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Linux Kernel Security Vulnerabilities

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cve

CVE-2021-47096

In the Linux kernel, the following vulnerability has been resolved: ALSA: rawmidi - fix the uninitalized user_pversion The user_pversion was uninitialized for the user space file structurein the open function, because the file private structure usekmalloc for the allocation. The kernel ALSA sequenc...

6.5AI Score

0.0004EPSS

2024-03-04 06:15 PM
41
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cve

CVE-2021-47097

In the Linux kernel, the following vulnerability has been resolved: Input: elantech - fix stack out of bound access in elantech_change_report_id() The array param[] in elantech_change_report_id() must be at least 3bytes, because elantech_read_reg_params() is calling ps2_command() withPSMOUSE_CMD_GE...

6.2AI Score

0.0004EPSS

2024-03-04 06:15 PM
66
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CVE-2021-47098

In the Linux kernel, the following vulnerability has been resolved: hwmon: (lm90) Prevent integer overflow/underflow in hysteresis calculations Commit b50aa49638c7 ("hwmon: (lm90) Prevent integer underflows oftemperature calculations") addressed a number of underflow situationswhen writing temperat...

6.4AI Score

0.0004EPSS

2024-03-04 06:15 PM
45
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CVE-2021-47099

In the Linux kernel, the following vulnerability has been resolved: veth: ensure skb entering GRO are not cloned. After commit d3256efd8e8b ("veth: allow enabling NAPI even without XDP"),if GRO is enabled on a veth device and TSO is disabled on the peerdevice, TCP skbs will go through the NAPI call...

6.2AI Score

0.0004EPSS

2024-03-04 06:15 PM
51
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CVE-2021-47100

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix UAF when uninstall ipmi_si and ipmi_msghandler module Hi, When testing install and uninstall of ipmi_si.ko and ipmi_msghandler.ko,the system crashed. The log as follows:[ 141.087026] BUG: unable to handle kernel paging re...

6.2AI Score

0.0004EPSS

2024-03-04 06:15 PM
42
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CVE-2021-47101

In the Linux kernel, the following vulnerability has been resolved: asix: fix uninit-value in asix_mdio_read() asix_read_cmd() may read less than sizeof(smsr) bytes and in this casesmsr will be uninitialized. Fail log:BUG: KMSAN: uninit-value in asix_check_host_enable drivers/net/usb/asix_common.c:...

6.2AI Score

0.0004EPSS

2024-03-04 06:15 PM
42
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CVE-2021-47102

In the Linux kernel, the following vulnerability has been resolved: net: marvell: prestera: fix incorrect structure access In line:upper = info->upper_dev;We access upper_dev field, which is related only for particular events(e.g. event == NETDEV_CHANGEUPPER). So, this line cause invalid memorya...

6.3AI Score

0.0004EPSS

2024-03-04 06:15 PM
47
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CVE-2021-47103

In the Linux kernel, the following vulnerability has been resolved: inet: fully convert sk->sk_rx_dst to RCU rules syzbot reported various issues around early demux,one being included in this changelog [1] sk->sk_rx_dst is using RCU protection without clearlydocumenting it. And following sequ...

6.3AI Score

0.0004EPSS

2024-03-04 06:15 PM
45
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CVE-2021-47104

In the Linux kernel, the following vulnerability has been resolved: IB/qib: Fix memory leak in qib_user_sdma_queue_pkts() The wrong goto label was used for the error case and missed cleanup of thepkt allocation. Addresses-Coverity-ID: 1493352 ("Resource leak")

6.3AI Score

0.0004EPSS

2024-03-04 07:15 PM
59
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CVE-2021-47105

In the Linux kernel, the following vulnerability has been resolved: ice: xsk: return xsk buffers back to pool when cleaning the ring Currently we only NULL the xdp_buff pointer in the internal SW ring butwe never give it back to the xsk buffer pool. This means that bufferscan be leaked out of the b...

6.4AI Score

0.0004EPSS

2024-03-04 07:15 PM
52
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CVE-2021-47106

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix use-after-free in nft_set_catchall_destroy() We need to use list_for_each_entry_safe() iteratorbecause we can not access @catchall after kfree_rcu() call. syzbot reported: BUG: KASAN: use-after-free in nft...

6.5AI Score

0.0004EPSS

2024-03-04 07:15 PM
41
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CVE-2021-47107

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix READDIR buffer overflow If a client sends a READDIR count argument that is too small (say,zero), then the buffer size calculation in the new init_dirlisthelper functions results in an underflow, allowing the XDR streamfun...

