CVE-2026-43284-

CVE-2026-43284 Dirty Flag（本地权限提升） 截至2026年5月初，Dirty Frag 指的是一类高严重性的 Linux 内核漏洞（CVE-2026-43284 和 CVE-2026-43500）。影响：它允许非特权用户通过利用内核处理内存碎片和网络的方式获得 root 访问权限（完全的管理控制权）。范围：它影响自2017年以来发布的大多数主流发行版（例如 Ubuntu、RHEL、Fedora），并且被认为比之前的“竞态条件”漏洞利用更可靠。 受影响的 Linux 列表 A 143 144 Linux: Linux xxxx 5.4.0-104-generic...

CVE-2026-89832

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty flag on folio in error path If node block is corrupted due to chksum mismatch or inconsistent footer info, it needs to drop clear flag of node folio, in order to persist inconsistent node data to storage...

DEBIAN-CVE-2026-89800

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: clear the dirty flag when unwinding an OPUNMAPSPARSE A successful OPUNMAPSPARSE marks its region dirty with nouveauuvmaregiondirty and defers the teardown to nouveauuvmmbindjobcleanup; it does not remove the...

EUVD-2026-80432

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty flag on folio in error path If node block is corrupted due to chksum mismatch or inconsistent footer info, it needs to drop clear flag of node folio, in order to persist inconsistent node data to storage...

CVE-2026-89832 f2fs: fix to clear dirty flag on folio in error path

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to clear dirty flag on folio in error path If node block is corrupted due to chksum mismatch or inconsistent footer info, it needs to drop clear flag of node folio, in order to persist inconsistent node data to storage...

CVE-2026-89832

CVE-2026-89832 affects the f2fs filesystem in the Linux kernel . The root cause is that when a node block is corrupted due to a checksum mismatch or inconsistent footer info, the dirty flag on the node folio was not properly cleared in the error path, causing inconsistent node data to be persiste...

CVE-2026-89800 drm/nouveau/uvmm: clear the dirty flag when unwinding an OP_UNMAP_SPARSE

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: clear the dirty flag when unwinding an OPUNMAPSPARSE A successful OPUNMAPSPARSE marks its region dirty with nouveauuvmaregiondirty and defers the teardown to nouveauuvmmbindjobcleanup; it does not remove the...

CVE-2026-89800

CVE-2026-89800 affects the drm/nouveau/uvmm component of the Linux kernel (NVIDIA Nouveau virtual unified memory management). The root cause is a missing cleanup during job unwinding: when a successful OP_UNMAP_SPARSE marks a region dirty and defers teardown, a subsequent failure in a later opera...

EUVD-2026-80400

In the Linux kernel, the following vulnerability has been resolved: drm/nouveau/uvmm: clear the dirty flag when unwinding an OPUNMAPSPARSE A successful OPUNMAPSPARSE marks its region dirty with nouveauuvmaregiondirty and defers the teardown to nouveauuvmmbindjobcleanup; it does not remove the...

CVE-2026-89601

In the Linux kernel, the following vulnerability has been resolved: ext2: Fix lost inode updates for ISSYNC inodes ext2setsize and ext2xattrset2 had a construct like: if ISSYNCinode syncinodemetadatainode, 1; else markinodedirtyinode; which leads to lost inode updates for ISSYNC inodes because...

CVE-2026-89772

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

UBUNTU-CVE-2026-89772

In the Linux kernel, the following vulnerability has been resolved: btrfs: write-protect folios during data writeback commit 095be159f3eb "btrfs: unify folio dirty flag clearing" replaced the foliocleardirtyforio call in extentwritecachepages with a plain foliotestdirty check. Besides clearing th...

SUSE CVE-2026-64058

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadfolio to wait on writeback Fix netfsreadfolio to wait for an ongoing writeback to complete so that it can trust the dirty flag and whatever is attached to folio-private folio-private may get cleaned up by the...

CVE-2026-64058

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadfolio to wait on writeback Fix netfsreadfolio to wait for an ongoing writeback to complete so that it can trust the dirty flag and whatever is attached to folio-private folio-private may get cleaned up by the...

CVE-2026-64064

CVE-2026-64064 affects the Linux kernel netfs library , specifically netfs_invalidate_folio(). When a streaming write leaves a folio in a dirty state and the file is subsequently truncated, the netfs_folio struct is discarded while the dirty flag remains set . A later mmap() read triggers netfs_r...

CVE-2026-64064 netfs: Fix netfs_invalidate_folio() to clear dirty bit if all changes gone

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsinvalidatefolio to clear dirty bit if all changes gone If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfsfolio struct hung off of folio-privat...

EUVD-2026-45637

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsinvalidatefolio to clear dirty bit if all changes gone If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfsfolio struct hung off of folio-privat...

CVE-2026-64064 netfs: Fix netfs_invalidate_folio() to clear dirty bit if all changes gone

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsinvalidatefolio to clear dirty bit if all changes gone If a streaming write is made, this will leave the relevant modified folio in a not-uptodate, but dirty state with a netfsfolio struct hung off of folio-privat...

CVE-2026-64058 netfs: Fix netfs_read_folio() to wait on writeback

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadfolio to wait on writeback Fix netfsreadfolio to wait for an ongoing writeback to complete so that it can trust the dirty flag and whatever is attached to folio-private folio-private may get cleaned up by the...

CVE-2026-64058

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix netfsreadfolio to wait on writeback Fix netfsreadfolio to wait for an ongoing writeback to complete so that it can trust the dirty flag and whatever is attached to folio-private folio-private may get cleaned up by the...