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Linux Kernel Security Vulnerabilities

cve
cve

CVE-2021-47070

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....

6.2AI Score

0.0004EPSS

2024-03-01 10:15 PM
55
cve
cve

CVE-2021-47071

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...

6.4AI Score

0.0004EPSS

2024-03-01 10:15 PM
52
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cve

CVE-2021-47069

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...

6.3AI Score

0.0004EPSS

2024-03-01 10:15 PM
620
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cve

CVE-2023-52497

In the Linux kernel, the following vulnerability has been resolved: erofs: fix lz4 inplace decompression Currently EROFS can map another compressed buffer for inplace decompression, that was used to handle the cases that some pages of compressed data are actually not in-place I/O. However, like...

6.5AI Score

0.0004EPSS

2024-03-01 02:15 PM
2635
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cve

CVE-2021-47065

In the Linux kernel, the following vulnerability has been resolved: rtw88: Fix array overrun in rtw_get_tx_power_params() Using a kernel with the Undefined Behaviour Sanity Checker (UBSAN) enabled, the following array overrun is logged:...

6.3AI Score

0.0004EPSS

2024-02-29 11:15 PM
58
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cve

CVE-2021-47066

In the Linux kernel, the following vulnerability has been resolved: async_xor: increase src_offs when dropping destination page Now we support sharing one page if PAGE_SIZE is not equal stripe size. To support this, it needs to support calculating xor value with different offsets for each r5dev....

6.7AI Score

0.0004EPSS

2024-02-29 11:15 PM
67
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cve

CVE-2021-47067

In the Linux kernel, the following vulnerability has been resolved: soc/tegra: regulators: Fix locking up when voltage-spread is out of range Fix voltage coupler lockup which happens when voltage-spread is out of range due to a bug in the code. The max-spread requirement shall be accounted when...

6.5AI Score

0.0004EPSS

2024-02-29 11:15 PM
60
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cve

CVE-2021-47068

In the Linux kernel, the following vulnerability has been resolved: net/nfc: fix use-after-free llcp_sock_bind/connect Commits 8a4cd82d ("nfc: fix refcount leak in llcp_sock_connect()") and c33b1cc62 ("nfc: fix refcount leak in llcp_sock_bind()") fixed a refcount leak bug in bind/connect but...

7.1AI Score

0.0004EPSS

2024-02-29 11:15 PM
2062
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cve

CVE-2021-47059

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - fix result memory leak on error path This patch fixes a memory leak on an error...

6.7AI Score

0.0004EPSS

2024-02-29 11:15 PM
60
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cve

CVE-2021-47016

In the Linux kernel, the following vulnerability has been resolved: m68k: mvme147,mvme16x: Don't wipe PCC timer config bits Don't clear the timer 1 configuration bits when clearing the interrupt flag and counter overflow. As Michael reported, "This results in no timer interrupts being delivered...

6.5AI Score

0.0004EPSS

2024-02-29 11:15 PM
1977
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cve

CVE-2021-47062

In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Use online_vcpus, not created_vcpus, to iterate over vCPUs Use the kvm_for_each_vcpu() helper to iterate over vCPUs when encrypting VMSAs for SEV, which effectively switches to use online_vcpus instead of created_vcpus. ....

6.7AI Score

0.0004EPSS

2024-02-29 11:15 PM
56
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cve

CVE-2021-47055

In the Linux kernel, the following vulnerability has been resolved: mtd: require write permissions for locking and badblock ioctls MEMLOCK, MEMUNLOCK and OTPLOCK modify protection bits. Thus require write permission. Depending on the hardware MEMLOCK might even be write-once, e.g. for SPI-NOR...

6.4AI Score

0.0004EPSS

2024-02-29 11:15 PM
1965
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cve

CVE-2021-47054

In the Linux kernel, the following vulnerability has been resolved: bus: qcom: Put child node before return Put child node before return to fix potential reference count leak. Generally, the reference count of child is incremented and decremented automatically in the macro...

6.3AI Score

0.0004EPSS

2024-02-29 11:15 PM
65
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cve

CVE-2021-47056

In the Linux kernel, the following vulnerability has been resolved: crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init ADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown() before calling adf_iov_putmsg()->mutex_lock(vf2pf_lock), however the vf2pf_lock is...

