{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64245", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.772Z", "datePublished": "2026-07-24T15:31:14.142Z", "dateUpdated": "2026-07-24T15:31:14.142Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-07-24T15:31:14.142Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: modedb: fix a possible UAF in fb_find_mode()\n\nIf mode_option is NULL, it is assigned from mode_option_buf:\n\n if (!mode_option) {\n fb_get_options(NULL, &mode_option_buf);\n mode_option = mode_option_buf;\n }\n\nLater, name is assigned from mode_option:\n\n const char *name = mode_option;\n\nHowever, mode_option_buf is freed before name is no longer used:\n\n kfree(mode_option_buf);\n\nwhile name is still accessed by:\n\n if ((name_matches(db[i], name, namelen) ||\n\nSince name aliases mode_option_buf, this may result in a\nuse-after-free.\n\nFix this by extending the lifetime of mode_option_buf until the end of the\nfunction by using scope-based resource management for cleanup."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/fbdev/core/modedb.c"], "versions": [{"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "c7dc382439f7b019e207055b52e9cec051d42fa9", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "f906347d75c7fc377041c6d3c535d0f08846aada", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "4d418cf8daf57e454b4d855bf9b2419fd8e6a540", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "13b6f0cdd5cd5e60f682ec43134ab0e2024bd356", "status": "affected", "versionType": "git"}, {"version": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2", "lessThan": "85b6256469cebdac395e7447147e06b2e151014f", "status": "affected", "versionType": "git"}, {"version": "0", "lessThan": "6.6.144", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "6.12.95", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "6.18.38", "status": "affected", "versionType": "semver"}, {"version": "0", "lessThan": "7.1.3", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/fbdev/core/modedb.c"], "versions": [{"version": "6.6.144", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.95", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.38", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.3", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc1", "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:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.6.144"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.12.95"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "6.18.38"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.1.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionEndExcluding": "7.2-rc1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/c7dc382439f7b019e207055b52e9cec051d42fa9"}, {"url": "https://git.kernel.org/stable/c/f906347d75c7fc377041c6d3c535d0f08846aada"}, {"url": "https://git.kernel.org/stable/c/4d418cf8daf57e454b4d855bf9b2419fd8e6a540"}, {"url": "https://git.kernel.org/stable/c/13b6f0cdd5cd5e60f682ec43134ab0e2024bd356"}, {"url": "https://git.kernel.org/stable/c/85b6256469cebdac395e7447147e06b2e151014f"}], "title": "fbdev: modedb: fix a possible UAF in fb_find_mode()", "x_generator": {"engine": "bippy-1.2.0"}}}}

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