DEBIAN-CVE-2022-49944

In the Linux kernel, the following vulnerability has been resolved: Revert "usb: typec: ucsi: add a common function ucsiunregisterconnectors" The recent commit 87d0e2f41b8c "usb: typec: ucsi: add a common function ucsiunregisterconnectors" introduced a regression that caused NULL dereference at...

UBUNTU-CVE-2022-50001

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfttproxy: restrict to prerouting hook TPROXY is only allowed from prerouting, but nfttproxy doesn't check this. This fixes a crash null dereference when using tproxy from e.g. output...

UBUNTU-CVE-2022-50148

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in kernfsremove When lockdep is enabled, lockdepassertheldwrite would cause potential NULL pointer dereference. Fix the following smatch warnings: fs/kernfs/dir.c:1353 kernfsremove warn:...

UBUNTU-CVE-2022-50046

In the Linux kernel, the following vulnerability has been resolved: net/sunrpc: fix potential memory leaks in rpcsysfsxprtstatechange The issue happens on some error handling paths. When the function fails to grab the object xprt, it simply returns 0, forgetting to decrease the reference count of...

UBUNTU-CVE-2022-49944

In the Linux kernel, the following vulnerability has been resolved: Revert "usb: typec: ucsi: add a common function ucsiunregisterconnectors" The recent commit 87d0e2f41b8c "usb: typec: ucsi: add a common function ucsiunregisterconnectors" introduced a regression that caused NULL dereference at...

UBUNTU-CVE-2022-50049

In the Linux kernel, the following vulnerability has been resolved: ASoC: DPCM: Don't pick up BE without substream When DPCM tries to add valid BE connections at dpcmaddpaths, it doesn't check whether the picked BE actually supports for the given stream direction. Due to that, when an asymmetric ...

UBUNTU-CVE-2022-50181

In the Linux kernel, the following vulnerability has been resolved: virtio-gpu: fix a missing check to avoid NULL dereference 'cacheent' could be set NULL inside virtiogpucmdgetcapset and it will lead to a NULL dereference by a lately use of it i.e., ptr = cacheent-capscache. Fix it with a NULL...

CVE-2022-50181

In the Linux kernel, the following vulnerability has been resolved: virtio-gpu: fix a missing check to avoid NULL dereference 'cacheent' could be set NULL inside virtiogpucmdgetcapset and it will lead to a NULL dereference by a lately use of it i.e., ptr = cacheent-capscache. Fix it with a NULL...

CVE-2022-50181 virtio-gpu: fix a missing check to avoid NULL dereference

In the Linux kernel, the following vulnerability has been resolved: virtio-gpu: fix a missing check to avoid NULL dereference 'cacheent' could be set NULL inside virtiogpucmdgetcapset and it will lead to a NULL dereference by a lately use of it i.e., ptr = cacheent-capscache. Fix it with a NULL...

CVE-2022-50181

CVE-2022-50181 affects the Linux kernel’s virtio-gpu driver. The vulnerability arises from a missing NULL check in virtio_gpu_cmd_get_capset(), where a NULL-ified cache_ent could be dereferenced (ptr = cache_ent->caps_cache). This results in a NULL pointer dereference. The issue has been resol...

CVE-2022-50181 virtio-gpu: fix a missing check to avoid NULL dereference

In the Linux kernel, the following vulnerability has been resolved: virtio-gpu: fix a missing check to avoid NULL dereference 'cacheent' could be set NULL inside virtiogpucmdgetcapset and it will lead to a NULL dereference by a lately use of it i.e., ptr = cacheent-capscache. Fix it with a NULL...

CVE-2022-50148 kernfs: fix potential NULL dereference in __kernfs_remove

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in kernfsremove When lockdep is enabled, lockdepassertheldwrite would cause potential NULL pointer dereference. Fix the following smatch warnings: fs/kernfs/dir.c:1353 kernfsremove warn:...

CVE-2022-50148

In the Linux kernel, the following vulnerability has been resolved: kernfs: fix potential NULL dereference in kernfsremove When lockdep is enabled, lockdepassertheldwrite would cause potential NULL pointer dereference. Fix the following smatch warnings: fs/kernfs/dir.c:1353 kernfsremove warn:...

CVE-2022-50133

CVE-2022-50133 concerns the Linux kernel where a NULL dereference could occur in usb: xhci_plat_remove due to xhci->shared_hcd being NULL after a specific commit. The vulnerability manifests as an Oops during reboot when the USB xHCI host controller is removed, potentially causing a system cra...

CVE-2022-50133 usb: xhci_plat_remove: avoid NULL dereference

In the Linux kernel, the following vulnerability has been resolved: usb: xhciplatremove: avoid NULL dereference Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a "usb: host: xhci-plat: omit shared hcd if either root hub has no ports" xhci-sharedhcd can be NULL, which causes the following Oops...

CVE-2022-50133

In the Linux kernel, the following vulnerability has been resolved: usb: xhciplatremove: avoid NULL dereference Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a "usb: host: xhci-plat: omit shared hcd if either root hub has no ports" xhci-sharedhcd can be NULL, which causes the following Oops...

CVE-2022-50133 usb: xhci_plat_remove: avoid NULL dereference

In the Linux kernel, the following vulnerability has been resolved: usb: xhciplatremove: avoid NULL dereference Since commit 4736ebd7fcaff1eb8481c140ba494962847d6e0a "usb: host: xhci-plat: omit shared hcd if either root hub has no ports" xhci-sharedhcd can be NULL, which causes the following Oops...

CVE-2022-50091 locking/csd_lock: Change csdlock_debug from early_param to __setup

In the Linux kernel, the following vulnerability has been resolved: locking/csdlock: Change csdlockdebug from earlyparam to setup The csdlockdebug kernel-boot parameter is parsed by the earlyparam function csdlockdebug. If set, csdlockdebug invokes staticbranchenable to enable csdlockwait feature...

CVE-2022-50057 fs/ntfs3: Fix NULL deref in ntfs_update_mftmirr

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL deref in ntfsupdatemftmirr If ntfsfillsuper wasn't called then sbi-sb will be equal to NULL. Code should check this ptr before dereferencing. Syzbot hit this issue via passing wrong mount param as can be seen...

CVE-2022-50057

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix NULL deref in ntfsupdatemftmirr If ntfsfillsuper wasn't called then sbi-sb will be equal to NULL. Code should check this ptr before dereferencing. Syzbot hit this issue via passing wrong mount param as can be seen...