CVE-2025-39866

CVE-2025-39866 - 解放後使用 著者: Byte Reaper 説明 このPoCは、スピンロックがないためにスレッド間で競合状態を引き起こすLinuxシステムiwb」を更新し、「wbputmany」を介して重要な解放をスケジュール ステップ3： - スレッド2：wbolbを解放 - スレッド1 - ポインタ - wbオブジェクトを解放（古いものを解放） - 解放済みアドレスにアクセス - カーネルクラッシュ（セグフォルト） 必要条件： Linux x8664 kernel linux 6.12.16 ビルド： 1 - He created a Makefile and...

Linux Distros Unpatched Vulnerability : CVE-2026-100073

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb ext4: correct the reserved credits for extent conversion was correct to note that we need to...

SUSE CVE-2026-100073

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

DEBIAN-CVE-2026-100073

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

CVE-2026-100073

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

UBUNTU-CVE-2026-100073

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

CVE-2026-100073

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

CVE-2026-100073 ext4: fix transaction overflow during writeback

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

EUVD-2026-87053

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

CVE-2026-100073

The Linux kernel contains a vulnerability in the ext4 filesystem where transaction credits were insufficient during writeback operations. The root cause is that previous fixes failed to account for cases where extent conversion requires splitting large unwritten extents into multiple small writte...

CVE-2026-100073: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: fix transaction overflow during writeback Commit 95ad8ee45cdb "ext4: correct the reserved credits for extent conversion" was correct to note that we need to reserve enough credits for all extents possibly underlying a large...

SUSE CVE-2026-53393

In the Linux kernel, the following vulnerability has been resolved: nfsd: reset write verifier on deferred writeback errors nfsdvfswrite and nfsdcommit both call filemapcheckwberr to detect deferred writeback errors, but neither rotates the server's write verifier nn-writeverf when this check...

CVE-2026-90261

In the Linux kernel, the following vulnerability has been resolved: btrfs: zoned: flush active metadata block group at btreewritepages start btreewritepages writes the btree inode's dirty metadata in ascending logical address order. On a zoned filesystem only one metadata and one system block gro...

EUVD-2026-82123

In the Linux kernel, the following vulnerability has been resolved: ext4: clear stale xarray tags on folios skipped during writeback In data=journal mode, the writeback thread can hit the WARNONONCEsbrdonlysb in ext4journalcheckstart while the superblock is being remounted read-only during reboot...

CVE-2026-92502 ext4: clear stale xarray tags on folios skipped during writeback

In the Linux kernel, the following vulnerability has been resolved: ext4: clear stale xarray tags on folios skipped during writeback In data=journal mode, the writeback thread can hit the WARNONONCEsbrdonlysb in ext4journalcheckstart while the superblock is being remounted read-only during reboot...

CVE-2026-92502 ext4: clear stale xarray tags on folios skipped during writeback

In the Linux kernel, the following vulnerability has been resolved: ext4: clear stale xarray tags on folios skipped during writeback In data=journal mode, the writeback thread can hit the WARNONONCEsbrdonlysb in ext4journalcheckstart while the superblock is being remounted read-only during reboot...

CVE-2026-92502

CVE-2026-92502 affects the ext4 filesystem in the Linux kernel when using data=journal mode. The root cause is that folio_clear_dirty_for_io clears the PG_dirty flag but leaves the PAGECACHE_TAG_DIRTY and PAGECACHE_TAG_TOWRITE xarray tags set. In data=journal mode, jbd2 checkpoints journalled dat...

CVE-2026-92502: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ext4: clear stale xarray tags on folios skipped during writeback In data=journal mode, the writeback thread can hit the WARNONONCEsbrdonlysb in ext4journalcheckstart while the superblock is being remounted read-only during reboot...

SUSE CVE-2026-89706

In the Linux kernel, the following vulnerability has been resolved: nfsd: Reset write verifier when async COPY writeback fails Async COPY captures nn-writeverf at request time and reports it to the client via CBOFFLOAD after the worker kthread completes. When the post-copy vfsfsyncrange or...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: mm, thp: Bail out early for writeback pages in collapsefile Currently, collapsefile does not explicitly check PGwriteback. Instead, pagehasprivate and trytoreleasepage are used to filter writeback pages. This approach does not wo...