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Linux Kernel Security Vulnerabilities

cve
cve

CVE-2021-47470

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s because s will be freed soon. And slab_debugfs_fops will use s later leading to a...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
28
cve
cve

CVE-2021-47469

In the Linux kernel, the following vulnerability has been resolved: spi: Fix deadlock when adding SPI controllers on SPI buses Currently we have a global spi_add_lock which we take when adding new devices so that we can check that we're not trying to reuse a chip select that's already controlled. ....

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
32
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cve

CVE-2021-47465

In the Linux kernel, the following vulnerability has been resolved: KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest() In commit 10d91611f426 ("powerpc/64s: Reimplement book3s idle code in C") kvm_start_guest() became idle_kvm_start_guest(). The old code allocated a stack frame on...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47466

In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential memoryleak in kmem_cache_open() In error path, the random_seq of slub cache might be leaked. Fix this by using __kmem_cache_release() to release all the relevant...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
30
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cve

CVE-2021-47463

In the Linux kernel, the following vulnerability has been resolved: mm/secretmem: fix NULL page->mapping dereference in page_is_secretmem() Check for a NULL page->mapping before dereferencing the mapping in page_is_secretmem(), as the page's mapping can be nullified while gup() is running, e....

6.5AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47461

In the Linux kernel, the following vulnerability has been resolved: userfaultfd: fix a race between writeprotect and exit_mmap() A race is possible when a process exits, its VMAs are removed by exit_mmap() and at the same time userfaultfd_writeprotect() is called. The race was detected by KASAN on....

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
33
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cve

CVE-2021-47458

In the Linux kernel, the following vulnerability has been resolved: ocfs2: mount fails with buffer overflow in strlen Starting with kernel 5.11 built with CONFIG_FORTIFY_SOURCE mouting an ocfs2 filesystem with either o2cb or pcmk cluster stack fails with the trace below. Problem seems to be that...

7AI Score

0.0004EPSS

2024-05-22 07:15 AM
30
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cve

CVE-2021-47452

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: skip netdev events generated on netns removal syzbot reported following (harmless) WARN: WARNING: CPU: 1 PID: 2648 at net/netfilter/core.c:468 nft_netdev_unregister_hooks net/netfilter/nf_tables_api.c:230...

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
32
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cve

CVE-2021-47451

In the Linux kernel, the following vulnerability has been resolved: netfilter: xt_IDLETIMER: fix panic that occurs when timer_type has garbage value Currently, when the rule related to IDLETIMER is added, idletimer_tg timer structure is initialized by kmalloc on executing idletimer_tg_create...

6.4AI Score

0.0004EPSS

2024-05-22 07:15 AM
32
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cve

CVE-2021-47460

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption after conversion from inline format Commit 6dbf7bb55598 ("fs: Don't invalidate page buffers in block_write_full_page()") uncovered a latent bug in ocfs2 conversion from inline inode format to a normal...

7AI Score

0.0004EPSS

2024-05-22 07:15 AM
30
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cve

CVE-2021-47449

In the Linux kernel, the following vulnerability has been resolved: ice: fix locking for Tx timestamp tracking flush Commit 4dd0d5c33c3e ("ice: add lock around Tx timestamp tracker flush") added a lock around the Tx timestamp tracker flow which is used to cleanup any left over SKBs and prepare for....

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
36
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cve

CVE-2021-47450

In the Linux kernel, the following vulnerability has been resolved: KVM: arm64: Fix host stage-2 PGD refcount The KVM page-table library refcounts the pages of concatenated stage-2 PGDs individually. However, when running KVM in protected mode, the host's stage-2 PGD is currently managed by EL2 as....

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
32
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cve

CVE-2021-47455

In the Linux kernel, the following vulnerability has been resolved: ptp: Fix possible memory leak in ptp_clock_register() I got memory leak as follows when doing fault injection test: unreferenced object 0xffff88800906c618 (size 8): comm "i2c-idt82p33931", pid 4421, jiffies 4294948083 (age...

7AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47453

In the Linux kernel, the following vulnerability has been resolved: ice: Avoid crash from unnecessary IDA free In the remove path, there is an attempt to free the aux_idx IDA whether it was allocated or not. This can potentially cause a crash when unloading the driver on systems that do not...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47457

In the Linux kernel, the following vulnerability has been resolved: can: isotp: isotp_sendmsg(): add result check for wait_event_interruptible() Using wait_event_interruptible() to wait for complete transmission, but do not check the result of wait_event_interruptible() which can be interrupted....

6.8AI Score

0.0004EPSS

2024-05-22 07:15 AM
30
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cve

CVE-2021-47456

In the Linux kernel, the following vulnerability has been resolved: can: peak_pci: peak_pci_remove(): fix UAF When remove the module peek_pci, referencing 'chan' again after releasing 'dev' will cause UAF. Fix this by releasing 'dev' later. The following log reveals it: [ 35.961814 ] BUG: KASAN:...

6.8AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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CVE-2021-47459

In the Linux kernel, the following vulnerability has been resolved: can: j1939: j1939_netdev_start(): fix UAF for rx_kref of j1939_priv It will trigger UAF for rx_kref of j1939_priv as following. cpu0 cpu1 j1939_sk_bind(socket0, ndev0, ...)...

6.8AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47454

In the Linux kernel, the following vulnerability has been resolved: powerpc/smp: do not decrement idle task preempt count in CPU offline With PREEMPT_COUNT=y, when a CPU is offlined and then onlined again, we get: BUG: scheduling while atomic: swapper/1/0/0x00000000 no locks held by swapper/1/0....

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
29
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cve

CVE-2021-47439

In the Linux kernel, the following vulnerability has been resolved: net: dsa: microchip: Added the condition for scheduling ksz_mib_read_work When the ksz module is installed and removed using rmmod, kernel crashes with null pointer dereferrence error. During rmmod, ksz_switch_remove function...

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47440

In the Linux kernel, the following vulnerability has been resolved: net: encx24j600: check error in devm_regmap_init_encx24j600 devm_regmap_init may return error which caused by like out of memory, this will results in null pointer dereference later when reading or writing register: general...

6.4AI Score

0.0004EPSS

2024-05-22 07:15 AM
29
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cve

CVE-2021-47448

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix possible stall on recvmsg() recvmsg() can enter an infinite loop if the caller provides the MSG_WAITALL, the data present in the receive queue is not sufficient to fulfill the request, and no more data is received by...

6.8AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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CVE-2021-47438

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix memory leak in mlx5_core_destroy_cq() error path Prior to this patch in case mlx5_core_destroy_cq() failed it returns without completing all destroy operations and that leads to memory leak. Instead, complete the...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
33
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cve

CVE-2021-47441

In the Linux kernel, the following vulnerability has been resolved: mlxsw: thermal: Fix out-of-bounds memory accesses Currently, mlxsw allows cooling states to be set above the maximum cooling state supported by the driver: # cat /sys/class/thermal/thermal_zone2/cdev0/type mlxsw_fan # cat...

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
33
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cve

CVE-2021-47444

In the Linux kernel, the following vulnerability has been resolved: drm/edid: In connector_bad_edid() cap num_of_ext by num_blocks read In commit e11f5bd8228f ("drm: Add support for DP 1.4 Compliance edid corruption test") the function connector_bad_edid() started assuming that the memory for the.....

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47447

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a3xx: fix error handling in a3xx_gpu_init() These error paths returned 1 on failure, instead of a negative error code. This would lead to an Oops in the caller. A second problem is that the check for "if (ret !=...

