CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47080 – RDMA/core: Prevent divide-by-zero error triggered by the user
https://notcve.org/view.php?id=CVE-2021-47080
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: RDMA/core: Prevent divide-by-zero error triggered by the user The user_entry_size is supplied by the user and later used as a denominator to calculate number of entries. The zero supplied by the user will trigger the following divide-by-zero error: divide error: 0000 [#1] SMP KASAN PTI CPU: 4 PID: 497 Comm: c_repro Not tainted 5.13.0-rc1+ #281 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qe... • https://git.kernel.org/stable/c/9f85cbe50aa044a46f0a22fda323fa27b80c82da • CWE-369: Divide By Zero •
CVSS: 5.3EPSS: 0%CPEs: 7EXPL: 0CVE-2021-47078 – RDMA/rxe: Clear all QP fields if creation failed
https://notcve.org/view.php?id=CVE-2021-47078
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Clear all QP fields if creation failed rxe_qp_do_cleanup() relies on valid pointer values in QP for the properly created ones, but in case rxe_qp_from_init() failed it was filled with garbage and caused tot the following error. refcount_t: underflow; use-after-free. WARNING: CPU: 1 PID: 12560 at lib/refcount.c:28 refcount_warn_saturate+0x1d1/0x1e0 lib/refcount.c:28 Modules linked in: CPU: 1 PID: 12560 Comm: syz-executor.4 Not tain... • https://git.kernel.org/stable/c/8700e3e7c4857d28ebaa824509934556da0b3e76 •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47077 – scsi: qedf: Add pointer checks in qedf_update_link_speed()
https://notcve.org/view.php?id=CVE-2021-47077
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: scsi: qedf: Add pointer checks in qedf_update_link_speed() The following trace was observed: [ 14.042059] Call Trace: [ 14.042061]
CVSS: 5.5EPSS: 0%CPEs: 2EXPL: 0CVE-2021-47076 – RDMA/rxe: Return CQE error if invalid lkey was supplied
https://notcve.org/view.php?id=CVE-2021-47076
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Return CQE error if invalid lkey was supplied RXE is missing update of WQE status in LOCAL_WRITE failures. This caused the following kernel panic if someone sent an atomic operation with an explicitly wrong lkey. [leonro@vm ~]$ mkt test test_atomic_invalid_lkey (tests.test_atomic.AtomicTest) ... WARNING: CPU: 5 PID: 263 at drivers/infiniband/sw/rxe/rxe_comp.c:740 rxe_completer+0x1a6d/0x2e30 [rdma_rxe] Modules linked in: crc32_gene... • https://git.kernel.org/stable/c/8700e3e7c4857d28ebaa824509934556da0b3e76 • CWE-20: Improper Input Validation •
CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47075 – nvmet: fix memory leak in nvmet_alloc_ctrl()
https://notcve.org/view.php?id=CVE-2021-47075
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: nvmet: fix memory leak in nvmet_alloc_ctrl() When creating ctrl in nvmet_alloc_ctrl(), if the cntlid_min is larger than cntlid_max of the subsystem, and jumps to the "out_free_changed_ns_list" label, but the ctrl->sqs lack of be freed. Fix this by jumping to the "out_free_sqs" label. In the Linux kernel, the following vulnerability has been resolved: nvmet: fix memory leak in nvmet_alloc_ctrl() When creating ctrl in nvmet_alloc_ctrl(), if t... • https://git.kernel.org/stable/c/94a39d61f80fcd679debda11e1ca02b88d90e67e •
CVSS: 3.3EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47074 – nvme-loop: fix memory leak in nvme_loop_create_ctrl()
https://notcve.org/view.php?id=CVE-2021-47074
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: nvme-loop: fix memory leak in nvme_loop_create_ctrl() When creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl() fails, the loop ctrl should be freed before jumping to the "out" label. In the Linux kernel, the following vulnerability has been resolved: nvme-loop: fix memory leak in nvme_loop_create_ctrl() When creating loop ctrl in nvme_loop_create_ctrl(), if nvme_init_ctrl() fails, the loop ctrl should be freed before jumping ... • https://git.kernel.org/stable/c/3a85a5de29ea779634ddfd768059e06196687aba •
CVSS: 4.6EPSS: 0%CPEs: 5EXPL: 0CVE-2021-47073 – platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios
https://notcve.org/view.php?id=CVE-2021-47073
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios init_dell_smbios_wmi() only registers the dell_smbios_wmi_driver on systems where the Dell WMI interface is supported. While exit_dell_smbios_wmi() unregisters it unconditionally, this leads to the following oops: [ 175.722921] ------------[ cut here ]------------ [ 175.722925] Unexpected driver unregister! [ 175.722939] WARNING: CPU: 1 PID: 3630 at drivers/base/driver.c:194 drive... • https://git.kernel.org/stable/c/1a258e670434f404a4500b65ba1afea2c2b29bba • CWE-99: Improper Control of Resource Identifiers ('Resource Injection') •
CVSS: 5.5EPSS: 0%CPEs: 4EXPL: 0CVE-2021-47071 – uio_hv_generic: Fix a memory leak in error handling paths
https://notcve.org/view.php?id=CVE-2021-47071
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix a memory leak in error handling paths If 'vmbus_establish_gpadl()' fails, the (recv|send)_gpadl will not be updated and 'hv_uio_cleanup()' in the error handling path will not be able to free the corresponding buffer. In such a case, we need to free the buffer explicitly. In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix a memory leak in error handling paths If 'vmbus_establish_gpadl(... • https://git.kernel.org/stable/c/cdfa835c6e5e87d145f9f632b58843de97509f2b •
CVSS: 5.5EPSS: 0%CPEs: 2EXPL: 0CVE-2021-47070 – uio_hv_generic: Fix another memory leak in error handling paths
https://notcve.org/view.php?id=CVE-2021-47070
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by 'vmbus_alloc_ring()' at the beginning of the probe function is never freed in the error handling path. Add the missing 'vmbus_free_ring()' call. Note that it is already freed in the .remove function. In the Linux kernel, the following vulnerability has been resolved: uio_hv_generic: Fix another memory leak in error handling paths Memory allocated by 'vmbus_a... • https://git.kernel.org/stable/c/cdfa835c6e5e87d145f9f632b58843de97509f2b •
CVSS: 5.5EPSS: 0%CPEs: 3EXPL: 0CVE-2021-47069 – ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry
https://notcve.org/view.php?id=CVE-2021-47069
01 Mar 2024 — In the Linux kernel, the following vulnerability has been resolved: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry do_mq_timedreceive calls wq_sleep with a stack local address. The sender (do_mq_timedsend) uses this address to later call pipelined_send. This leads to a very hard to trigger race where a do_mq_timedreceive call might return and leave do_mq_timedsend to rely on an invalid address, causing the following crash: RIP: 0010:wake_q_add_safe+0x13/0x60 Call Trace: __x64_sys_m... • https://git.kernel.org/stable/c/0d97a82ba830d89a1e541cc9cd11f1e38c28e416 • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •