{"id":"CVE-2026-89878","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[f…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[f…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < 6f6a5b0b0a84c2de0e152f2841e57bc226db924f","Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < 8eca0f85eeb0789be40e637bcf9a21c4265b6c6f","Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < ffc27411ea60b8a09f1fea3d664b65210fdeb454","Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < 5626785b0e4665326e4d96736c106161da09b2f0","Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < 3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d","Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < 342632a4d8ba3fafc1556deee0b7a48dd7860336","Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < 7d221859ba45d7228d0138c9a3e55bd3bb31e14e","Linux >= 14d962602c8bf86e63c9b9272be1f0360d0a448a < 330f2936ab768c7215322a476f033143e8891d28","Linux 2.6.28"],"published":"2026-09-16","updated":"2026-09-16","sourceUpdated":"2026-09-16T11:16:56.100","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-89878","references":[{"url":"https://git.kernel.org/stable/c/330f2936ab768c7215322a476f033143e8891d28","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/342632a4d8ba3fafc1556deee0b7a48dd7860336","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/3e03f1209c1c8a45a7bc559f4ecd79d9b33f706d","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5626785b0e4665326e4d96736c106161da09b2f0","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/6f6a5b0b0a84c2de0e152f2841e57bc226db924f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7d221859ba45d7228d0138c9a3e55bd3bb31e14e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8eca0f85eeb0789be40e637bcf9a21c4265b6c6f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ffc27411ea60b8a09f1fea3d664b65210fdeb454","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd","cve.org"],"ingestedAt":"2026-09-16T10:53:53.985Z","epss":0.00211,"epssPercentile":0.1162,"slug":"CVE-2026-89878","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmedia: s2255: check firmware size before reading trailing marker\n\ns2255_probe() reads a 4-byte marker and version from the last 8 bytes\nof the firmware blob (fw->data[fw_size - 8] and [fw_size - 4]). If the\nfirmware file is shorter than 8 bytes, fw_size - 8 underflows and the\naccess reads out of bounds. Validate the firmware size before indexing.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}