UBUNTU-CVE-2022-50825

In the Linux kernel, the following vulnerability has been resolved: usb: typec: wusb3801: fix fwnode refcount leak in wusb3801probe I got the following report while doing fault injection test: OF: ERROR: memory leak, expected refcount 1 instead of 4, ofnodeget/ofnodeput unbalanced - destroy cset...

UBUNTU-CVE-2022-50843

In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clonedtr Dmclone also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in clonedtr...

CVE-2022-50843

In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clonedtr Dmclone also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in clonedtr...

CVE-2022-50889 dm integrity: Fix UAF in dm_integrity_dtr()

In the Linux kernel, the following vulnerability has been resolved: dm integrity: Fix UAF in dmintegritydtr Dmintegrity also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in dmintegritydtr...

CVE-2022-50889

CVE-2022-50889 concerns the Linux kernel’s device-mapper integrity path. The issue is a use-after-free in dm_integrity_dtr(), with a similar UAF risk when dm_resume() and dm_destroy() run concurrently. The patch reportedly cancels the timer again in dm_integrity_dtr() as part of the fix, and mult...

CVE-2022-50889 dm integrity: Fix UAF in dm_integrity_dtr()

In the Linux kernel, the following vulnerability has been resolved: dm integrity: Fix UAF in dmintegritydtr Dmintegrity also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in dmintegritydtr...

CVE-2022-50881 wifi: ath9k: Fix use-after-free in ath9k_hif_usb_disconnect()

In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: Fix use-after-free in ath9khifusbdisconnect This patch fixes a use-after-free in ath9k that occurs in ath9khifusbdisconnect when ath9kdestroywmi is trying to access 'drvpriv' that has already been freed by...

CVE-2022-50881

CVE-2022-50881 concerns the Linux kernel’s wifi driver ath9k (ath9k_htc) and describes a use-after-free in ath9k_destroy_wmi() triggered during usb disconnect handling. The root cause is access to drv_priv after ieee80211_free_hw() frees hardware in ath9k_htc_hw_deinit(), leading to a use-after-f...

CVE-2023-54260

CVE-2023-54260 — Linux kernel (CIFS): The vulnerability occurs when MR allocation fails during CIFS SMB direct connection handling; if the MR allocate fails and the smb direct connection info is NULL, smbd_destroy() returns early and leaks the connection info. The fix updates the shutdown path by...

CVE-2023-54260 cifs: Fix lost destroy smbd connection when MR allocate failed

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix lost destroy smbd connection when MR allocate failed If the MR allocate failed, the smb direct connection info is NULL, then smbddestroy will directly return, then the connection info will be leaked. Let's set the smb...

CVE-2022-50860 apparmor: Fix memleak in alloc_ns()

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in allocns After changes in commit a1bd627b46d1 "apparmor: share profile name on replacement", the hname member of struct aapolicy is not valid slab object, but a subset of that, it can not be freed by...

CVE-2022-50860 apparmor: Fix memleak in alloc_ns()

In the Linux kernel, the following vulnerability has been resolved: apparmor: Fix memleak in allocns After changes in commit a1bd627b46d1 "apparmor: share profile name on replacement", the hname member of struct aapolicy is not valid slab object, but a subset of that, it can not be freed by...

CVE-2023-54235 PCI/DOE: Fix destroy_work_on_stack() race

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix destroyworkonstack race The following debug object splat was observed in testing: ODEBUG: free active active state 0 object: 0000000097d23782 object type: workstruct hint: doestatemachinework+0x0/0x510 WARNING: CPU: ...

CVE-2023-54235 PCI/DOE: Fix destroy_work_on_stack() race

In the Linux kernel, the following vulnerability has been resolved: PCI/DOE: Fix destroyworkonstack race The following debug object splat was observed in testing: ODEBUG: free active active state 0 object: 0000000097d23782 object type: workstruct hint: doestatemachinework+0x0/0x510 WARNING: CPU: ...

CVE-2023-54235

CVE-2023-54235 affects the Linux kernel and describes a race in the PCI/DOE path where destroy_work_on_stack() could race with the PCI DOE worker’s work_struct going out of scope. The issue manifested as a debug object dump and warning in the DoE workqueue (pci 0000:36:00.0 DOE). The recommended ...

CVE-2022-50843

CVE-2022-50843 refers to a Linux kernel vulnerability in the dm clone path, specifically a use-after-free (UAF) in clone_dtr() that also affects dm_clone when dm_resume() and dm_destroy() run concurrently. The issue was addressed by cancelling the timer again in clone_dtr(), with fixes implemente...

CVE-2022-50843 dm clone: Fix UAF in clone_dtr()

In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clonedtr Dmclone also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in clonedtr...

CVE-2022-50843 dm clone: Fix UAF in clone_dtr()

In the Linux kernel, the following vulnerability has been resolved: dm clone: Fix UAF in clonedtr Dmclone also has the same UAF problem when dmresume and dmdestroy are concurrent. Therefore, cancelling timer again in clonedtr...

CVE-2023-54201 RDMA/efa: Fix wrong resources deallocation order

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fix wrong resources deallocation order When trying to destroy QP or CQ, we first decrease the refcount and potentially free memory regions allocated for the object and then request the device to destroy the object. If t...

CVE-2023-54201

CVE-2023-54201 (RDMA/efa) in the Linux kernel fixed an incorrect resource-deallocation order when destroying QP/CQ. The patch ensures resources are deallocated in reverse allocation order; otherwise a device failure can leave the object partially destroyed, allowing a second destroy attempt that ...