CVE-2025-40138

Summary: CVE-2025-40138 affects the Linux kernel f2fs quota maintenance path. The issue is a NULL pointer dereference in f2fs_check_quota_consistency(), triggered by unsafe handling before comparing old_qname/new_qname pointers during remount/quotacheck flows. The bug’s direct cause is a potentia...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989419)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989419 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid format-overflow warning With gcc and W=1 option, there's a warning like this:...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989219)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989219 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on totaldatablocks As Yanming reported in bugzilla:...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-989799)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989799 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check for inline inode Yanming reported a kernel bug in Bugzilla kernel 1,...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-988914)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-988914 advisory. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on curseg-alloctype As Wenqing Liu reported in bugzilla:...

f2fs: fix to avoid overflow while left shift operation

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Siemens SIMATIC, SCALANCE and RUGGEDCOM Devices NULL Pointer Dereference (CVE-2021-44879)

In gcdatasegment in fs/f2fs/gc.c in the Linux kernel before 5.16.3, special files are not considered, leading to a movedatapage NULL pointer dereference. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C...

CVE-2025-40077

CVE-2025-40077 is a Linux kernel/FP (F2FS) related fix: the issue was an overflow risk during a left shift involving folio->index. The described root cause is casting folio->index from pgoff_t to loff_t to prevent overflow, with the correction implemented in f2fs code paths. The connected O...

Linux Distros Unpatched Vulnerability : CVE-2025-40077

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - f2fs: fix to avoid overflow while left shift operation Should cast type of folio-index from pgofft to lofft to avoid overflow while left shift operation...

PT-2026-2504

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.17.0 Description The Linux kernel contains a flaw within the f2fs file system related to handling compression contexts during writeback operations. A race condition can occur when a file is being fsynced, its...

f2fs: fix to account dirty data in __get_secs_required()

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EUVD-2020-7839

Malware in sbrugna...

f2fs: assign CURSEG_ALL_DATA_ATGC if blkaddr is valid

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EUVD-2022-55582

Malicious code in bioql PyPI...

EUVD-2023-59888

Malicious code in bioql PyPI...

CVE-2023-53301 f2fs: fix kernel crash due to null io->bio

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix kernel crash due to null io-bio We should return when io-bio is null before doing anything. Otherwise, panic. BUG: kernel NULL pointer dereference, address: 0000000000000010 RIP: 0010:submitmergedwritecond+0x164/0x240...

DEBIAN-CVE-2022-50273

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on destination blkaddr during recovery As Wenqing Liu reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: detected capacity change from 0 to 131072 F2FS-fs loop5:...

CVE-2022-50273

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on destination blkaddr during recovery As Wenqing Liu reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: detected capacity change from 0 to 131072 F2FS-fs loop5:...

UBUNTU-CVE-2022-50273

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on destination blkaddr during recovery As Wenqing Liu reported in bugzilla: https://bugzilla.kernel.org/showbug.cgi?id=216456 loop5: detected capacity change from 0 to 131072 F2FS-fs loop5:...

CVE-2023-53262 f2fs: fix scheduling while atomic in decompression path

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix scheduling while atomic in decompression path 16.945668 C0 Call trace: 16.945678 C0 dumpbacktrace+0x110/0x204 16.945706 C0 dumpstacklvl+0x84/0xbc 16.945735 C0 schedulebug+0xb8/0x1ac 16.945756 C0 schedule+0x724/0xbdc...