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Vulnerability · Published Sep 16, 2026 · Assigned by Linux

CVE-2026-89833f2fs: fix to avoid potential deadloop in f2fs_fsync_node_pages()

Unrated

In plain English

A security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS )–Not rated
Exploit odds (30 days)0.2%top 86.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linuxno fix listedDEBIAN-CVE-2026-89833
Debian:13linux6.12.115-2DEBIAN-CVE-2026-89833
Debian:14linux7.2.6-1DEBIAN-CVE-2026-89833
Ubuntu:22.04:LTSlinuxno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinuxno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux7.0.0-42.42UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-awsno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-aws7.0.0-1016.17UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-aws-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-aws-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-aws-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-aws-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-aws-7.0no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-azureno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-6.11no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-7.0no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-azure-fdeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-fde-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-fde-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-azure-fde-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-fde-7.0no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-nvidiano fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-azure-nvidia-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-gcpno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-gcp7.0.0-1016.18UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-gcp-6.11no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-gcp-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-gcp-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-gcp-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-gcp-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-gcp-7.0no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-gkeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-gkeopno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-hwe-6.11no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-hwe-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-hwe-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-hwe-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-hwe-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-hwe-7.07.0.0-42.42~24.04.1UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-ibmno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-ibm7.0.0-1017.17UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-ibm-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-intel-iotgno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-kvmno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-lowlatencyno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-lowlatency-hwe-6.11no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-nvidiano fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-nvidia-6.11no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-nvidia-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-nvidia-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-nvidia-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-nvidia-7.0no fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-nvidia-bosno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-nvidia-lowlatencyno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-nvidia-tegrano fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-nvidia-tegra-igxno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oem-6.11no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oem-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oem-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-oem-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oem-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-oem-7.07.0.0-1017.17UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oracleno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-oracle7.0.0-1015.16UBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oracle-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oracle-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-oracle-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-oracle-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-oracle-7.0no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-raspino fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2026-89833
Ubuntu:26.04:LTSlinux-riscv7.0.0-42.42.1UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-riscv-6.14no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-riscv-6.17no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-riscv-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-riscv-6.8no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-riscv-7.07.0.0-42.42.1~24.04.1UBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-starfive-6.5no fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-vmwareno fix listedUBUNTU-CVE-2026-89833
Ubuntu:24.04:LTSlinux-xilinxno fix listedUBUNTU-CVE-2026-89833
Ubuntu:22.04:LTSlinux-xilinx-zynqmpno fix listedUBUNTU-CVE-2026-89833

Affected products (as reported)

VendorProductVersions
Linux Linux 608514deba38c8611ad330d6a3c8e2b9a1f68e4b – before 64a47dc8286ff98d8c231ae035bdfe16be1b93bf608514deba38c8611ad330d6a3c8e2b9a1f68e4b – before 58ca9f06480457eb9c9513e1ae2b75316d4ed1e5608514deba38c8611ad330d6a3c8e2b9a1f68e4b – before bdc06381d590ad5833ee7a2c56b8b685d80ee9b5608514deba38c8611ad330d6a3c8e2b9a1f68e4b – before 161513f53e4ac90fd356433bdf8e31e6adeb92af608514deba38c8611ad330d6a3c8e2b9a1f68e4b – before 905411f6504876d268ba8dafc8e75367782da4b7608514deba38c8611ad330d6a3c8e2b9a1f68e4b – before ce366bfa821ec81dd45bde547ee31e659306cc61
Linux Linux 4.7

References