{"id":"CVE-2026-31451","title":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: replace BUG_ON with proper error handling in ext4_read_inline_folio\n\nReplace BUG_ON() with proper error handling when inline data size\nexceeds PAGE_SIZE","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\next4: replace BUG_ON with proper error handling in ext4_read_inline_folio\n\nReplace BUG_ON() with proper error handling when inline data size\nexceeds PAGE_SIZE. This pre…","severity":"medium","cvss":5.5,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","cwe":["CWE-617"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 3.8, < 6.6.131","linux_kernel >= 6.7, < 6.12.80","linux_kernel >= 6.13, < 6.18.21","linux_kernel >= 6.19, < 6.19.11","linux_kernel = 7.0"],"patched":["linux_kernel 6.19.11"],"published":"2026-04-22","updated":"2026-07-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-31451","references":[{"url":"https://git.kernel.org/stable/c/3462a3f0716d27af51896dc8688bcf0628fb17ee","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/356227096eb66e41b23caf7045e6304877322edf","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/636e8d85a36ab6c31aafd04ee66a69b18eebee7b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/65c6c30ce6362c1c684568744ea510c921a756cd","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/823849a26af089ffc5dfdd2ae4b9d446b46a0cda","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a7d600e04732a7d29b107c91fe3aec64cf6ce7f2","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/af25a6affeac4919e8d8c5cccc01a9d53478447e","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/d4b3f370c3d8f7ce565d4a718572c9f7c12f77ed","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00123,"epssPercentile":0.02347,"ingestedAt":"2026-07-04T12:56:09.360Z","slug":"CVE-2026-31451","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\next4: replace BUG_ON with proper error handling in ext4_read_inline_folio\n\nReplace BUG_ON() with proper error handling when inline data size\nexceeds PAGE_SIZE. This prevents kernel panic and allows the system to\ncontinue running while properly reporting the filesystem corruption.\n\nThe error is logged via ext4_error_inode(), the buffer head is released\nto prevent memory leak, and -EFSCORRUPTED is returned to indicate\nfilesystem corruption.\n\n## Affected\n\n- `linux_kernel >= 3.8, < 6.6.131`\n- `linux_kernel >= 6.7, < 6.12.80`\n- `linux_kernel >= 6.13, < 6.18.21`\n- `linux_kernel >= 6.19, < 6.19.11`\n- `linux_kernel = 7.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.19.11`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":30.3,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}