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
30
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cve

CVE-2021-47446

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a4xx: fix error handling in a4xx_gpu_init() This code returns 1 on error instead of a negative error. It leads to an Oops in the caller. A second problem is that the check for "if (ret != -ENODATA)" cannot be true...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
32
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cve

CVE-2021-47443

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_tg_listen_mdaa() 'params' is allocated in digital_tg_listen_mdaa(), but not free when digital_send_cmd() failed, which will cause memory leak. Fix it by freeing 'params' if...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
35
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cve

CVE-2021-47445

In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereference on pointer edp The initialization of pointer dev dereferences pointer edp before edp is null checked, so there is a potential null pointer deference issue. Fix this by only dereferencing edp...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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cve

CVE-2021-47442

In the Linux kernel, the following vulnerability has been resolved: NFC: digital: fix possible memory leak in digital_in_send_sdd_req() 'skb' is allocated in digital_in_send_sdd_req(), but not free when digital_in_send_cmd() failed, which will cause memory leak. Fix it by freeing 'skb' if...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
29
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cve

CVE-2021-47435

In the Linux kernel, the following vulnerability has been resolved: dm: fix mempool NULL pointer race when completing IO dm_io_dec_pending() calls end_io_acct() first and will then dec md in-flight pending count. But if a task is swapping DM table at same time this can result in a crash due to...

6.5AI Score

0.0004EPSS

2024-05-22 07:15 AM
33
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cve

CVE-2021-47434

In the Linux kernel, the following vulnerability has been resolved: xhci: Fix command ring pointer corruption while aborting a command The command ring pointer is located at [6:63] bits of the command ring control register (CRCR). All the control bits like command stop, abort are located at [0:3].....

6.9AI Score

0.0004EPSS

2024-05-22 07:15 AM
33
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cve

CVE-2021-47437

In the Linux kernel, the following vulnerability has been resolved: iio: adis16475: fix deadlock on frequency set With commit 39c024b51b560 ("iio: adis16475: improve sync scale mode handling"), two deadlocks were introduced: 1) The call to 'adis_write_reg_16()' was not changed to it's...

6.7AI Score

0.0004EPSS

2024-05-22 07:15 AM
34
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cve

CVE-2021-47433

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix abort logic in btrfs_replace_file_extents Error injection testing uncovered a case where we'd end up with a corrupt file system with a missing extent in the middle of a file. This occurs because the if statement to...

7AI Score

0.0004EPSS

2024-05-22 07:15 AM
30
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cve

CVE-2021-47436

In the Linux kernel, the following vulnerability has been resolved: usb: musb: dsps: Fix the probe error path Commit 7c75bde329d7 ("usb: musb: musb_dsps: request_irq() after initializing musb") has inverted the calls to dsps_setup_optional_vbus_irq() and dsps_create_musb_pdev() without updating...

6.6AI Score

0.0004EPSS

2024-05-22 07:15 AM
31
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CVE-2023-52879

In the Linux kernel, the following vulnerability has been resolved: tracing: Have trace_event_file have ref counters The following can crash the kernel: # cd /sys/kernel/tracing # echo 'p:sched schedule' > kprobe_events # exec 5>>events/kprobes/sched/enable # > kprobe_events # exec 5&gt...

6.3AI Score

0.0004EPSS

2024-05-21 04:15 PM
30
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cve

CVE-2023-52873

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt6779: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer...

6.8AI Score

0.0004EPSS

2024-05-21 04:15 PM
36
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cve

CVE-2023-52878

In the Linux kernel, the following vulnerability has been resolved: can: dev: can_put_echo_skb(): don't crash kernel if can_priv::echo_skb is accessed out of bounds If the "struct can_priv::echoo_skb" is accessed out of bounds, this would cause a kernel crash. Instead, issue a meaningful warning...

6.6AI Score

0.0004EPSS

2024-05-21 04:15 PM
28
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cve

CVE-2023-52875

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt2701: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer...

6.8AI Score

0.0004EPSS

2024-05-21 04:15 PM
35
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cve

CVE-2023-52876

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt7629-eth: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer...

