UBUNTU-CVE-2022-49087

In the Linux kernel, the following vulnerability has been resolved: rxrpc: fix a race in rxrpcexitnet Current code can lead to the following race: CPU0 CPU1 rxrpcexitnet rxrpcpeerkeepaliveworker if rxnet-live rxnet-live = false; deltimersync&rxnet-peerkeepalivetimer;...

UBUNTU-CVE-2022-49129

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix crash when startup fails. If the nic fails to start, it is possible that the resetwork has already been scheduled. Ensure the work item is canceled so we do not have use-after-free crash in case cleanup is calle...

UBUNTU-CVE-2022-49168

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not clean up repair bio if submit fails The submit helper will always run bioendio on the bio if it fails to submit, so cleaning up the bio just leads to a variety of use-after-free and NULL pointer dereference bugs...

UBUNTU-CVE-2022-49061

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: stmmac: fix altrtsepcs function when using a fixed-link When using a fixed-link, the altrtsepcs driver crashes due to null-pointer dereference as no phydevice is provided to tsepcsfixmacspeed function. Fix this by...

UBUNTU-CVE-2022-49224

In the Linux kernel, the following vulnerability has been resolved: power: supply: ab8500: Fix memory leak in ab8500fgsysfsinit kobjectinitandadd takes reference even when it fails. According to the doc of kobjectinitandadd： If this function returns an error, kobjectput must be called to properly...

UBUNTU-CVE-2022-49076

In the Linux kernel, the following vulnerability has been resolved: RDMA/hfi1: Fix use-after-free bug for mm struct Under certain conditions, such as MPIAbort, the hfi1 cleanup code may represent the last reference held on the task mm. hfi1mmurbunregister then drops the last reference and the mm ...

UBUNTU-CVE-2022-49111

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: Fix use after free in hcisendacl This fixes the following trace caused by receiving HCIEVDISCONNPHYLINKCOMPLETE which does call hciconndel without first checking if conn-type is in fact AMPLINK and in case it is do...

AZL-67670 CVE-2021-47658 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix a potential gpumetricstable memory leak Memory is allocated for gpumetricstable in renoirinitsmctables, but not freed in int smuv120finismctables. Free it!...

DEBIAN-CVE-2021-47658

In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix a potential gpumetricstable memory leak Memory is allocated for gpumetricstable in renoirinitsmctables, but not freed in int smuv120finismctables. Free it!...

DEBIAN-CVE-2021-47660

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix some memory leaks in an error handling path of 'logreplay' All error handling paths lead to 'out' where many resources are freed. Do it as well here instead of a direct return, otherwise 'log', 'ra' and...

UBUNTU-CVE-2021-47660

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix some memory leaks in an error handling path of 'logreplay' All error handling paths lead to 'out' where many resources are freed. Do it as well here instead of a direct return, otherwise 'log', 'ra' and...

CVE-2022-49669

CVE-2022-49669 concerns the Linux kernel’s MPTCP implementation. A race occurs when the listener socket closes and frees unaccepted subflows, potentially allowing a UaF as the MPTCP socket worker runs between delete operations and accesses msk->first. The fix entails traversing the listener so...

CVE-2022-49669

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49669 mptcp: fix race on unaccepted mptcp sockets

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49669 mptcp: fix race on unaccepted mptcp sockets

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49669 mptcp: fix race on unaccepted mptcp sockets

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix race on unaccepted mptcp sockets When the listener socket owning the relevant request is closed, it frees the unaccepted subflows and that causes later deletion of the paired MPTCP sockets. The mptcp socket's worker ca...

CVE-2022-49651

CVE-2022-49651 affects the Linux kernel. The advisory states that cleanup_srcu_struct() now checks for a grace period that is started but not yet started, addressing a potential use-after-free (UAF). It is resolved by a commit tightening GP checks in cleanup_srcu_struct(), with references to kern...

CVE-2022-49651 srcu: Tighten cleanup_srcu_struct() GP checks

In the Linux kernel, the following vulnerability has been resolved: srcu: Tighten cleanupsrcustruct GP checks Currently, cleanupsrcustruct checks for a grace period in progress, but it does not check for a grace period that has not yet started but which might start at any time. Such a situation...

CVE-2022-49651

In the Linux kernel, the following vulnerability has been resolved: srcu: Tighten cleanupsrcustruct GP checks Currently, cleanupsrcustruct checks for a grace period in progress, but it does not check for a grace period that has not yet started but which might start at any time. Such a situation...

CVE-2022-49636

CVE-2022-49636 affects the Linux kernel VLAN code, specifically a memory leak in vlan_newlink/vlan_changelink paths. The issue arises when a memory allocation fails in vlan_changelink() after prior allocations succeed; memory allocated for egress priority/vlan_dev structures may remain referenced...