6.3AI Score

0.0004EPSS

2024-02-29 11:15 PM
61
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cve

CVE-2021-47063

In the Linux kernel, the following vulnerability has been resolved: drm: bridge/panel: Cleanup connector on bridge detach If we don't call drm_connector_cleanup() manually in panel_bridge_detach(), the connector will be cleaned up with the other DRM objects in the call to...

6.2AI Score

0.0004EPSS

2024-02-29 11:15 PM
61
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cve

CVE-2021-47064

In the Linux kernel, the following vulnerability has been resolved: mt76: fix potential DMA mapping leak With buf uninitialized in mt76_dma_tx_queue_skb_raw, its field skip_unmap could potentially inherit a non-zero value from stack garbage. If this happens, it will cause DMA mappings for MCU...

6.5AI Score

0.0004EPSS

2024-02-29 11:15 PM
61
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cve

CVE-2021-47058

In the Linux kernel, the following vulnerability has been resolved: regmap: set debugfs_name to NULL after it is freed There is a upstream commit cffa4b2122f5("regmap:debugfs: Fix a memory leak when calling regmap_attach_dev") that adds a if condition when create name for debugfs_name. With below.....

6.5AI Score

0.0004EPSS

2024-02-29 11:15 PM
1932
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cve

CVE-2021-47061

In the Linux kernel, the following vulnerability has been resolved: KVM: Destroy I/O bus devices on unregister failure after sync'ing SRCU If allocating a new instance of an I/O bus fails when unregistering a device, wait to destroy the device until after all readers are guaranteed to see the new.....

6.4AI Score

0.0004EPSS

2024-02-29 11:15 PM
60
cve
cve

CVE-2021-47020

In the Linux kernel, the following vulnerability has been resolved: soundwire: stream: fix memory leak in stream config error path When stream config is failed, master runtime will release all slave runtime in the slave_rt_list, but slave runtime is not added to the list at this time. This patch...

6.4AI Score

0.0004EPSS

2024-02-29 11:15 PM
60
cve
cve

CVE-2021-47060

In the Linux kernel, the following vulnerability has been resolved: KVM: Stop looking for coalesced MMIO zones if the bus is destroyed Abort the walk of coalesced MMIO zones if kvm_io_bus_unregister_dev() fails to allocate memory for the new instance of the bus. If it can't instantiate a new bus,.....

6.5AI Score

0.0004EPSS

2024-02-29 11:15 PM
1951
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cve

CVE-2021-46959

In the Linux kernel, the following vulnerability has been resolved: spi: Fix use-after-free with devm_spi_alloc_* We can't rely on the contents of the devres list during spi_unregister_controller(), as the list is already torn down at the time we perform devres_find() for...

6.6AI Score

0.0004EPSS

2024-02-29 11:15 PM
1943
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cve

CVE-2021-47057

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of object d when dma_iv fails to map In the case where the dma_iv mapping fails, the return error path leaks the memory allocated to object d. Fix this by adding a new error return label and...

6.5AI Score

0.0004EPSS

2024-02-29 11:15 PM
59
cve
cve

CVE-2023-52485

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wake DMCUB before sending a command [Why] We can hang in place trying to send commands when the DMCUB isn't powered on. [How] For functions that execute within a DC context or DC lock we can wrap the direct calls.....

7.1AI Score

0.0004EPSS

2024-02-29 03:15 PM
2509
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cve

CVE-2024-26607

In the Linux kernel, the following vulnerability has been resolved: drm/bridge: sii902x: Fix probing race issue A null pointer dereference crash has been observed rarely on TI platforms using sii9022 bridge: [ 53.271356] sii902x_get_edid+0x34/0x70 [sii902x] [ 53.276066] ...

6.2AI Score

0.0004EPSS

2024-02-29 12:15 PM
2519
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cve

CVE-2023-52481

In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Add Cortex-A520 speculative unprivileged load workaround Implement the workaround for ARM Cortex-A520 erratum 2966298. On an affected Cortex-A520 core, a speculatively executed unprivileged load might leak data from....

6.5AI Score

0.0004EPSS

2024-02-29 06:15 AM
67
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cve

CVE-2023-52480

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix race condition between session lookup and expire Thread A + Thread B ksmbd_session_lookup | smb2_sess_setup sess = xa_load | ...

