CVE-2026-33595

A client can trigger excessive memory allocation by generating a lot of errors responses over a single DoQ and DoH3 connection, as some resources were not properly released until the end of the connection...

CVE-2026-31519

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31514

In the Linux kernel, the following vulnerability has been resolved: erofs: set fileio bio failed in short read case For file-backed mount, IO requests are handled by vfsiocbiterread. However, it can be interrupted by SIGKILL, returning the number of bytes actually copied. Unused folios in bio are...

CVE-2026-31490

In the Linux kernel, the following vulnerability has been resolved: drm/xe/pf: Fix use-after-free in migration restore When an error is returned from xesriovpfmigrationrestoreproduce, the data pointer is not set to NULL, which can trigger use-after-free in subsequent .write calls. Set the pointer...

CVE-2026-31477

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK path, goto out...

CVE-2026-31468

In the Linux kernel, the following vulnerability has been resolved: vfio/pci: Fix double free in dma-buf feature The error path through vfiopcicorefeaturedmabuf ignores its own advice to only use dmabufput after dmabufexport, instead falling through the entire unwind chain. In the unlikely event...

CVE-2026-31451

In the Linux kernel, the following vulnerability has been resolved: ext4: replace BUGON with proper error handling in ext4readinlinefolio Replace BUGON with proper error handling when inline data size exceeds PAGESIZE. This prevents kernel panic and allows the system to continue running while...

CVE-2026-31442

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix possible invalid memory access after FLR In the case that the first Function Level Reset FLR concludes correctly, but in the second FLR the scratch area for the saved configuration cannot be allocated, it's...

CVE-2026-31439

In the Linux kernel, the following vulnerability has been resolved: dmaengine: xilinx: xdma: Fix regmap init error handling devmregmapinitmmio returns an ERRPTR upon error, not NULL. Fix the error check and also fix the error message. Use the error code from ERRPTR instead of the wrong value in r...

CVE-2026-31443

In the Linux kernel, the following vulnerability has been resolved: dmaengine: idxd: Fix crash when the event log is disabled If reporting errors to the event log is not supported by the hardware, and an error that causes Function Level Reset FLR is received, the driver will try to restore the...

CVE-2026-31528 perf: Make sure to use pmu_ctx->pmu for groups

In the Linux kernel, the following vulnerability has been resolved: perf: Make sure to use pmuctx-pmu for groups Oliver reported that x86pmudel ended up doing an out-of-bound memory access when groupschedin fails and needs to roll back. This should be handled by the transaction callbacks, but he...

CVE-2026-31519 btrfs: set BTRFS_ROOT_ORPHAN_CLEANUP during subvol create

In the Linux kernel, the following vulnerability has been resolved: btrfs: set BTRFSROOTORPHANCLEANUP during subvol create We have recently observed a number of subvolumes with broken dentries. ls-ing the parent dir looks like: drwxrwxrwt 1 root root 16 Jan 23 16:49 . drwxr-xr-x 1 root root 24 Ja...

CVE-2026-31518 esp: fix skb leak with espintcp and async crypto

In the Linux kernel, the following vulnerability has been resolved: esp: fix skb leak with espintcp and async crypto When the TX queue for espintcp is full, espoutputtailtcp will return an error and not free the skb, because with synchronous crypto, the common xfrm output code will drop the packe...

CVE-2026-31514

The CVE-2026-31514 issue affects the Linux kernel erofs filesystem: I/O requests for file-backed mounts can be interrupted (SIGKILL) and cause unused folios to be incorrectly marked uptodate, potentially leading to data integrity problems or stale data exposure. Mitigation/patches address this by...

CVE-2026-31514 erofs: set fileio bio failed in short read case

In the Linux kernel, the following vulnerability has been resolved: erofs: set fileio bio failed in short read case For file-backed mount, IO requests are handled by vfsiocbiterread. However, it can be interrupted by SIGKILL, returning the number of bytes actually copied. Unused folios in bio are...

CVE-2026-31500 Bluetooth: btintel: serialize btintel_hw_error() with hci_req_sync_lock

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btintel: serialize btintelhwerror with hcireqsynclock btintelhwerror issues two hcicmdsync calls HCIOPRESET and Intel exception-info retrieval without holding hcireqsynclock. This lets it race against hcidevdoclose -...

CVE-2026-31498 Bluetooth: L2CAP: Fix ERTM re-init and zero pdu_len infinite loop

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: Fix ERTM re-init and zero pdulen infinite loop l2capconfigreq processes CONFIGREQ for channels in BTCONNECTED state to support L2CAP reconfiguration e.g. MTU changes. However, since both CONFINPUTDONE and...

CVE-2026-31490

CVE-2026-31490 affects the Linux kernel drm/xe/pf component. A use-after-free vulnerability occurs when xe_sriov_pf_migration_restore_produce() returns an error and the data pointer is not cleared, potentially enabling memory corruption or a crash. The fix sets the data pointer to NULL on error t...

CVE-2026-31477

In CVE-2026-31477, the Linux kernel ksmbd component smb2_lock() had three error-handling issues after detaching smb_lock from lock_list: (1) non-UNLOCK path leaks smb_lock and its flock when vfs_lock_file() returns an unexpected error, (2) UNLOCK path leaks on -ENOENT with stale error code, and (...

CVE-2026-31477 ksmbd: fix memory leaks and NULL deref in smb2_lock()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix memory leaks and NULL deref in smb2lock smb2lock has three error handling issues after listdel detaches smblock from locklist at nocheckcl: 1 If vfslockfile returns an unexpected error in the non-UNLOCK path, goto out...