UBUNTU-CVE-2022-49527

In the Linux kernel, the following vulnerability has been resolved: media: venus: hfi: avoid null dereference in deinit If venusprobe fails at pmruntimeputsync the error handling first calls hfidestroy and afterwards hficoredeinit. As hfidestroy sets core-ops to NULL, hficoredeinit cannot call th...

UBUNTU-CVE-2022-49337

In the Linux kernel, the following vulnerability has been resolved: ocfs2: dlmfs: fix error handling of userdlmdestroylock When userdlmdestroylock failed, it didn't clean up the flags it set before exit. For USERLOCKINTEARDOWN, if this function fails because of lock is still in used, next time wh...

UBUNTU-CVE-2022-49468

In the Linux kernel, the following vulnerability has been resolved: thermal/core: Fix memory leak in thermalcoolingdeviceregister I got memory leak as follows when doing fault injection test: unreferenced object 0xffff888010080000 size 264312: comm "182", pid 102533, jiffies 4296434960 age 10.100...

CVE-2022-49568

CVE-2022-49568 affects the Linux kernel KVM code path, where a NULL dereference can occur during cleanup if destroy() is assumed non-NULL but is not (notably for some Book3s KVM devices that use release() instead). The root cause is an assumption in kvm_ioctl_create_device() that destroy() is alw...

CVE-2022-49568 KVM: Don't null dereference ops->destroy

In the Linux kernel, the following vulnerability has been resolved: KVM: Don't null dereference ops-destroy A KVM device cleanup happens in either of two callbacks: 1 destroy which is called when the VM is being destroyed; 2 release which is called when a device fd is closed. Most KVM devices use...

CVE-2022-49468 thermal/core: Fix memory leak in __thermal_cooling_device_register()

In the Linux kernel, the following vulnerability has been resolved: thermal/core: Fix memory leak in thermalcoolingdeviceregister I got memory leak as follows when doing fault injection test: unreferenced object 0xffff888010080000 size 264312: comm "182", pid 102533, jiffies 4296434960 age 10.100...

CVE-2022-49220 dax: make sure inodes are flushed before destroy cache

In the Linux kernel, the following vulnerability has been resolved: dax: make sure inodes are flushed before destroy cache A bug can be triggered by following command $ modprobe ndpmem && modprobe -r ndpmem 10.060014 BUG daxcache Not tainted: Objects remaining in daxcache on kmemcacheshutdown...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the failure to clear flags when userdlmdestroylock fails, which could lead to reuse after release...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from tty: goldfish not properly destroying ports in the wrong path...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from an unchecked destroy callback that could lead to a null pointer dereference...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a call timer start and call destroy contention...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: xdp: fixed an invalid wait context in pagepoolDestroy If the driver uses a page pool, it creates a page pool using pagepoolcreate. The reference count of the page pool is 1 by default. A page pool will only be destroyed when the...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed the potential use of a null pointer in destroyworkqueue within the error path of initcifs. Dan Carpenter reported a Smack static checker warning: fs/smb/client/cifsfs.c:1981 initcifs Error: We previously assumed th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: netfilter: nfnetlinkqueue: acquire rcureadlock in instanceDestroyrcu syzbot reported that nfreinject could be called without rcureadlock: WARNING: suspicious RCU usage 6.9.0-rc7-syzkaller-02060-g5c1672705a1a 0 Not tainted...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: HID: amdsfh: “Free driverdata after destroying hid device” Driver callbacks are no longer called after the hiddestroydevice function is called. Therefore, the driverdata should only be freed after the hiddestroydevice function...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fixed the issue with rcudereferenceprotected. When destroying all sets, we are either in the pernetexit phase or executing a “destroy all sets” command from user space. The latter was taken into account in...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrumacltcam: Fixed NULL pointer dereferencing in the error path When calling mlxswspacltcamregiondestroy from an error path after failing to attach the region to an ACL group, we encountered a NULL pointer dereferencin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: VMCI: Fixed a use-after-free when removing a resource in vmciresourceremove. When removing a resource from vmciresourcetable in vmciresourceremove, the search for the resource is performed by comparing the context and resource...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dstdestroy 1 Issue is in xfrm6netinit and xfrm4netinit : They copy xfrm46dstopstemplate into net-xfrm.xfrm46dstops. But net structure...

Astra Linux - уязвимость в linux

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu: fix refcount leak Why the gem object rfb-base.obj0 is get according to numplanes in amdgpufbcreate, but is not put according to numplanes How put rfb-base.obj0 in amdgpufbdevdestroy according to numplanes...