08-28 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Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-80605","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 42dc0b7b55fe0499fc09183f34a1c46d1dcccf77 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 48caee2c106b03301c72fe389ebff00d852c58d5 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 dc176447c7279435c46735db7da81aed1ec25cc2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected fabdbf2fd22fa170b4c5340dbdda5c8cd88fb205 a02d5d7ad7ae5fa3756b8332f7350e973085dcb3 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"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"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"3.7","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2","versionStartIncluding":"3.7","vulnerable":true}],"negate":false,"operator":"OR"}]}],"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]"}],"providerMetadata":{"dateUpdated":"2026-08-28T06:48:30.362Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"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()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-80605","datePublished":"2026-08-28T06:48:30.362Z","dateReserved":"2026-08-26T14:34:25.772Z","dateUpdated":"2026-08-28T06:48:30.362Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-28 08:16:44","lastModifiedDate":"2026-08-28 08:16:44","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"80605","Ordinal":"1","Title":"HID: picolcd: prevent NULL pointer dereference in picolcd_send_a","CVE":"CVE-2026-80605","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"80605","Ordinal":"1","NoteData":"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]","Type":"Description","Title":"HID: picolcd: prevent NULL pointer dereference in picolcd_send_a"}]}}}