CVE-2026-89833

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

CVSS

No CVSS.

References

Link	Resource
https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af
https://git.kernel.org/stable/c/905411f6504876d268ba8dafc8e75367782da4b7
https://git.kernel.org/stable/c/ce366bfa821ec81dd45bde547ee31e659306cc61

Configurations

No configuration.

History

No history.

Information

Published : 2026-09-16 11:16

Updated : 2026-09-16 11:16

NVD link : CVE-2026-89833

Mitre link : CVE-2026-89833

CVE.ORG link : CVE-2026-89833

JSON object : View

Products Affected

No product.

CWE

No CWE.

{"id": "CVE-2026-89833", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "lessThan": "161513f53e4ac90fd356433bdf8e31e6adeb92af", "versionType": "git"}, {"status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "lessThan": "905411f6504876d268ba8dafc8e75367782da4b7", "versionType": "git"}, {"status": "affected", "version": "608514deba38c8611ad330d6a3c8e2b9a1f68e4b", "lessThan": "ce366bfa821ec81dd45bde547ee31e659306cc61", "versionType": "git"}], "programFiles": ["fs/f2fs/node.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.7"}, {"status": "unaffected", "version": "0", "lessThan": "4.7", "versionType": "semver"}, {"status": "unaffected", "version": "6.18.51", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.5", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["fs/f2fs/node.c"], "defaultStatus": "affected"}]}], "published": "2026-09-16T11:16:50.080", "references": [{"url": "https://git.kernel.org/stable/c/161513f53e4ac90fd356433bdf8e31e6adeb92af", "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/ce366bfa821ec81dd45bde547ee31e659306cc61", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "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"}], "lastModified": "2026-09-16T11:16:50.080", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}