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Linux Kernel Security Vulnerabilities

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cve

CVE-2021-47281

In the Linux kernel, the following vulnerability has been resolved: ALSA: seq: Fix race of snd_seq_timer_open() The timer instance per queue is exclusive, and snd_seq_timer_open() should have managed the concurrent accesses. It looks as if it's checking the already existing timer instance at the...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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cve

CVE-2021-47288

In the Linux kernel, the following vulnerability has been resolved: media: ngene: Fix out-of-bounds bug in ngene_command_config_free_buf() Fix an 11-year old bug in ngene_command_config_free_buf() while addressing the following warnings caught with -Warray-bounds:...

6.8AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47272

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: gadget: Bail from dwc3_gadget_exit() if dwc->gadget is NULL There exists a possible scenario in which dwc3_gadget_init() can fail: during during host -> peripheral mode switch in dwc3_set_mode(), and a pending gadg...

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
30
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CVE-2021-47264

In the Linux kernel, the following vulnerability has been resolved: ASoC: core: Fix Null-point-dereference in fmt_single_name() Check the return value of devm_kstrdup() in case of...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47269

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: ep0: fix NULL pointer exception There is no validation of the index from dwc3_wIndex_to_dep() and we might be referring a non-existing ep and trigger a NULL pointer exception. In certain configurations we might use...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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CVE-2021-47276

In the Linux kernel, the following vulnerability has been resolved: ftrace: Do not blindly read the ip address in ftrace_bug() It was reported that a bug on arm64 caused a bad ip address to be used for updating into a nop in ftrace_init(), but the error path (rightfully) returned -EINVAL and not...

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47274

In the Linux kernel, the following vulnerability has been resolved: tracing: Correct the length check which causes memory corruption We've suffered from severe kernel crashes due to memory corruption on our production environment, like, Call Trace: [1640542.554277] general protection fault: 0000...

6.8AI Score

0.0004EPSS

2024-05-21 03:15 PM
30
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CVE-2021-47271

In the Linux kernel, the following vulnerability has been resolved: usb: cdnsp: Fix deadlock issue in cdnsp_thread_irq_handler Patch fixes the following critical issue caused by deadlock which has been detected during testing NCM class: smp: csd: Detected non-responsive CSD lock (#1) on CPU#0...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47273

In the Linux kernel, the following vulnerability has been resolved: usb: dwc3-meson-g12a: fix usb2 PHY glue init when phy0 is disabled When only PHY1 is used (for example on Odroid-HC4), the regmap init code uses the usb2 ports when doesn't initialize the PHY1 regmap entry. This fixes: Unable to...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47270

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadgets null ptr deref on 10gbps cabling. This avoids a null pointer dereference in f_{ecm,eem,hid,loopback,printer,rndis,serial,sourcesink,subset,tcm} by simply reusing the 5gbps config for...

6.8AI Score

0.0004EPSS

2024-05-21 03:15 PM
30
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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 rtnl_link_ops for ipoib interfaces"), if the IPoIB device is moved to non-initial netns, destroying that netns lets the....

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47268

In the Linux kernel, the following vulnerability has been resolved: usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port A pending hrtimer may expire after the kthread_worker of tcpm port is destroyed, see below kernel dump when do module unload, fix it by cancel the 2.....

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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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 mlx5_ib driver could cause to the below oops. Call...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47267

In the Linux kernel, the following vulnerability has been resolved: usb: fix various gadget panics on 10gbps cabling usb_assign_descriptors() is called with 5 parameters, the last 4 of which are the usb_descriptor_header for: full-speed (USB1.1 - 12Mbps [including USB1.0 low-speed @ 1.5Mbps), ...

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
30
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CVE-2021-47275

In the Linux kernel, the following vulnerability has been resolved: bcache: avoid oversized read request in cache missing code path In the cache missing code path of cached device, if a proper location from the internal B+ tree is matched for a cache miss range, function cached_dev_cache_miss()...

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47263

In the Linux kernel, the following vulnerability has been resolved: gpio: wcd934x: Fix shift-out-of-bounds error bit-mask for pins 0 to 4 is BIT(0) to BIT(4) however we ended up with BIT(n - 1) which is not right, and this was caught by below usban check UBSAN: shift-out-of-bounds in...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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CVE-2021-47260

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a potential NULL dereference in nfs_get_client() None of the callers are expecting NULL returns from nfs_get_client() so this code will lead to an Oops. It's better to return an error pointer. I expect that this is dead...

