CWE-667— Improper Locking

The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.— MITRE CWE catalog

700 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →

CVEs classified under CWE-667page 3 of 14

CVE-2021-39640HIGHCVSS 7.8EG 7.8
2021-12-15
In __dwc3_gadget_ep0_queue of ep0.c, there is a possible out of bounds write due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for explo…
CVE-2021-39647MEDIUMCVSS 4.4EG 4.4
2021-12-15
In mon_smc_load_sp of gs101-sc/plat/samsung/exynos/soc/exynos9845/smc_booting.S, there is a possible reinitialization of TEE due to improper locking. This could lead to local information disclosure with System execution privileges needed. …
CVE-2021-39649MEDIUMCVSS 6.7EG 6.7
2021-12-15
In regmap_exit of regmap.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for exploitation…
CVE-2021-39656MEDIUMCVSS 6.7EG 6.7
2021-12-15
In __configfs_open_file of file.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed for explo…
CVE-2021-39801HIGHCVSS 7.8EG 7.8
2022-04-12
In ion_ioctl of ion-ioctl.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.Produ…
CVE-2021-41141MEDIUMCVSS 5.9EG 5.9
2022-01-04
PJSIP is a free and open source multimedia communication library written in the C language implementing standard based protocols such as SIP, SDP, RTP, STUN, TURN, and ICE. In various parts of PJSIP, when error/failure occurs, it is found …
CVE-2021-41213MEDIUMCVSS 5.5EG 5.5
2021-11-05
TensorFlow is an open source platform for machine learning. In affected versions the code behind `tf.function` API can be made to deadlock when two `tf.function` decorated Python functions are mutually recursive. This occurs due to using a…
CVE-2021-4147MEDIUMCVSS 6.5EG 6.5
2022-03-25
A flaw was found in the libvirt libxl driver. A malicious guest could continuously reboot itself and cause libvirtd on the host to deadlock or crash, resulting in a denial of service condition.
CVE-2021-4149MEDIUMCVSS 5.5EG 5.5
2022-03-23
A vulnerability was found in btrfs_alloc_tree_b in fs/btrfs/extent-tree.c in the Linux kernel due to an improper lock operation in btrfs. In this flaw, a user with a local privilege may cause a denial of service (DOS) due to a deadlock pro…
CVE-2021-43395MEDIUMCVSS 5.5EG 5.5
2022-12-26
An issue was discovered in illumos before f859e7171bb5db34321e45585839c6c3200ebb90, OmniOS Community Edition r151038, OpenIndiana Hipster 2021.04, and SmartOS 20210923. A local unprivileged user can cause a deadlock and kernel panic via cr…
CVE-2021-43429HIGHCVSS 7.5EG 7.5
2022-04-07
A Denial of Service vulnerability exists in CORTX-S3 Server as of 11/7/2021 via the mempool_destroy method due to a failture to release locks pool->lock.
CVE-2021-46927MEDIUMCVSS 5.5EG 5.5
2024-02-27
In the Linux kernel, the following vulnerability has been resolved: nitro_enclaves: Use get_user_pages_unlocked() call to handle mmap assert After commit 5b78ed24e8ec ("mm/pagemap: add mmap_assert_locked() annotations to find_vma*()"), t…
CVE-2021-46987MEDIUMCVSS 5.5EG 5.5
2024-02-28
In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock when cloning inline extents and using qgroups There are a few exceptional cases where cloning an inline extent needs to copy the inline extent data i…
CVE-2021-47038MEDIUMCVSS 5.5EG 5.5
2024-02-28
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: avoid deadlock between hci_dev->lock and socket lock Commit eab2404ba798 ("Bluetooth: Add BT_PHY socket option") added a dependency between socket lock and hc…
CVE-2021-47041MEDIUMCVSS 5.5EG 5.5
2024-02-28
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 rea…
CVE-2021-47055MEDIUMCVSS 5.5EG 5.5
2024-02-29
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 har…
CVE-2021-47067MEDIUMCVSS 5.5EG 5.5
2024-02-29
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 th…
CVE-2021-47091MEDIUMCVSS 5.5EG 5.5
2024-03-04