6.8AI Score

0.0004EPSS

2024-05-21 04:15 PM
27
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cve

CVE-2023-52874

In the Linux kernel, the following vulnerability has been resolved: x86/tdx: Zero out the missing RSI in TDX_HYPERCALL macro In the TDX_HYPERCALL asm, after the TDCALL instruction returns from the untrusted VMM, the registers that the TDX guest shares to the VMM need to be cleared to avoid...

6.7AI Score

0.0004EPSS

2024-05-21 04:15 PM
27
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cve

CVE-2023-52877

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: Fix NULL pointer dereference in tcpm_pd_svdm() It is possible that typec_register_partner() returns ERR_PTR on failure. When port->partner is an error, a NULL pointer dereference may occur as shown below....

6.5AI Score

0.0004EPSS

2024-05-21 04:15 PM
27
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CVE-2023-52860

In the Linux kernel, the following vulnerability has been resolved: drivers/perf: hisi: use cpuhp_state_remove_instance_nocalls() for hisi_hns3_pmu uninit process When tearing down a 'hisi_hns3' PMU, we mistakenly run the CPU hotplug callbacks after the device has been unregistered, leading to...

6.9AI Score

0.0004EPSS

2024-05-21 04:15 PM
31
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cve

CVE-2023-52862

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null pointer dereference in error message This patch fixes a null pointer dereference in the error message that is printed when the Display Core (DC) fails to initialize. The original message includes the DC...

6.6AI Score

0.0004EPSS

2024-05-21 04:15 PM
30
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cve

CVE-2023-52865

In the Linux kernel, the following vulnerability has been resolved: clk: mediatek: clk-mt6797: Add check for mtk_alloc_clk_data Add the check for the return value of mtk_alloc_clk_data() in order to avoid NULL pointer...

6.8AI Score

0.0004EPSS

2024-05-21 04:15 PM
34
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cve

CVE-2023-52867

In the Linux kernel, the following vulnerability has been resolved: drm/radeon: possible buffer overflow Buffer 'afmt_status' of size 6 could overflow, since index 'afmt_idx' is checked after...

6.9AI Score

0.0004EPSS

2024-05-21 04:15 PM
29
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CVE-2023-52861

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: it66121: Fix invalid connector dereference Fix the NULL pointer dereference when no monitor is connected, and the sound card is opened from userspace. Instead return an empty buffer (of zeroes) as the EDID information....

6.7AI Score

0.0004EPSS

2024-05-21 04:15 PM
30
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CVE-2023-52869

In the Linux kernel, the following vulnerability has been resolved: pstore/platform: Add check for kstrdup Add check for the return value of kstrdup() and return the error if it fails in order to avoid NULL pointer...

6.7AI Score

0.0004EPSS

2024-05-21 04:15 PM
26
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cve

CVE-2023-52864

In the Linux kernel, the following vulnerability has been resolved: platform/x86: wmi: Fix opening of char device Since commit fa1f68db6ca7 ("drivers: misc: pass miscdevice pointer via file private data"), the miscdevice stores a pointer to itself inside filp->private_data, which means that...

6.8AI Score

0.0004EPSS

2024-05-21 04:15 PM
30
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cve

CVE-2023-52863

In the Linux kernel, the following vulnerability has been resolved: hwmon: (axi-fan-control) Fix possible NULL pointer dereference axi_fan_control_irq_handler(), dependent on the private axi_fan_control_data structure, might be called before the hwmon device is registered. That will cause an...

6.7AI Score

0.0004EPSS

2024-05-21 04:15 PM
29
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cve

CVE-2023-52872

In the Linux kernel, the following vulnerability has been resolved: tty: n_gsm: fix race condition in status line change on dead connections gsm_cleanup_mux() cleans up the gsm by closing all DLCIs, stopping all timers, removing the virtual tty devices and clearing the data queues. This procedure,....

6.7AI Score

0.0004EPSS

2024-05-21 04:15 PM
27
Total number of security vulnerabilities8403