6.3AI Score

0.0004EPSS

2024-02-29 06:15 AM
619
cve
cve

CVE-2023-52483

In the Linux kernel, the following vulnerability has been resolved: mctp: perform route lookups under a RCU read-side lock Our current route lookups (mctp_route_lookup and mctp_route_lookup_null) traverse the net's route list without the RCU read lock held. This means the route lookup is subject...

6.4AI Score

0.0004EPSS

2024-02-29 06:15 AM
65
cve
cve

CVE-2023-52484

In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: Fix soft lockup triggered by arm_smmu_mm_invalidate_range When running an SVA case, the following soft lockup is triggered: watchdog: BUG: soft lockup - CPU#244 stuck for 26s! pstate: 83400009 (Nzcv daif +PAN...

6.4AI Score

0.0004EPSS

2024-02-29 06:15 AM
69
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cve

CVE-2023-52482

In the Linux kernel, the following vulnerability has been resolved: x86/srso: Add SRSO mitigation for Hygon processors Add mitigation for the speculative return stack overflow vulnerability which exists on Hygon processors...

6.8AI Score

0.0004EPSS

2024-02-29 06:15 AM
1737
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cve

CVE-2023-52477

In the Linux kernel, the following vulnerability has been resolved: usb: hub: Guard against accesses to uninitialized BOS descriptors Many functions in drivers/usb/core/hub.c and drivers/usb/core/hub.h access fields inside udev->bos without checking if it was allocated and initialized. If...

6AI Score

0.0004EPSS

2024-02-29 06:15 AM
68
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cve

CVE-2023-52475

In the Linux kernel, the following vulnerability has been resolved: Input: powermate - fix use-after-free in powermate_config_complete syzbot has found a use-after-free bug [1] in the powermate driver. This happens when the device is disconnected, which leads to a memory free from the...

6.3AI Score

0.0004EPSS

2024-02-29 06:15 AM
67
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cve

CVE-2023-52476

In the Linux kernel, the following vulnerability has been resolved: perf/x86/lbr: Filter vsyscall addresses We found that a panic can occur when a vsyscall is made while LBR sampling is active. If the vsyscall is interrupted (NMI) for perf sampling, this call sequence can occur (most recent at...

6AI Score

0.0004EPSS

2024-02-29 06:15 AM
567
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cve

CVE-2023-52478

In the Linux kernel, the following vulnerability has been resolved: HID: logitech-hidpp: Fix kernel crash on receiver USB disconnect hidpp_connect_event() has four time-of-check vs time-of-use (TOCTOU) races when it races with itself. hidpp_connect_event() primarily runs from a workqueue but it...

6.4AI Score

0.0004EPSS

2024-02-29 06:15 AM
67
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cve

CVE-2023-52479

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix uaf in smb20_oplock_break_ack drop reference after use...

6.7AI Score

0.0004EPSS

2024-02-29 06:15 AM
64
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cve

CVE-2021-47044

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix shift-out-of-bounds in load_balance() Syzbot reported a handful of occurrences where an sd->nr_balance_failed can grow to much higher values than one would expect. A successful load_balance() resets it to 0; a...

6.5AI Score

0.0004EPSS

2024-02-28 09:15 AM
653
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cve

CVE-2021-47052

In the Linux kernel, the following vulnerability has been resolved: crypto: sa2ul - Fix memory leak of rxd There are two error return paths that are not freeing rxd and causing memory leaks. Fix these. Addresses-Coverity: ("Resource...

6.5AI Score

0.0004EPSS

2024-02-28 09:15 AM
562
cve
cve

CVE-2021-47051

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: Fix PM reference leak in lpspi_prepare_xfer_hardware() pm_runtime_get_sync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it.....

6.5AI Score

0.0004EPSS

2024-02-28 09:15 AM
561
cve
cve

CVE-2021-47042

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Free local data after use Fixes the following memory leak in dc_link_construct(): unreferenced object 0xffffa03e81471400 (size 1024): comm "amd_module_load", pid 2486, jiffies 4294946026 (age 10.544s) hex dump...