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix locking in ieee80211_start_ap error path We need to hold the local->mtx to release the channel context, as even encoded by the lockdep_assert_held() there.…
CVE-2021-47128MEDIUMCVSS 5.5EG 5.5
2024-03-15
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 …
CVE-2021-47163MEDIUMCVSS 5.5EG 5.5
2024-03-25
In the Linux kernel, the following vulnerability has been resolved: tipc: wait and exit until all work queues are done On some host, a crash could be triggered simply by repeating these commands several times: # modprobe tipc # tipc…
CVE-2021-47185MEDIUMCVSS 4.4EG 4.4
2024-04-10
In the Linux kernel, the following vulnerability has been resolved: tty: tty_buffer: Fix the softlockup issue in flush_to_ldisc When running ltp testcase(ltp/testcases/kernel/pty/pty04.c) with arm64, there is a soft lockup, which look li…
CVE-2021-47192MEDIUMCVSS 5.3EG 5.3
2024-04-10
In the Linux kernel, the following vulnerability has been resolved: scsi: core: sysfs: Fix hang when device state is set via sysfs This fixes a regression added with: commit f0f82e2476f6 ("scsi: core: Fix capacity set to zero after offl…
CVE-2021-47225MEDIUMCVSS 5.5EG 5.5
2024-05-21
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix deadlock in AP/VLAN handling Syzbot reports that when you have AP_VLAN interfaces that are up and close the AP interface they belong to, we get a deadlock.…
CVE-2021-47242HIGHCVSS 7.8EG 7.8
2024-05-21
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…
CVE-2021-47271MEDIUMCVSS 5.5EG 5.5
2024-05-21
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: …
CVE-2021-47317LOWCVSS 3.3EG 3.3
2024-05-21
In the Linux kernel, the following vulnerability has been resolved: powerpc/bpf: Fix detecting BPF atomic instructions Commit 91c960b0056672 ("bpf: Rename BPF_XADD and prepare to encode other atomics in .imm") converted BPF_XADD to BPF_A…
CVE-2021-47349MEDIUMCVSS 5.5EG 5.5
2024-05-21
In the Linux kernel, the following vulnerability has been resolved: mwifiex: bring down link before deleting interface We can deadlock when rmmod'ing the driver or going through firmware reset, because the cfg80211_unregister_wdev() has …
CVE-2021-47350MEDIUMCVSS 5.5EG 5.5
2024-05-21
In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix lockup on kernel exec fault The powerpc kernel is not prepared to handle exec faults from kernel. Especially, the function is_exec_fault() will return 'f…
CVE-2021-47359MEDIUMCVSS 5.5EG 5.5
2024-05-21
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix soft lockup during fsstress Below traces are observed during fsstress and system got hung. [ 130.698396] watchdog: BUG: soft lockup - CPU#6 stuck for 26s!
CVE-2021-47382MEDIUMCVSS 4.7EG 4.7
2024-05-21
In the Linux kernel, the following vulnerability has been resolved: s390/qeth: fix deadlock during failing recovery Commit 0b9902c1fcc5 ("s390/qeth: fix deadlock during recovery") removed taking discipline_mutex inside qeth_do_reset(), f…
CVE-2021-47421MEDIUMCVSS 5.5EG 5.5
2024-05-21
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: handle the case of pci_channel_io_frozen only in amdgpu_pci_resume In current code, when a PCI error state pci_channel_io_normal is detectd, it will report P…
CVE-2021-47437MEDIUMCVSS 5.5EG 5.5
2024-05-22
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…
CVE-2021-47468MEDIUMCVSS 5.5EG 5.5
2024-05-22
In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: Fix sleeping function called from invalid context The driver can call card->isac.release() function from an atomic context. Fix this by calling this functi…
CVE-2021-47494MEDIUMCVSS 5.5EG 5.5
2024-05-22
In the Linux kernel, the following vulnerability has been resolved: cfg80211: fix management registrations locking The management registrations locking was broken, the list was locked for each wdev, but cfg80211_mgmt_registrations_update…
CVE-2021-47587MEDIUMCVSS 5.5EG 5.5
