{"id":"CVE-2024-26632","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: Fix iterating over an empty bio with bio_for_each_folio_all\n\nIf the bio contains no data, bio_first_folio() calls page_folio() on a\nNULL pointer and oopses","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nblock: Fix iterating over an empty bio with bio_for_each_folio_all\n\nIf the bio contains no data, bio_first_folio() calls page_folio() on a\nNULL pointer and oopses.  Mov…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-476"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.17, < 6.1.75","linux_kernel >= 6.2, < 6.6.14","linux_kernel >= 6.7, < 6.7.2"],"patched":["linux_kernel 6.7.2"],"published":"2024-03-18","updated":"2026-08-04","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-26632","references":[{"url":"https://git.kernel.org/stable/c/7bed6f3d08b7af27b7015da8dc3acf2b9c1f21d7","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a6bd8182137a12d22d3f2cee463271bdcb491659","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c6350b5cb78e9024c49eaee6fdb914ad2903a5fe","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/ca3ede3f5893e2d26d4dbdef1eec28a8487fafde","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7bed6f3d08b7af27b7015da8dc3acf2b9c1f21d7","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a6bd8182137a12d22d3f2cee463271bdcb491659","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/c6350b5cb78e9024c49eaee6fdb914ad2903a5fe","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/ca3ede3f5893e2d26d4dbdef1eec28a8487fafde","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00236,"epssPercentile":0.14889,"ingestedAt":"2026-08-05T10:46:47.313Z","slug":"CVE-2024-26632","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nblock: Fix iterating over an empty bio with bio_for_each_folio_all\n\nIf the bio contains no data, bio_first_folio() calls page_folio() on a\nNULL pointer and oopses.  Move the test that we've reached the end of\nthe bio from bio_next_folio() to bio_first_folio().\n\n[axboe: add unlikely() to error case]\n\n## Affected\n\n- `linux_kernel >= 5.17, < 6.1.75`\n- `linux_kernel >= 6.2, < 6.6.14`\n- `linux_kernel >= 6.7, < 6.7.2`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.7.2`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}