6.4AI Score

0.0004EPSS

2024-03-04 07:15 PM
47
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CVE-2021-47108

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: hdmi: Perform NULL pointer check for mtk_hdmi_conf In commit 41ca9caaae0b("drm/mediatek: hdmi: Add check for CEA modes only") a checkfor CEA modes was added to function mtk_hdmi_bridge_mode_valid()in order to address ...

6.2AI Score

0.0004EPSS

2024-03-04 07:15 PM
68
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CVE-2021-47109

In the Linux kernel, the following vulnerability has been resolved: neighbour: allow NUD_NOARP entries to be forced GCed IFF_POINTOPOINT interfaces use NUD_NOARP entries for IPv6. It's possible tofill up the neighbour table with enough entries that it will overflow forvalid connections after that. ...

6.8AI Score

0.0004EPSS

2024-03-15 09:15 PM
45
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CVE-2021-47110

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Disable kvmclock on all CPUs on shutdown Currenly, we disable kvmclock from machine_shutdown() hook and thisonly happens for boot CPU. We need to disable it for all CPUs toguard against memory corruption e.g. on restore fr...

6.6AI Score

0.0004EPSS

2024-03-15 09:15 PM
42
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CVE-2021-47111

In the Linux kernel, the following vulnerability has been resolved: xen-netback: take a reference to the RX task thread Do this in order to prevent the task from being freed if the threadreturns (which can be triggered by the frontend) before the call tokthread_stop done as part of the backend tear...

6.3AI Score

0.0004EPSS

2024-03-15 09:15 PM
50
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CVE-2021-47112

In the Linux kernel, the following vulnerability has been resolved: x86/kvm: Teardown PV features on boot CPU as well Various PV features (Async PF, PV EOI, steal time) work through memoryshared with hypervisor and when we restore from hibernation we mustproperly teardown all these features to make...

6.4AI Score

0.0004EPSS

2024-03-15 09:15 PM
41
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CVE-2021-47113

In the Linux kernel, the following vulnerability has been resolved: btrfs: abort in rename_exchange if we fail to insert the second ref Error injection stress uncovered a problem where we'd leave a danglinginode ref if we failed during a rename_exchange. This happens becausewe insert the inode ref ...

6.6AI Score

0.0004EPSS

2024-03-15 09:15 PM
42
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CVE-2021-47114

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix data corruption by fallocate When fallocate punches holes out of inode size, if original isize is inthe middle of last cluster, then the part from isize to the end of thecluster will be zeroed with buffer write, at that ...

6.7AI Score

0.0004EPSS

2024-03-15 09:15 PM
42
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CVE-2021-47116

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_mb_init_backend on error path. Fix a memory leak discovered by syzbot when a file system is corruptedwith an illegally large s_log_groups_per_flex.

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
42
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CVE-2021-47117

In the Linux kernel, the following vulnerability has been resolved: ext4: fix bug on in ext4_es_cache_extent as ext4_split_extent_at failed We got follow bug_on when run fsstress with injecting IO fault:[130747.323114] kernel BUG at fs/ext4/extents_status.c:762![130747.323117] Internal error: Oops ...

6.4AI Score

0.0004EPSS

2024-03-15 09:15 PM
43
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CVE-2021-47118

In the Linux kernel, the following vulnerability has been resolved: pid: take a reference when initializing cad_pid During boot, kernel_init_freeable() initializes cad_pid to the inittask's struct pid. Later on, we may change cad_pid via a sysctl, andwhen this happens proc_do_cad_pid() will increme...

6.2AI Score

0.0004EPSS

2024-03-15 09:15 PM
71
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CVE-2021-47119

In the Linux kernel, the following vulnerability has been resolved: ext4: fix memory leak in ext4_fill_super Buffer head references must be released before calling kill_bdev();otherwise the buffer head (and its page referenced by b_data) will notbe freed by kill_bdev, and subsequently that bh will ...

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
48
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cve

CVE-2021-47120

In the Linux kernel, the following vulnerability has been resolved: HID: magicmouse: fix NULL-deref on disconnect Commit 9d7b18668956 ("HID: magicmouse: add support for Apple MagicTrackpad 2") added a sanity check for an Apple trackpad but returnedsuccess instead of -ENODEV when the check failed. T...

6.2AI Score

0.0004EPSS

2024-03-15 09:15 PM
41
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cve

CVE-2021-47121

In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in cfusbl_device_notify In case of caif_enroll_dev() fail, allocatedlink_support won't be assigned to the correspondingstructure. So simply free allocated pointer in caseof error.