2024-06-19
In the Linux kernel, the following vulnerability has been resolved: net: systemport: Add global locking for descriptor lifecycle The descriptor list is a shared resource across all of the transmit queues, and the locking mechanism used t…
CVE-2021-47590MEDIUMCVSS 5.5EG 5.5
2024-06-19
In the Linux kernel, the following vulnerability has been resolved: mptcp: fix deadlock in __mptcp_push_pending() __mptcp_push_pending() may call mptcp_flush_join_list() with subflow socket lock held. If such call hits mptcp_sockopt_sync…
CVE-2021-47603MEDIUMCVSS 4.4EG 4.4
2024-06-19
In the Linux kernel, the following vulnerability has been resolved: audit: improve robustness of the audit queue handling If the audit daemon were ever to get stuck in a stopped state the kernel's kauditd_thread() could get blocked attem…
CVE-2021-47622MEDIUMCVSS 5.5EG 5.5
2024-07-16
In the Linux kernel, the following vulnerability has been resolved: scsi: ufs: Fix a deadlock in the error handler The following deadlock has been observed on a test setup: - All tags allocated - The SCSI error handler calls ufshcd_e…
CVE-2021-47632MEDIUMCVSS 5.5EG 5.5
2025-02-26
In the Linux kernel, the following vulnerability has been resolved: powerpc/set_memory: Avoid spinlock recursion in change_page_attr() Commit 1f9ad21c3b38 ("powerpc/mm: Implement set_memory() routines") included a spin_lock() to change_p…
CVE-2021-47637MEDIUMCVSS 5.5EG 5.5
2025-02-26
In the Linux kernel, the following vulnerability has been resolved: ubifs: Fix deadlock in concurrent rename whiteout and inode writeback Following hung tasks: [ 77.028764] task:kworker/u8:4 state:D stack: 0 pid: 132 [ 77.0288…
CVE-2022-0897MEDIUMCVSS 4.3EG 4.3
2022-03-25
A flaw was found in the libvirt nwfilter driver. The virNWFilterObjListNumOfNWFilters method failed to acquire the driver->nwfilters mutex before iterating over virNWFilterObj instances. There was no protection to stop another thread from …
CVE-2022-20016MEDIUMCVSS 6.7EG 6.7
2022-01-04
In vow driver, there is a possible memory corruption due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS05862986…
CVE-2022-20141HIGHCVSS 7.0EG 7.8
2022-06-15
In ip_check_mc_rcu of igmp.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege when opening and closing inet sockets with no additional execution privileges needed. User interacti…
CVE-2022-20153MEDIUMCVSS 6.7EG 6.7
2022-06-15
In rcu_cblist_dequeue of rcu_segcblist.c, there is a possible use-after-free due to improper locking. This could lead to local escalation of privilege in the kernel with System execution privileges needed. User interaction is not needed fo…
CVE-2022-20371MEDIUMCVSS 6.4EG 6.4
2022-08-11
In dm_bow_dtr and related functions of dm-bow.c, there is a possible use after free due to a race condition. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for explo…
CVE-2022-20376MEDIUMCVSS 6.7EG 6.7
2022-08-11
In trusty_log_seq_start of trusty-log.c, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.…
CVE-2022-20422HIGHCVSS 7.0EG 7.0
2022-10-11
In emulation_proc_handler of armv8_deprecated.c, there is a possible way to corrupt memory due to a race condition. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not ne…
CVE-2022-20566HIGHCVSS 7.8EG 7.8
2022-12-16
In l2cap_chan_put of l2cap_core, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.P…
CVE-2022-21775MEDIUMCVSS 6.7EG 6.7
2022-07-06
In sched driver, there is a possible use after free due to improper locking. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation. Patch ID: ALPS06479032;…
CVE-2022-22175HIGHCVSS 7.5EG 7.5
2022-01-19
An Improper Locking vulnerability in the SIP ALG of Juniper Networks Junos OS on MX Series and SRX Series allows an unauthenticated networked attacker to cause a flowprocessing daemon (flowd) crash and thereby a Denial of Service (DoS). Co…

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