{"id":"CVE-2024-34027","title":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock\n\nIt needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock\nto avoid racin…","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock\n\nIt needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock\nto avoid racin…","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-770"],"vendor":"linux","product":"linux_kernel","affected":["linux_kernel >= 5.8, < 5.10.219","linux_kernel >= 5.11, < 5.15.161","linux_kernel >= 5.16, < 6.1.93","linux_kernel >= 6.2, < 6.6.33","linux_kernel >= 6.7, < 6.9.4"],"patched":["linux_kernel 6.9.4"],"published":"2024-06-24","updated":"2026-10-15","sourceUpdated":"2026-10-15T01:17:45.480","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2024-34027","references":[{"url":"https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/0a4ed2d97cb6d044196cc3e726b6699222b41019","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/329edb7c9e3b6ca27e6ca67ab1cdda1740fb3a2b","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/5d47d63883735718825ca2efc4fca6915469774f","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/69136304fd144144a4828c7b7b149d0f80321ba4","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/a6e1f7744e9b84f86a629a76024bba8468aa153b","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://git.kernel.org/stable/c/b5bac43875aa27ec032dbbb86173baae6dce6182","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-265688.html","label":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"tags":["nvd","cve.org"],"epss":0.00237,"epssPercentile":0.14629,"ingestedAt":"2026-10-15T03:30:12.714Z","ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2024-11-05T14:50:20.784869Z"},"slug":"CVE-2024-34027","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: compress: fix to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock\n\nIt needs to cover {reserve,release}_compress_blocks() w/ cp_rwsem lock\nto avoid racing with checkpoint, otherwise, filesystem metadata including\nblkaddr in dnode, inode fields and .total_valid_block_count may be\ncorrupted after SPO case.\n\n## Affected\n\n- `linux_kernel >= 5.8, < 5.10.219`\n- `linux_kernel >= 5.11, < 5.15.161`\n- `linux_kernel >= 5.16, < 6.1.93`\n- `linux_kernel >= 6.2, < 6.6.33`\n- `linux_kernel >= 6.7, < 6.9.4`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `linux_kernel 6.9.4`","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}