DEBIAN-CVE-2025-21939

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hmm: Don't dereference struct page pointers without notifier lock The pnfs that we obtain from hmmrangefault point to pages that we don't have a reference on, and the guarantee that they are still in the cpu page-tables is...

CVE-2025-21931

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

DEBIAN-CVE-2025-21931

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

UBUNTU-CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

UBUNTU-CVE-2025-21933

In the Linux kernel, the following vulnerability has been resolved: arm: pgtable: fix NULL pointer dereference issue When updatemmucacherange is called by updatemmucache, the vmf parameter is NULL, which will cause a NULL pointer dereference issue in adjustpte: Unable to handle kernel NULL pointe...

UBUNTU-CVE-2025-21945

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2lock If smblock-zerolen has value, -llist of smblock is not delete and flock is old one. It will cause use-after-free on error handling routine...

UBUNTU-CVE-2025-21915

In the Linux kernel, the following vulnerability has been resolved: cdx: Fix possible UAF error in driveroverrideshow Fixed a possible UAF problem in driveroverrideshow in drivers/cdx/cdx.c This function driveroverrideshow is part of DEVICEATTRRW, which includes both driveroverrideshow and...

UBUNTU-CVE-2025-21939

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hmm: Don't dereference struct page pointers without notifier lock The pnfs that we obtain from hmmrangefault point to pages that we don't have a reference on, and the guarantee that they are still in the cpu page-tables is...

UBUNTU-CVE-2025-21931

In the Linux kernel, the following vulnerability has been resolved: hwpoison, memoryhotplug: lock folio before unmap hwpoisoned folio Commit b15c87263a69 "hwpoison, memoryhotplug: allow hwpoisoned pages to be offlined add page poison checks in domigraterange in order to make offline hwpoisoned pa...

UBUNTU-CVE-2025-21969

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix slab-use-after-free Read in l2capsendcmd After the hci sync command releases l2capconn, the hci receive data work queue references the released l2capconn when sending to the upper layer. Add hci dev lock to...

UBUNTU-CVE-2025-21951

In the Linux kernel, the following vulnerability has been resolved: bus: mhi: host: pcigeneric: Use pcitryresetfunction to avoid deadlock There are multiple places from where the recovery work gets scheduled asynchronously. Also, there are multiple places where the caller waits synchronously for...

CVE-2025-21969

CVE-2025-21969 is a Linux kernel vulnerability in the Bluetooth stack (L2CAP). The issue is a slab-use-after-free in l2cap_send_cmd when the hci sync path releases l2cap_conn but a worker still references it. The root cause is a race between the hci receive data work queue and the l2cap_conn life...

CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

CVE-2025-21944 ksmbd: fix bug on trap in smb2_lock

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

CVE-2025-21944 ksmbd: fix bug on trap in smb2_lock

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

CVE-2025-21939 drm/xe/hmm: Don't dereference struct page pointers without notifier lock

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hmm: Don't dereference struct page pointers without notifier lock The pnfs that we obtain from hmmrangefault point to pages that we don't have a reference on, and the guarantee that they are still in the cpu page-tables is...

CVE-2025-21939

CVE-2025-21939 affects the Linux kernel DRM: XEHmm code path. The root cause is dereference of struct page pointers obtained from hmm_range_fault() without holding the notifier lock (and with an invalid/unstable seqno), risking access to pages not owned by the kernel during sg-table construction....

CVE-2025-21939 drm/xe/hmm: Don't dereference struct page pointers without notifier lock

In the Linux kernel, the following vulnerability has been resolved: drm/xe/hmm: Don't dereference struct page pointers without notifier lock The pnfs that we obtain from hmmrangefault point to pages that we don't have a reference on, and the guarantee that they are still in the cpu page-tables is...

CVE-2025-21933 arm: pgtable: fix NULL pointer dereference issue

In the Linux kernel, the following vulnerability has been resolved: arm: pgtable: fix NULL pointer dereference issue When updatemmucacherange is called by updatemmucache, the vmf parameter is NULL, which will cause a NULL pointer dereference issue in adjustpte: Unable to handle kernel NULL pointe...

CVE-2025-21933

CVE-2025-21933: In the Linux kernel (ARM), a NULL pointer dereference can occur in pgtable when update_mmu_cache_range() is invoked with a NULL vmf, causing a NULL dereference in adjust_pte(). The issue is triggered by how PTE locks are acquired; the fix changes the lock decision to be based on w...