CVE-2021-47392

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix listener leak in rdmacmalistenonall failure If cmalistenonall fails it leaves the per-device ID still on the listenlist but the state is not set to RDMACMADDRBOUND. When the cmid is eventually destroyed...

CVE-2021-47391 RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdmaaddrcancel happens before issuing more requests The FSM can run in a circle allowing rdmaresolveip to be called twice on the same idpriv. While this cannot happen without going through the work, it violates t...

CVE-2021-47391

CVE-2021-47391 – Linux kernel RDMA CMA race (use-after-free risk) Vulnerability summary from connected advisories: The RDMA/cma component can allow a second rdma_resolve_ip() for the same id_priv due to an invariant violation when the FSM cycles between RDMA_CM_IDLE, RDMA_CM_ADDR_QUERY and RDMA_C...

CVE-2021-47391 RDMA/cma: Ensure rdma_addr_cancel() happens before issuing more requests

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdmaaddrcancel happens before issuing more requests The FSM can run in a circle allowing rdmaresolveip to be called twice on the same idpriv. While this cannot happen without going through the work, it violates t...

CVE-2021-47391

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Ensure rdmaaddrcancel happens before issuing more requests The FSM can run in a circle allowing rdmaresolveip to be called twice on the same idpriv. While this cannot happen without going through the work, it violates t...

CVE-2021-47378 nvme-rdma: destroy cm id before destroy qp to avoid use after free

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cmid before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishme...

CVE-2021-47378 nvme-rdma: destroy cm id before destroy qp to avoid use after free

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cmid before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishme...

CVE-2021-47378

CVE-2021-47378 affects the Linux kernel nvme-rdma code: destroying cm_id before destroying the qp can cause a use-after-free in RDMA error flow. The fix documented in multiple sources is to always destroy cm_id before destroying the qp, with qp subsequently destroyed in nvme_rdma_alloc_queue() af...

CVE-2021-47378

In the Linux kernel, the following vulnerability has been resolved: nvme-rdma: destroy cm id before destroy qp to avoid use after free We should always destroy cmid before destroy qp to avoid to get cma event after qp was destroyed, which may lead to use after free. In RDMA connection establishme...

CVE-2021-47345 RDMA/cma: Fix rdma_resolve_route() memory leak

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix rdmaresolveroute memory leak Fix a memory leak when "mdaresolveroute is called more than once on the same "rdmacmid". This is possible if cmaqueryhandler triggers the RDMACMEVENTROUTEERROR flow which puts the state...

CVE-2021-47345 RDMA/cma: Fix rdma_resolve_route() memory leak

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix rdmaresolveroute memory leak Fix a memory leak when "mdaresolveroute is called more than once on the same "rdmacmid". This is possible if cmaqueryhandler triggers the RDMACMEVENTROUTEERROR flow which puts the state...

CVE-2021-47345

Concrete details found: CVE-2021-47345 affects the Linux kernel’s RDMA/cma path, specifically a memory leak in rdma_resolve_route() when called repeatedly on the same rdma_cm_id. The trigger described in multiple sources is that cma_query_handler() may cause RDMA_CM_EVENT_ROUTE_ERROR, returning t...

CVE-2021-47345

In the Linux kernel, the following vulnerability has been resolved: RDMA/cma: Fix rdmaresolveroute memory leak Fix a memory leak when "mdaresolveroute is called more than once on the same "rdmacmid". This is possible if cmaqueryhandler triggers the RDMACMEVENTROUTEERROR flow which puts the state...

CVE-2021-47266 RDMA/ipoib: Fix warning caused by destroying non-initial netns

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fix warning caused by destroying non-initial netns After the commit 5ce2dced8e95 "RDMA/ipoib: Set rtnllinkops for ipoib interfaces", if the IPoIB device is moved to non-initial netns, destroying that netns lets the...

CVE-2021-47266

CVE-2021-47266 affects the Linux kernel’s RDMA/IPOIB path. After a change that sets rtnl_link_ops for ipoib interfaces, moving an IPoIB device to a non-initial netns can cause the device to disappear when the owning netns is deleted, due to default_device_exit() skipping interfaces with rtnl_link...

CVE-2021-47266 RDMA/ipoib: Fix warning caused by destroying non-initial netns

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fix warning caused by destroying non-initial netns After the commit 5ce2dced8e95 "RDMA/ipoib: Set rtnllinkops for ipoib interfaces", if the IPoIB device is moved to non-initial netns, destroying that netns lets the...

CVE-2021-47266

In the Linux kernel, the following vulnerability has been resolved: RDMA/ipoib: Fix warning caused by destroying non-initial netns After the commit 5ce2dced8e95 "RDMA/ipoib: Set rtnllinkops for ipoib interfaces", if the IPoIB device is moved to non-initial netns, destroying that netns lets the...

CVE-2021-47265 RDMA: Verify port when creating flow rule

In the Linux kernel, the following vulnerability has been resolved: RDMA: Verify port when creating flow rule Validate port value provided by the user and with that remove no longer needed validation by the driver. The missing check in the mlx5ib driver could cause to the below oops. Call trace:...

CVE-2021-47265

CVE-2021-47265 is a Linux kernel RDMA issue in the mlx5_ib driver. The vulnerability stems from missing validation of the user-supplied port when creating a flow rule, leading to an improper check and a kernel oops as shown in the call trace (_create_flow_rule … mlx5_ib_create_flow …). The CVE ha...

CVE-2021-47265

In the Linux kernel, the following vulnerability has been resolved: RDMA: Verify port when creating flow rule Validate port value provided by the user and with that remove no longer needed validation by the driver. The missing check in the mlx5ib driver could cause to the below oops. Call trace:...