UBUNTU-CVE-2026-45942

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

UBUNTU-CVE-2026-46045

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: skip reading rdevs that are not insync When reading bitmap pages from member disks, the code iterates through all rdevs and attempts to read from the first available one. However, it only checks for raiddisk...

UBUNTU-CVE-2026-45961

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix memory leaks in gfs2fillsuper error path Fix two memory leaks in the gfs2fillsuper error handling path when transitioning a filesystem to read-write mode fails. First leak: kthread objects threadstruct, taskstruct, etc...

EUVD-2026-32427

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: skip reading rdevs that are not insync When reading bitmap pages from member disks, the code iterates through all rdevs and attempts to read from the first available one. However, it only checks for raiddisk...

CVE-2026-46045

Technical details for CVE-2026-46045 are not provided in the connected documents. Affected products/versions and patch information are not specified. Monitor vendor advisories and CVE sources for updates.

CVE-2026-46045 md/md-llbitmap: skip reading rdevs that are not in_sync

In the Linux kernel, the following vulnerability has been resolved: md/md-llbitmap: skip reading rdevs that are not insync When reading bitmap pages from member disks, the code iterates through all rdevs and attempts to read from the first available one. However, it only checks for raiddisk...

CVE-2026-45961

CVE-2026-45961 in the Linux kernel’s GFS2 filesystem is fixed: memory leaks occur on gfs2_fill_super() error paths when transitioning to read-write mode. Two leaks are addressed: (1) kernel thread objects (logd, quotad) not destroyed after init_threads() if failure occurs; (2) a quota bitmap buff...

CVE-2026-45961 gfs2: fix memory leaks in gfs2_fill_super error path

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix memory leaks in gfs2fillsuper error path Fix two memory leaks in the gfs2fillsuper error handling path when transitioning a filesystem to read-write mode fails. First leak: kthread objects threadstruct, taskstruct, etc...

CVE-2026-45961 gfs2: fix memory leaks in gfs2_fill_super error path

In the Linux kernel, the following vulnerability has been resolved: gfs2: fix memory leaks in gfs2fillsuper error path Fix two memory leaks in the gfs2fillsuper error handling path when transitioning a filesystem to read-write mode fails. First leak: kthread objects threadstruct, taskstruct, etc...

CVE-2026-45942

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

CVE-2026-45942

Summary of CVE-2026-45942 : A race condition in the Linux kernel ext4 bitmap handling enables inconsistent bitmap reporting due to concurrent page migration and bitmap modification in the load_buddy path. The root cause is that the fast load_buddy path only increments the folio refcount and can o...

CVE-2026-45942 ext4: fix e4b bitmap inconsistency reports

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

CVE-2026-45942

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

CVE-2026-45942 ext4: fix e4b bitmap inconsistency reports

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

kernel: md/bitmap: fix GPF in write_page caused by resize race

A flaw was found in the Linux kernel's md/bitmap component. This vulnerability involves a use-after-free race condition that occurs during array resize operations. When the bitmapdaemonwork and bitmapresize functions execute concurrently, they can access memory pages that have already been freed...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a race condition between page migration and bitmap modification in the ext4 file system. This...

CVE-2025-70103

Heap buffer overflow vulnerability in libjxl 0.12.0 via crafted PBM images to the jxl::extras::DecodeImagePNM function in file lib/extras/dec/pnm.cc...

CVE-2026-45942

In the Linux kernel, the following vulnerability has been resolved: ext4: fix e4b bitmap inconsistency reports A bitmap inconsistency issue was observed during stress tests under mixed huge-page workloads. Ext4 reported multiple e4b bitmap check failures like: ext4mbcomplexscangroup:2508: group...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the gfs2 file system’s gfs2fillsuper function. The improper handling of this function, particular...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the percpuref in the md/md-llbitmap driver. This vulnerability causes permanent damage if the pau...