CVE-2026-63814

In the Linux kernel, the following vulnerability has been resolved: f2fs: validate ACL entry sizes in f2fsaclfromdisk f2fsaclcount only validates the aggregate ACL xattr length. A malformed ACL can still place ACLUSER or ACLGROUP in a slot that only contains struct f2fsaclentryshort bytes, and...

CVE-2026-63810 block: Avoid mounting the bdev pseudo-filesystem in userspace

In the Linux kernel, the following vulnerability has been resolved: block: Avoid mounting the bdev pseudo-filesystem in userspace The bdev pseudo-filesystem is an internal kernel filesystem with which userspace should not interfere. Unregister it so that userspace cannot even attempt to mount it...

CVE-2026-63808

In the Linux kernel, the following vulnerability has been resolved: exfat: fix potential use-after-free in exfatfinddirentry In exfatfinddirentry, the bufferhead obtained from exfatgetdentry is released with brelsebh before the fall-through TYPEEXTEND branch reads the directory entry through ep...

CVE-2026-63796 ocfs2: reject oversized group bitmap descriptors

In the Linux kernel, the following vulnerability has been resolved: ocfs2: reject oversized group bitmap descriptors ocfs2validategdparent only bounds bgbits against the parent allocator's chain geometry. A malicious descriptor can still claim a bgsize/bgbits pair that exceeds the bitmap bytes th...

CVE-2026-53401 fbdev: omap2: fix use-after-free in omapfb_mmap

In the Linux kernel, the following vulnerability has been resolved: fbdev: omap2: fix use-after-free in omapfbmmap omapfbmmap has a race condition with OMAPFBSETUPPLANE ioctl that can lead to use-after-free: The fbmmap entry point holds mmlock but not lock fbinfo-lock, while ioctl handlers like...

CVE-2026-53392 NFSv4/flexfiles: reject zero filehandle version count

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-53392 NFSv4/flexfiles: reject zero filehandle version count

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

EUVD-2026-45514

In the Linux kernel, the following vulnerability has been resolved: NFSv4/flexfiles: reject zero filehandle version count fflayoutalloclseg decodes the filehandle-version array count from the flexfiles layout body. The value is used as the count for kzallocobjs, and the current code only rejects...

CVE-2026-53392

CVE-2026-53392 affects the Linux kernel’s NFSv4/flexfiles path. The flaw arises in ff_layout_alloc_lseg(), which decodes the filehandle-version array count and uses it to allocate with kzalloc_objs(). A zero count can yield ZERO_SIZE_PTR and get stored in dss_info->fh_versions, while later fle...

CVE-2026-53385

CVE-2026-53385 relates to a Linux kernel issue in vc_screen where a race in vcs_write() can yield a stale vc_data after the console_lock is dropped and re-acquired. If the vc has been deallocated in the interim, a subsequent call to vcs_scr_updated() uses a NULL vc, causing a null-pointer derefer...

CVE-2026-53381

The CVE-2026-53381 issue affects the Linux kernel’s virtiofs path for submount umount. The root cause is a use-after-free (UAF) in iput() invoked from fuse_release_end() when the superblock has already been destroyed; the existing safeguard (wait for num_waiting to drop to zero) only covered the ...

CVE-2026-53378

CVE-2026-53378 – Linux kernel DRM colorop blob reference handling fix Affects: Linux kernel DRM colorop component (drm/colorop) across affected kernel releases as described in multiple sources (NVD, Red Hat, Debian, UBUNTU OSV records). Root cause: The colorop state blob property handling leaked ...

EUVD-2026-45447

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: zero-initialize GART table on allocation GART TLB is flushed after unmapping but not after mapping. Since amdgpubocreatekernel does not zero-initialize the buffer, when a single PTE is written the TLB may speculativel...

CVE-2026-53370

The CVE-2026-53370 issue affects the Linux kernel (perf/x86/intel) related to Auto Counter Reload (ACR) mask validation. Root cause: user-space ACR mask validation (attr.config2) could permit indices from other ACR groups; an invalid mask could cause an early return and skip subsequent groups; hw...

CVE-2026-53370 perf/x86/intel: Improve validation and configuration of ACR masks

In the Linux kernel, the following vulnerability has been resolved: perf/x86/intel: Improve validation and configuration of ACR masks Currently there are several issues on the user space ACR mask validation and configuration. - The validation for user space ACR mask attr.config2 is incomplete,...

PT-2026-61265

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A reference leak occurs in the L2CAP Bluetooth subsystem within the l2cap chan timeout function. The set chan timer function acquires a reference to the channel using l2cap chan hold...

PT-2026-61346

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ALSA sequencer where seq ump process event accesses client-out rfile.output without proper synchronization during the transition between the first-open and...

PT-2026-61351

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Time-of-Check to Time-of-Use TOCTOU double-fetch issue exists in the mana hwc rx event handler function. The hwc msg id is read from DMA-coherent memory and bounds-checked, but is...

PT-2026-61384

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfs component where the list of subrequests attached to stream-subrequests is accessed without locks by the functions netfs collect read results and netfs collec...

PT-2026-61390

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the irq work single function when using PREEMPT RT. In this configuration, non-HARD irq work is executed in per-CPU kthreads through run irq workd, and i...