CVE-2023-54292 RDMA/irdma: Fix data race on CQP request done

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix data race on CQP request done KCSAN detects a data race on cqprequest-requestdone memory location which is accessed locklessly in irdmahandlecqpop while being updated in irdmacqpcehandler. Annotate lockless intent...

CVE-2023-54292

CVE-2023-54292 : In the Linux kernel's RDMA/irdma subsystem, a data race was fixed in the CQP request_done field. KCSAN detected a race when irdma_handle_cqp_op read/write access occurs locklessly while irdma_cqp_ce_handler updates it. The fix annotates lockless accesses with READ_ONCE/WRITE_ONCE...

CVE-2023-54292

In the Linux kernel, the following vulnerability has been resolved: RDMA/irdma: Fix data race on CQP request done KCSAN detects a data race on cqprequest-requestdone memory location which is accessed locklessly in irdmahandlecqpop while being updated in irdmacqpcehandler. Annotate lockless intent...

CVE-2023-54242

CVE-2023-54242 affects the Linux kernel in the block bfq I/O elevator. The issue is a division by zero when the weighted sum (wsum) equals zero, causing an invalid calculation of the limit during bfq_limit_depth. The vulnerability could trigger a divide error as observed in a stress-ng stress tes...

CVE-2023-54236

CVE-2023-54236 is a Linux kernel vulnerability related to the net_failover path, where the transmit queue (txq) count could exceed the number of available TX queues, leading to a warning such as “eth0 selects TX queue 18, but real number of TX queues is 16.” The provided documents confirm that th...

CVE-2023-54236

In the Linux kernel, the following vulnerability has been resolved: net/netfailover: fix txq exceeding warning The failover txq is inited as 16 queues. when a packet is transmitted from the failover device firstly, the failover device will select the queue which is returned from the primary devic...

CVE-2023-54236 net/net_failover: fix txq exceeding warning

In the Linux kernel, the following vulnerability has been resolved: net/netfailover: fix txq exceeding warning The failover txq is inited as 16 queues. when a packet is transmitted from the failover device firstly, the failover device will select the queue which is returned from the primary devic...

CVE-2023-54236 net/net_failover: fix txq exceeding warning

In the Linux kernel, the following vulnerability has been resolved: net/netfailover: fix txq exceeding warning The failover txq is inited as 16 queues. when a packet is transmitted from the failover device firstly, the failover device will select the queue which is returned from the primary devic...

CVE-2023-54227 blk-mq: fix tags leak when shrink nr_hw_queues

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

CVE-2023-54227 blk-mq: fix tags leak when shrink nr_hw_queues

In the Linux kernel, the following vulnerability has been resolved: blk-mq: fix tags leak when shrink nrhwqueues Although we don't need to realloc set-tags when shrink nrhwqueues, we need to free them. Or these tags will be leaked. How to reproduce: 1. mount -t configfs configfs /mnt 2. modprobe...

CVE-2023-54223

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix invalid buffer access for legacy rq The below crash can be encountered when using xdpsock in rx mode for legacy rq: the buffer gets released in the XDPREDIRECT path, and then once again in the driver. This fix...

CVE-2023-54223 net/mlx5e: xsk: Fix invalid buffer access for legacy rq

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix invalid buffer access for legacy rq The below crash can be encountered when using xdpsock in rx mode for legacy rq: the buffer gets released in the XDPREDIRECT path, and then once again in the driver. This fix...

CVE-2023-54223 net/mlx5e: xsk: Fix invalid buffer access for legacy rq

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix invalid buffer access for legacy rq The below crash can be encountered when using xdpsock in rx mode for legacy rq: the buffer gets released in the XDPREDIRECT path, and then once again in the driver. This fix...

CVE-2023-54223

Technical details for CVE-2023-54223 are not provided in the connected documents; the materials cite a Linux kernel XDP/XSK fix but do not include affected products/versions or fixes. Monitor for updates.

CVE-2022-50838 net: stream: purge sk_error_queue in sk_stream_kill_queues()

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2022-50838

CVE-2022-50838 concerns a Linux kernel issue in net: stream where the socket error queue (sk_error_queue) was not purged on socket close, enabling TCP socket leaks and potential memory exhaustion. The root cause involves TX timestamping and error queue handling: when SOF_TIMESTAMPING_TX_ACK is en...

CVE-2022-50838 net: stream: purge sk_error_queue in sk_stream_kill_queues()

In the Linux kernel, the following vulnerability has been resolved: net: stream: purge skerrorqueue in skstreamkillqueues Changheon Lee reported TCP socket leaks, with a nice repro. It seems we leak TCP sockets with the following sequence: 1 SOFTIMESTAMPINGTXACK is enabled on the socket. Each ACK...

CVE-2022-50833

CVE-2022-50833 relates to the Linux kernel Bluetooth HCI work queue handling. The issue arose when scheduling hdev->{cmd,ncmd}_timer work on the hdev->workqueue during a draining WQ, which could conflict with a destruction-during-queue state. The mitigation involves using the hdev->workq...

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 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...