CVE-2022-50867

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Fix kvzalloc vs statekcalloc usage adrenoshowobject is a trap! It will re-allocate the pointer it is passed on first call, when the data is ascii85 encoded, using kvmalloc/ kvfree. Which means the data passed to it...

UBUNTU-CVE-2023-54305

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this request to avoid panic...

UBUNTU-CVE-2023-54176

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

UBUNTU-CVE-2023-54164

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: fix isoconn related locking and validity issues sk-skstate indicates whether isopisk-conn is valid. Operations that check/update skstate and access conn should hold locksock, otherwise they can race. The order of...

UBUNTU-CVE-2023-54262

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Don't clone flow post action attributes second time The code already clones post action attributes in mlx5ecloneflowattrforpostact. Creating another copy in mlx5etcpostactadd is a erroneous leftover from original...

CVE-2023-54191

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix memory leak in mt7996mcuexit Always purge mcu skb queues in mt7996mcuexit routine even if mt7996firmwarestate fails...

CVE-2023-54176

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54296

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Get source vCPUs from source VM for SEV-ES intrahost migration Fix a goof where KVM tries to grab source vCPUs from the destination VM when doing intrahost migration. Grabbing the wrong vCPU not only hoses the guest, it...

CVE-2022-50826

In the Linux kernel, the following vulnerability has been resolved: ipu3-imgu: Fix NULL pointer dereference in imgusubdevsetselection Calling v4l2subdevgettrycrop and v4l2subdevgettrycompose with a subdev state of NULL leads to a NULL pointer dereference. This can currently happen in...

CVE-2022-50820

In the Linux kernel, the following vulnerability has been resolved: perf/armdmc620: Fix hotplug callback leak in dmc620pmuinit dmc620pmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path. Simil...

CVE-2022-50820

In the Linux kernel, the following vulnerability has been resolved: perf/armdmc620: Fix hotplug callback leak in dmc620pmuinit dmc620pmuinit won't remove the callback added by cpuhpsetupstatemulti when platformdriverregister failed. Remove the callback by cpuhpremovemultistate in fail path. Simil...

CVE-2023-54305

In the Linux kernel, the following vulnerability has been resolved: ext4: refuse to create ea block when umounted The ea block expansion need to access sroot while it is already set as NULL when umount is triggered. Refuse this request to avoid panic...

CVE-2022-50880 wifi: ath10k: add peer map clean up for peer delete in ath10k_sta_state()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath10k: add peer map clean up for peer delete in ath10kstastate When peer delete failed in a disconnect operation, use-after-free detected by KFENCE in below log. It is because for each vdevid and address, it has only one...

CVE-2022-50880

CVE-2022-50880 affects the Linux kernel wifi driver ath10k. The issue arises when a peer deletion fails during disconnect, enabling a use-after-free detected by KFENCE. It occurs because for each vdev_id/address there is a single ath10k_peer, but when firmware reports multiple HTT_T2H_MSG_TYPE_PE...

CVE-2023-54191 wifi: mt76: mt7996: fix memory leak in mt7996_mcu_exit

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix memory leak in mt7996mcuexit Always purge mcu skb queues in mt7996mcuexit routine even if mt7996firmwarestate fails...

CVE-2023-54191 wifi: mt76: mt7996: fix memory leak in mt7996_mcu_exit

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7996: fix memory leak in mt7996mcuexit Always purge mcu skb queues in mt7996mcuexit routine even if mt7996firmwarestate fails...

CVE-2023-54191

The CVE-2023-54191 issue affects the Linux kernel MT76 wifi driver (mt7996). A memory leak occurs when mt7996_mcu_exit fails to purge mcu skb queues if mt7996_firmware_state fails, potentially enabling local DoS through memory exhaustion. Public bulletins from Red Hat and OSV family sources descr...

CVE-2023-54176 mptcp: stricter state check in mptcp_worker

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54176 mptcp: stricter state check in mptcp_worker

In the Linux kernel, the following vulnerability has been resolved: mptcp: stricter state check in mptcpworker As reported by Christoph, the mptcp protocol can run the worker when the relevant msk socket is in an unexpected state: connect // incoming reset + fastclose // the mptcp worker is...

CVE-2023-54176

Mode C: Concrete details present. CVE-2023-54176 affects the Linux kernel MPTCP path where mptcp_worker could run while the msk socket was in an unexpected state (connect/fastclose sequence leading to a partition crash). The fix implements a stricter state check in mptcp_worker by preventing exec...