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
38
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CVE-2021-47122

In the Linux kernel, the following vulnerability has been resolved: net: caif: fix memory leak in caif_device_notify In case of caif_enroll_dev() fail, allocatedlink_support won't be assigned to the correspondingstructure. So simply free allocated pointer in caseof error

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
39
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cve

CVE-2021-47123

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix ltout double free on completion race Always remove linked timeout on io_link_timeout_fn() from the masterrequest link list, otherwise we may get use-after-free when firstio_link_timeout_fn() puts linked timeout in the...

6.7AI Score

0.0004EPSS

2024-03-15 09:15 PM
59
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cve

CVE-2021-47124

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcount_warn_saturate+0x15b/0x1a0 lib/refcount.c:28RIP: 0010:refcount_warn_saturate+0x15b/0x1a0 lib/refcount.c:28Call Trace:__refcount_sub_and_test in...

6.6AI Score

0.0004EPSS

2024-03-15 09:15 PM
68
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CVE-2021-47125

In the Linux kernel, the following vulnerability has been resolved: sch_htb: fix refcount leak in htb_parent_to_leaf_offload The commit ae81feb7338c ("sch_htb: fix null pointer dereferenceon a null new_q") fixes a NULL pointer dereference bug, but itis not correct. Because htb_graft_helper properly...

6.6AI Score

0.0004EPSS

2024-03-15 09:15 PM
39
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cve

CVE-2021-47126

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix KASAN: slab-out-of-bounds Read in fib6_nh_flush_exceptions Reported by syzbot:HEAD commit: 90c911ad Merge tag 'fixes' of git://git.kernel.org/pub/scm..git tree: git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux...

6.6AI Score

0.0004EPSS

2024-03-15 09:15 PM
72
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CVE-2021-47127

In the Linux kernel, the following vulnerability has been resolved: ice: track AF_XDP ZC enabled queues in bitmap Commit c7a219048e45 ("ice: Remove xsk_buff_pool from VSI structure")silently introduced a regression and broke the Tx side of AF_XDP in copymode. xsk_pool on ice_ring is set only based ...

6.2AI Score

0.0004EPSS

2024-03-15 09:15 PM
45
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cve

CVE-2021-47128

In the Linux kernel, the following vulnerability has been resolved: bpf, lockdown, audit: Fix buggy SELinux lockdown permission checks Commit 59438b46471a ("security,lockdown,selinux: implement SELinux lockdown")added an implementation of the locked_down LSM hook to SELinux, with the aimto restrict...

6.6AI Score

0.0004EPSS

2024-03-15 09:15 PM
40
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cve

CVE-2021-47129

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_ct: skip expectations for confirmed conntrack nft_ct_expect_obj_eval() calls nf_ct_ext_add() for a confirmedconntrack entry. However, nf_ct_ext_add() can only be called for!nf_ct_is_confirmed(). [ 1825.349056] WARNIN...

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
39
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cve

CVE-2021-47130

In the Linux kernel, the following vulnerability has been resolved: nvmet: fix freeing unallocated p2pmem In case p2p device was found but the p2p pool is empty, the nvme targetis still trying to free the sgl from the p2p pool instead of theregular sgl pool and causing a crash (BUG() is called). In...

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
40
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cve

CVE-2021-47131

In the Linux kernel, the following vulnerability has been resolved: net/tls: Fix use-after-free after the TLS device goes down and up When a netdev with active TLS offload goes down, tls_device_down iscalled to stop the offload and tear down the TLS context. However, thesocket stays alive, and it s...

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
47
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cve

CVE-2021-47132

In the Linux kernel, the following vulnerability has been resolved: mptcp: fix sk_forward_memory corruption on retransmission MPTCP sk_forward_memory handling is a bit special, as such fieldis protected by the msk socket spin_lock, instead of the plainsocket lock. Currently we have a code path upda...

7AI Score

0.0004EPSS

2024-03-15 09:15 PM
40
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cve

CVE-2021-47133

In the Linux kernel, the following vulnerability has been resolved: HID: amd_sfh: Fix memory leak in amd_sfh_work Kmemleak tool detected a memory leak in the amd_sfh driver. ====================unreferenced object 0xffff88810228ada0 (size 32):comm "insmod", pid 3968, jiffies 4295056001 (age 775.792...

6.4AI Score

0.0004EPSS

2024-03-15 09:15 PM
44
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cve

CVE-2021-47134

In the Linux kernel, the following vulnerability has been resolved: efi/fdt: fix panic when no valid fdt found setup_arch() would invoke efi_init()->efi_get_fdt_params(). If novalid fdt found then initial_boot_params will be null. So weshould stop further fdt processing here. I encountered thisi...