6.8AI Score

0.0004EPSS

2024-05-21 03:15 PM
32
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CVE-2021-47262

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Ensure liveliness of nested VM-Enter fail tracepoint message Use the __string() machinery provided by the tracing subystem to make a copy of the string literals consumed by the "nested VM-Enter failed" tracepoint. A...

6.8AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47252

In the Linux kernel, the following vulnerability has been resolved: batman-adv: Avoid WARN_ON timing related checks The soft/batadv interface for a queued OGM can be changed during the time the OGM was queued for transmission and when the OGM is actually transmitted by the worker. But WARN_ON must....

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47255

In the Linux kernel, the following vulnerability has been resolved: kvm: LAPIC: Restore guard to prevent illegal APIC register access Per the SDM, "any access that touches bytes 4 through 15 of an APIC register may cause undefined behavior and must not be executed." Worse, such an access in...

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47259

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4_init_client() KASAN reports a use-after-free when attempting to mount two different exports through two different NICs that belong to the same server. Olga was able to hit this with kernels starting....

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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CVE-2021-47254

In the Linux kernel, the following vulnerability has been resolved: gfs2: Fix use-after-free in gfs2_glock_shrink_scan The GLF_LRU flag is checked under lru_lock in gfs2_glock_remove_from_lru() to remove the glock from the lru list in __gfs2_glock_put(). On the shrink scan path, the same flag is...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47257

In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: fix null deref in parse dev addr Fix a logic error that could result in a null deref if the user sets the mode incorrectly for the given addr...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47253

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix potential memory leak in DMUB hw_init [Why] On resume we perform DMUB hw_init which allocates memory: dm_resume->dm_dmub_hw_init->dc_dmub_srv_create->kzalloc That results in memory leak in suspend/resu...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47256

In the Linux kernel, the following vulnerability has been resolved: mm/memory-failure: make sure wait for page writeback in memory_failure Our syzkaller trigger the "BUG_ON(!list_empty(&inode->i_wb_list))" in clear_inode: kernel BUG at fs/inode.c:519! Internal error: Oops - BUG: 0 [#1] SMP ...

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47258

In the Linux kernel, the following vulnerability has been resolved: scsi: core: Fix error handling of scsi_host_alloc() After device is initialized via device_initialize(), or its name is set via dev_set_name(), the device has to be freed via put_device(). Otherwise device name will be leaked...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47261

In the Linux kernel, the following vulnerability has been resolved: IB/mlx5: Fix initializing CQ fragments buffer The function init_cq_frag_buf() can be called to initialize the current CQ fragments buffer cq->buf, or the temporary cq->resize_buf that is filled during CQ resize operation. How...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47251

In the Linux kernel, the following vulnerability has been resolved: mac80211: fix skb length check in ieee80211_scan_rx() Replace hard-coded compile-time constants for header length check with dynamic determination based on the frame type. Otherwise, we hit a validation WARN_ON in cfg80211 later......

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47247

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler Function mlx5e_rep_neigh_update() wasn't updated to accommodate rtnl lock removal from TC filter update path and properly handle concurrent encap entry...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47248

In the Linux kernel, the following vulnerability has been resolved: udp: fix race between close() and udp_abort() Kaustubh reported and diagnosed a panic in udp_lib_lookup(). The root cause is udp_abort() racing with close(). Both racing functions acquire the socket lock, but...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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CVE-2021-47242

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix soft lookup in subflow_error_report() Maxim reported a soft lookup in subflow_error_report(): watchdog: BUG: soft lockup - CPU#0 stuck for 22s! [swapper/0:0] RIP: 0010:native_queued_spin_lock_slowpath RSP:...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47243

In the Linux kernel, the following vulnerability has been resolved: sch_cake: Fix out of bounds when parsing TCP options and header The TCP option parser in cake qdisc (cake_get_tcpopt and cake_tcph_may_drop) could read one byte out of bounds. When the length is 1, the execution flow gets into the....

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
30
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CVE-2021-47244

In the Linux kernel, the following vulnerability has been resolved: mptcp: Fix out of bounds when parsing TCP options The TCP option parser in mptcp (mptcp_get_options) could read one byte out of bounds. When the length is 1, the execution flow gets into the loop, reads one byte of the opcode, and....

