{"api_version":"1","generated_at":"2026-08-16T11:19:03+00:00","cve":"CVE-2026-74320","urls":{"html":"https://cve.report/CVE-2026-74320","api":"https://cve.report/api/cve/CVE-2026-74320.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74320","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74320"},"summary":{"title":"fbdev: sm501fb: Fix buffer errors in OF binding code","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: sm501fb: Fix buffer errors in OF binding code\n\nThe code that gets the frame buffer mode from OF has 'use after free',\n'buffer overrun' and memory leaks.\n\ninfo->edid_data isn't free if the probe functions fail or if\npd->def_mode is set.\n\nIf both the CRT and PANEL are enabled info->edid_data is used after\nbeing freed and is freed twice.\n\nThe string returned by of_get_property(np, \"mode\", &len) is just\nwritten over either the static \"640x480-16@60\" or the module parameter\nstring without any regard for the length (which is most likely longer).\n\nUse kstrump() for the OF mode and free everything before freeing 'info.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-15 06:22:32","updated_at":"2026-08-15 06:22:32"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/48cf0f4c6581ec90104cec9c5bf794a8bf347e30","name":"https://git.kernel.org/stable/c/48cf0f4c6581ec90104cec9c5bf794a8bf347e30","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d374f76e1257ecc5d691a765c512ed2c29a44741","name":"https://git.kernel.org/stable/c/d374f76e1257ecc5d691a765c512ed2c29a44741","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/47008d59c60ed896085da95f8d4dd40e1677dd3a","name":"https://git.kernel.org/stable/c/47008d59c60ed896085da95f8d4dd40e1677dd3a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31","name":"https://git.kernel.org/stable/c/9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/0bc3d909a49e1fd8b8c3f2160d526e672c40621d","name":"https://git.kernel.org/stable/c/0bc3d909a49e1fd8b8c3f2160d526e672c40621d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/de590cdf7efec8a0b6da90ae2ab5fc5df26810b9","name":"https://git.kernel.org/stable/c/de590cdf7efec8a0b6da90ae2ab5fc5df26810b9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d8421e09382cfe0bd2a044c8b0a822f64855dd4e","name":"https://git.kernel.org/stable/c/d8421e09382cfe0bd2a044c8b0a822f64855dd4e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b2ff450f7f5cfc7143cab57c3ad70293ba8b822a","name":"https://git.kernel.org/stable/c/b2ff450f7f5cfc7143cab57c3ad70293ba8b822a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74320","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74320","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4295f9bf74a885da390abc49a3b42a011c1bb890 0bc3d909a49e1fd8b8c3f2160d526e672c40621d git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4295f9bf74a885da390abc49a3b42a011c1bb890 47008d59c60ed896085da95f8d4dd40e1677dd3a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4295f9bf74a885da390abc49a3b42a011c1bb890 d374f76e1257ecc5d691a765c512ed2c29a44741 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 4295f9bf74a885da390abc49a3b42a011c1bb890 b2ff450f7f5cfc7143cab57c3ad70293ba8b822a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.212 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.178 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.145 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.97 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.40 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.5 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc1 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2026","cve_id":"74320","cve":"CVE-2026-74320","epss":"0.001760000","percentile":"0.074260000","score_date":"2026-08-15","updated_at":"2026-08-16 00:00:30"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/video/fbdev/sm501fb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"0bc3d909a49e1fd8b8c3f2160d526e672c40621d","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"},{"lessThan":"47008d59c60ed896085da95f8d4dd40e1677dd3a","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"},{"lessThan":"d374f76e1257ecc5d691a765c512ed2c29a44741","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"},{"lessThan":"b2ff450f7f5cfc7143cab57c3ad70293ba8b822a","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"},{"lessThan":"9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"},{"lessThan":"de590cdf7efec8a0b6da90ae2ab5fc5df26810b9","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"},{"lessThan":"48cf0f4c6581ec90104cec9c5bf794a8bf347e30","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"},{"lessThan":"d8421e09382cfe0bd2a044c8b0a822f64855dd4e","status":"affected","version":"4295f9bf74a885da390abc49a3b42a011c1bb890","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/video/fbdev/sm501fb.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"2.6.39"},{"lessThan":"2.6.39","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-rc1","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.261","versionStartIncluding":"2.6.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.212","versionStartIncluding":"2.6.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.178","versionStartIncluding":"2.6.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.145","versionStartIncluding":"2.6.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.97","versionStartIncluding":"2.6.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.40","versionStartIncluding":"2.6.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.5","versionStartIncluding":"2.6.39","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc1","versionStartIncluding":"2.6.39","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: sm501fb: Fix buffer errors in OF binding code\n\nThe code that gets the frame buffer mode from OF has 'use after free',\n'buffer overrun' and memory leaks.\n\ninfo->edid_data isn't free if the probe functions fail or if\npd->def_mode is set.\n\nIf both the CRT and PANEL are enabled info->edid_data is used after\nbeing freed and is freed twice.\n\nThe string returned by of_get_property(np, \"mode\", &len) is just\nwritten over either the static \"640x480-16@60\" or the module parameter\nstring without any regard for the length (which is most likely longer).\n\nUse kstrump() for the OF mode and free everything before freeing 'info."}],"providerMetadata":{"dateUpdated":"2026-08-15T05:58:16.805Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/0bc3d909a49e1fd8b8c3f2160d526e672c40621d"},{"url":"https://git.kernel.org/stable/c/47008d59c60ed896085da95f8d4dd40e1677dd3a"},{"url":"https://git.kernel.org/stable/c/d374f76e1257ecc5d691a765c512ed2c29a44741"},{"url":"https://git.kernel.org/stable/c/b2ff450f7f5cfc7143cab57c3ad70293ba8b822a"},{"url":"https://git.kernel.org/stable/c/9057e3f5db39f0ef0dac2f59f2bc59bf17e36c31"},{"url":"https://git.kernel.org/stable/c/de590cdf7efec8a0b6da90ae2ab5fc5df26810b9"},{"url":"https://git.kernel.org/stable/c/48cf0f4c6581ec90104cec9c5bf794a8bf347e30"},{"url":"https://git.kernel.org/stable/c/d8421e09382cfe0bd2a044c8b0a822f64855dd4e"}],"title":"fbdev: sm501fb: Fix buffer errors in OF binding code","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74320","datePublished":"2026-08-15T05:58:16.805Z","dateReserved":"2026-08-15T05:44:03.884Z","dateUpdated":"2026-08-15T05:58:16.805Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-15 06:22:32","lastModifiedDate":"2026-08-15 06:22:32","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74320","Ordinal":"1","Title":"fbdev: sm501fb: Fix buffer errors in OF binding code","CVE":"CVE-2026-74320","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74320","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: sm501fb: Fix buffer errors in OF binding code\n\nThe code that gets the frame buffer mode from OF has 'use after free',\n'buffer overrun' and memory leaks.\n\ninfo->edid_data isn't free if the probe functions fail or if\npd->def_mode is set.\n\nIf both the CRT and PANEL are enabled info->edid_data is used after\nbeing freed and is freed twice.\n\nThe string returned by of_get_property(np, \"mode\", &len) is just\nwritten over either the static \"640x480-16@60\" or the module parameter\nstring without any regard for the length (which is most likely longer).\n\nUse kstrump() for the OF mode and free everything before freeing 'info.","Type":"Description","Title":"fbdev: sm501fb: Fix buffer errors in OF binding code"}]}}}