CVE-2026-89833
Full vulnerability record from the local CVENow database.
Description
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages() There is potential deadloop in race condition: Thread A Thread B - fsync - f2fs_do_sync_file - f2fs_fsync_node_pages - last_fsync_dnode - folio_get(last_folio) - f2fs_setattr - f2fs_truncate - f2fs_truncate_blocks - f2fs_do_truncate_blocks - f2fs_truncate_inode_blocks - truncate_dnode - truncate_node - invalidate_mapping_pages - folio->mapping = NULL - is_node_folio alwasy return false - atomic && !marked is always true, then goto retry
View original CVE JSON
{
"id": "CVE-2026-89833",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"published": "2026-09-16T11:16:50.080",
"lastModified": "2026-10-30T13:20:30.497",
"vulnStatus": "Received",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nf2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()\n\nThere is potential deadloop in race condition:\n\nThread A\t\t\t\tThread B\n- fsync\n - f2fs_do_sync_file\n - f2fs_fsync_node_pages\n - last_fsync_dnode\n - folio_get(last_folio)\n\t\t\t\t\t- f2fs_setattr\n\t\t\t\t\t - f2fs_truncate\n\t\t\t\t\t - f2fs_truncate_blocks\n\t\t\t\t\t - f2fs_do_truncate_blocks\n\t\t\t\t\t - f2fs_truncate_inode_blocks\n\t\t\t\t\t - truncate_dnode\n\t\t\t\t\t - truncate_node\n\t\t\t\t\t - invalidate_mapping_pages\n\t\t\t\t\t - folio->mapping = NULL\n - is_node_folio alwasy return false\n - atomic && !marked is always true,\n then goto retry"
}
],
"affected": [
{
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"affectedData": [
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "unaffected",
"programFiles": [
"fs/f2fs/node.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
"lessThan": "64a47dc8286ff98d8c231ae035bdfe16be1b93bf",
"versionType": "git",
"status": "affected"
},
{
"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
"lessThan": "58ca9f06480457eb9c9513e1ae2b75316d4ed1e5",
"versionType": "git",
"status": "affected"
},
{
"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
"lessThan": "bdc06381d590ad5833ee7a2c56b8b685d80ee9b5",
"versionType": "git",
"status": "affected"
},
{
"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
"lessThan": "161513f53e4ac90fd356433bdf8e31e6adeb92af",
"versionType": "git",
"status": "affected"
},
{
"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
"lessThan": "905411f6504876d268ba8dafc8e75367782da4b7",
"versionType": "git",
"status": "affected"
},
{
"version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b",
"lessThan": "ce366bfa821ec81dd45bde547ee31e659306cc61",
"versionType": "git",
"status": "affected"
}
]
},
{
"vendor": "Linux",
"product": "Linux",
"defaultStatus": "affected",
"programFiles": [
"fs/f2fs/node.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"versions": [
{
"version": "4.7",
"status": "affected"
},
{
"version": "0",
"lessThan": "4.7",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.1.191",
"lessThanOrEqual": "6.1.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.6.160",
"lessThanOrEqual": "6.6.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.12.114",
"lessThanOrEqual": "6.12.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "6.18.51",
"lessThanOrEqual": "6.18.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "7.2.5",
"lessThanOrEqual": "7.2.*",
"versionType": "semver",
"status": "unaffected"
},
{
"version": "7.3",
"lessThanOrEqual": "*",
"versionType": "original_commit_for_fix",
"status": "unaffected"
}
]
}
]
}
],
"metrics": {},
"references": [
{
"url": "https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/58ca9f06480457eb9c9513e1ae2b75316d4ed1e5",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/64a47dc8286ff98d8c231ae035bdfe16be1b93bf",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/bdc06381d590ad5833ee7a2c56b8b685d80ee9b5",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
},
{
"url": "https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61",
"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
}
]
}