6.8AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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CVE-2021-47250

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix memory leak in netlbl_cipsov4_add_std Reported by syzkaller: BUG: memory leak unreferenced object 0xffff888105df7000 (size 64): comm "syz-executor842", pid 360, jiffies 4294824824 (age 22.546s) hex dump (first 32...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47238

In the Linux kernel, the following vulnerability has been resolved: net: ipv4: fix memory leak in ip_mc_add1_src BUG: memory leak unreferenced object 0xffff888101bc4c00 (size 32): comm "syz-executor527", pid 360, jiffies 4294807421 (age 19.329s) hex dump (first 32 bytes): 00 00 00 00 00 00...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47240

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix OOB Read in qrtr_endpoint_post Syzbot reported slab-out-of-bounds Read in qrtr_endpoint_post. The problem was in wrong size type: if (len != ALIGN(size, 4) + hdrlen) goto err; If size from qrtr_hdr is...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47246

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix page reclaim for dead peer hairpin When adding a hairpin flow, a firmware-side send queue is created for the peer net device, which claims some host memory pages for its internal ring buffer. If the peer net device.....

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
28
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CVE-2021-47241

In the Linux kernel, the following vulnerability has been resolved: ethtool: strset: fix message length calculation Outer nest for ETHTOOL_A_STRSET_STRINGSETS is not accounted for. This may result in ETHTOOL_MSG_STRSET_GET producing a warning like: calculated message payload length (684) not...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47239

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix possible use-after-free in smsc75xx_bind The commit 46a8b29c6306 ("net: usb: fix memory leak in smsc75xx_bind") fails to clean up the work scheduled in smsc75xx_reset-> smsc75xx_set_multicast, which leads to...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47245

In the Linux kernel, the following vulnerability has been resolved: netfilter: synproxy: Fix out of bounds when parsing TCP options The TCP option parser in synproxy (synproxy_parse_options) could read one byte out of bounds. When the length is 1, the execution flow gets into the loop, reads one...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47249

In the Linux kernel, the following vulnerability has been resolved: net: rds: fix memory leak in rds_recvmsg Syzbot reported memory leak in rds. The problem was in unputted refcount in case of error. int rds_recvmsg(struct socket sock, struct msghdr msg, size_t size, int msg_flags) { ......

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47236

In the Linux kernel, the following vulnerability has been resolved: net: cdc_eem: fix tx fixup skb leak when usbnet transmit a skb, eem fixup it in eem_tx_fixup(), if skb_copy_expand() failed, it return NULL, usbnet_start_xmit() will have no chance to free original skb. fix it by free orginal skb.....

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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CVE-2021-47229

In the Linux kernel, the following vulnerability has been resolved: PCI: aardvark: Fix kernel panic during PIO transfer Trying to start a new PIO transfer by writing value 0 in PIO_START register when previous transfer has not yet completed (which is indicated by value 1 in PIO_START) causes an...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
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CVE-2021-47228

In the Linux kernel, the following vulnerability has been resolved: x86/ioremap: Map EFI-reserved memory as encrypted for SEV Some drivers require memory that is marked as EFI boot services data. In order for this memory to not be re-used by the kernel after ExitBootServices(), efi_mem_reserve()...

6.4AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47231

In the Linux kernel, the following vulnerability has been resolved: can: mcba_usb: fix memory leak in mcba_usb Syzbot reported memory leak in SocketCAN driver for Microchip CAN BUS Analyzer Tool. The problem was in unfreed usb_coherent. In mcba_usb_start() 20 coherent buffers are allocated and...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
27
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CVE-2021-47233

In the Linux kernel, the following vulnerability has been resolved: regulator: rt4801: Fix NULL pointer dereference if priv->enable_gpios is NULL devm_gpiod_get_array_optional may return NULL if no GPIO was...

6.7AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47234

In the Linux kernel, the following vulnerability has been resolved: phy: phy-mtk-tphy: Fix some resource leaks in mtk_phy_init() Use clk_disable_unprepare() in the error path of mtk_phy_init() to fix some resource...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47235

In the Linux kernel, the following vulnerability has been resolved: net: ethernet: fix potential use-after-free in ec_bhf_remove static void ec_bhf_remove(struct pci_dev dev) { ... struct ec_bhf_priv priv = netdev_priv(net_dev); unregister_netdev(net_dev); free_netdev(net_dev); ...

6.8AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47237

In the Linux kernel, the following vulnerability has been resolved: net: hamradio: fix memory leak in mkiss_close My local syzbot instance hit memory leak in mkiss_open()[1]. The problem was in missing free_netdev() in mkiss_close(). In mkiss_open() netdevice is allocated and then registered, but.....

6.5AI Score

0.0004EPSS

2024-05-21 03:15 PM
26
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CVE-2021-47230

In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Immediately reset the MMU context when the SMM flag is cleared Immediately reset the MMU context when the vCPU's SMM flag is cleared so that the SMM flag in the MMU role is always synchronized with the vCPU's flag. If...

6.6AI Score

0.0004EPSS

2024-05-21 03:15 PM
29
Total number of security vulnerabilities8362