{"id":"CVE-2026-74693","summary":"net: prestera: validate firmware header length","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: prestera: validate firmware header length\n\nprestera_fw_hdr_parse() reads the firmware header before checking\nthat the firmware image contains that header.\n\nReject images shorter than struct prestera_fw_header before decoding the\nmagic and version fields.","modified":"2026-08-24T11:47:20.401488973Z","published":"2026-08-22T15:32:56.491Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74693.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/0fbcceb9d19f2d1dcdf099aee590f2517cb718bb"},{"type":"WEB","url":"https://git.kernel.org/stable/c/363e048a9d0a6c245cbc348c8a220170afed046a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240"},{"type":"WEB","url":"https://git.kernel.org/stable/c/470ac9cce7308e60cf2dceb448749cdd006e73de"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6fad06bb793d7089ae05b9fcf46e11be2dfe4850"},{"type":"WEB","url":"https://git.kernel.org/stable/c/7fa8a12296d8d5aa4b1c3904f0b354d81124cf29"},{"type":"WEB","url":"https://git.kernel.org/stable/c/8ae344eb540af3f457179b52bc6061416752485c"},{"type":"WEB","url":"https://git.kernel.org/stable/c/e0f382e8084117f0b11ffb070fe1079e38c0d7f9"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/74xxx/CVE-2026-74693.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74693"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"4c2703dfd7fabb0824b3bc345f9fa47e33248c14"},{"fixed":"38a3afbf9fd8a2e8c47fa3ca47b425a8a9623240"},{"fixed":"0fbcceb9d19f2d1dcdf099aee590f2517cb718bb"},{"fixed":"e0f382e8084117f0b11ffb070fe1079e38c0d7f9"},{"fixed":"6fad06bb793d7089ae05b9fcf46e11be2dfe4850"},{"fixed":"470ac9cce7308e60cf2dceb448749cdd006e73de"},{"fixed":"363e048a9d0a6c245cbc348c8a220170afed046a"},{"fixed":"7fa8a12296d8d5aa4b1c3904f0b354d81124cf29"},{"fixed":"8ae344eb540af3f457179b52bc6061416752485c"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74693.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.10.0"},{"fixed":"5.10.265"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.216"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.183"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.152"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.104"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.45"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.1.9"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-74693.json"}}],"schema_version":"1.9.0"}