6.5AI Score

0.0004EPSS

2024-03-15 09:15 PM
61
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cve

CVE-2021-47135

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix possible AOOB issue in mt7921_mcu_tx_rate_report Fix possible array out of bound access in mt7921_mcu_tx_rate_report.Remove unnecessary varibable in mt7921_mcu_tx_rate_report

6.6AI Score

0.0004EPSS

2024-03-15 09:15 PM
66
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cve

CVE-2021-47136

In the Linux kernel, the following vulnerability has been resolved: net: zero-initialize tc skb extension on allocation Function skb_ext_add() doesn't initialize created skb extension with anyvalue and leaves it up to the user. However, since extension of typeTC_SKB_EXT originally contained only si...

6.4AI Score

0.0004EPSS

2024-03-25 09:15 AM
60
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CVE-2021-47137

In the Linux kernel, the following vulnerability has been resolved: net: lantiq: fix memory corruption in RX ring In a situation where memory allocation or dma mapping fails, aninvalid address is programmed into the descriptor. This can leadto memory corruption. If the memory allocation fails, DMA ...

6.9AI Score

0.0004EPSS

2024-03-25 09:15 AM
41
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cve

CVE-2021-47138

In the Linux kernel, the following vulnerability has been resolved: cxgb4: avoid accessing registers when clearing filters Hardware register having the server TID base can containinvalid values when adapter is in bad state (for example,due to AER fatal error). Reading these invalid values in thereg...

6.4AI Score

0.0004EPSS

2024-03-25 09:15 AM
42
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cve

CVE-2021-47139

In the Linux kernel, the following vulnerability has been resolved: net: hns3: put off calling register_netdev() until client initialize complete Currently, the netdevice is registered before client initializingcomplete. So there is a timewindow between netdevice availableand usable. In this case, ...

6.5AI Score

0.0004EPSS

2024-03-25 09:15 AM
43
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cve

CVE-2021-47140

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Clear DMA ops when switching domain Since commit 08a27c1c3ecf ("iommu: Add support to change default domainof an iommu group") a user can switch a device between IOMMU and directDMA through sysfs. This doesn't work for A...

6.5AI Score

0.0004EPSS

2024-03-25 09:15 AM
38
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CVE-2021-47141

In the Linux kernel, the following vulnerability has been resolved: gve: Add NULL pointer checks when freeing irqs. When freeing notification blocks, we index priv->msix_vectors.If we failed to allocate priv->msix_vectors (see abort_with_msix_vectors)this could lead to a NULL pointer derefere...

6.3AI Score

0.0004EPSS

2024-03-25 09:15 AM
38
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cve

CVE-2021-47142

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix a use-after-free looks like we forget to set ttm->sg to NULL.Hit panic below [ 1235.844104] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b7b4b: 0000 [#1] SMP DEBUG_PAGEALLOC NOPTI[ 12...

6.3AI Score

0.0004EPSS

2024-03-25 09:15 AM
51
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cve

CVE-2021-47143

In the Linux kernel, the following vulnerability has been resolved: net/smc: remove device from smcd_dev_list after failed device_add() If the device_add() for a smcd_dev fails, there's no cleanup step thatrolls back the earlier list_add(). The device subsequently gets freed,and we end up with a co...

6.5AI Score

0.0004EPSS

2024-03-25 09:15 AM
44
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cve

CVE-2021-47144

In the Linux kernel, the following vulnerability has been resolved: drm/amd/amdgpu: fix refcount leak [Why]the gem object rfb->base.obj[0] is get according to num_planesin amdgpufb_create, but is not put according to num_planes [How]put rfb->base.obj[0] in amdgpu_fbdev_destroy according to nu...

6.4AI Score

0.0004EPSS

2024-03-25 09:15 AM
43
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cve

CVE-2021-47145

In the Linux kernel, the following vulnerability has been resolved: btrfs: do not BUG_ON in link_to_fixup_dir While doing error injection testing I got the following panic kernel BUG at fs/btrfs/tree-log.c:1862!invalid opcode: 0000 [#1] SMP NOPTICPU: 1 PID: 7836 Comm: mount Not tainted 5.13.0-rc1+ ...

6.8AI Score

0.0004EPSS

2024-03-25 09:15 AM
36
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cve

CVE-2021-47146

In the Linux kernel, the following vulnerability has been resolved: mld: fix panic in mld_newpack() mld_newpack() doesn't allow to allocate high order page,only order-0 allocation is allowed.If headroom size is too large, a kernel panic could occur in skb_put(). Test commands:ip netns del Aip netns...

6.4AI Score

0.0004EPSS

2024-03-25 09:15 AM
38
Total number of security vulnerabilities6678