6.3AI Score

0.0004EPSS

2024-02-28 09:15 AM
2066
cve
cve

CVE-2021-47041

In the Linux kernel, the following vulnerability has been resolved: nvmet-tcp: fix incorrect locking in state_change sk callback We are not changing anything in the TCP connection state so we should not take a write_lock but rather a read lock. This caused a deadlock when running nvmet-tcp and...

6.3AI Score

0.0004EPSS

2024-02-28 09:15 AM
652
cve
cve

CVE-2021-47046

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix off by one in hdmi_14_process_transaction() The hdcp_i2c_offsets[] array did not have an entry for HDCP_MESSAGE_ID_WRITE_CONTENT_STREAM_TYPE so it led to an off by one read overflow. I added an entry and...

6.6AI Score

0.0004EPSS

2024-02-28 09:15 AM
634
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cve

CVE-2021-47048

In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: fix use-after-free in zynqmp_qspi_exec_op When handling op->addr, it is using the buffer "tmpbuf" which has been freed. This will trigger a use-after-free KASAN warning. Let's use temporary variables to...

6.8AI Score

0.0004EPSS

2024-02-28 09:15 AM
635
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cve

CVE-2021-47053

In the Linux kernel, the following vulnerability has been resolved: crypto: sun8i-ss - Fix memory leak of pad It appears there are several failure return paths that don't seem to be free'ing pad. Fix these. Addresses-Coverity: ("Resource...

6.6AI Score

0.0004EPSS

2024-02-28 09:15 AM
69
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cve

CVE-2021-47049

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in __vmbus_open() The "open_info" variable is added to the &vmbus_connection.chn_msg_list, but the error handling frees "open_info" without removing it from the list. This will result in a use...

6.7AI Score

0.0004EPSS

2024-02-28 09:15 AM
596
cve
cve

CVE-2021-47045

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix null pointer dereference in lpfc_prep_els_iocb() It is possible to call lpfc_issue_els_plogi() passing a did for which no matching ndlp is found. A call is then made to lpfc_prep_els_iocb() with a null pointer to a....

6.3AI Score

0.0004EPSS

2024-02-28 09:15 AM
65
cve
cve

CVE-2021-47050

In the Linux kernel, the following vulnerability has been resolved: memory: renesas-rpc-if: fix possible NULL pointer dereference of resource The platform_get_resource_byname() can return NULL which would be immediately dereferenced by resource_size(). Instead dereference it after validating the...

6.6AI Score

0.0004EPSS

2024-02-28 09:15 AM
67
cve
cve

CVE-2021-47047

In the Linux kernel, the following vulnerability has been resolved: spi: spi-zynqmp-gqspi: return -ENOMEM if dma_map_single fails The spi controller supports 44-bit address space on AXI in DMA mode, so set dma_addr_t width to 44-bit to avoid using a swiotlb mapping. In addition, if dma_map_single.....

6.4AI Score

0.0004EPSS

2024-02-28 09:15 AM
660
cve
cve

CVE-2021-47043

In the Linux kernel, the following vulnerability has been resolved: media: venus: core: Fix some resource leaks in the error path of 'venus_probe()' If an error occurs after a successful 'of_icc_get()' call, it must be undone. Use 'devm_of_icc_get()' instead of 'of_icc_get()' to avoid the leak....

6.4AI Score

0.0004EPSS

2024-02-28 09:15 AM
579
cve
cve

CVE-2021-47036

In the Linux kernel, the following vulnerability has been resolved: udp: skip L4 aggregation for UDP tunnel packets If NETIF_F_GRO_FRAGLIST or NETIF_F_GRO_UDP_FWD are enabled, and there are UDP tunnels available in the system, udp_gro_receive() could end-up doing L4 aggregation (either...

6.6AI Score

0.0004EPSS

2024-02-28 09:15 AM
2012
cve
cve

CVE-2021-47025

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Always enable the clk on resume In mtk_iommu_runtime_resume always enable the clk, even if m4u_dom is null. Otherwise the 'suspend' cb might disable the clk which is already disabled causing the warning: [ ...

6.5AI Score

0.0004EPSS

2024-02-28 09:15 AM
668
cve
cve

CVE-2021-47032

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7915: fix tx skb dma unmap The first pointer in the txp needs to be unmapped as well, otherwise it will leak DMA mapping...

6.4AI Score

0.0004EPSS

2024-02-28 09:15 AM
560
Total number of security vulnerabilities8401