cve.bz

CWE-667: Improper Locking, page 10

Filter

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

What the weakness is: CWE-667 at MITRE. All weaknesses

Related attack patterns (CAPEC): 3
  • CAPEC-25 Forced Deadlock Likelihood: Low · Severity: High
  • CAPEC-26 Leveraging Race Conditions Likelihood: High · Severity: High
  • CAPEC-27 Leveraging Race Conditions via Symbolic Links Likelihood: Medium · Severity: High

The attack patterns MITRE's CAPEC relates to CWE-667, as MITRE names them. Credits.

Ask an AI about CWE-667

ChatGPTClaudeGoogle AI Mode

Show the promptExplain CWE-667: Improper Locking and how to prevent and detect it in code. Use https://cwe.mitre.org/data/definitions/667.html and https://cve.bz/cve/cwe/667?via=ask-ai-copy for recent CVEs with this weakness. Cite the sources.

Opens a third-party assistant; its answer is its own, not cve.bz's. The prompt holds only this weakness's id and public links.

  1. 5.5CVE-2024-40977EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7921s: fix potential hung tasks during chip recovery During chip recovery (e.g. chip reset), there is a possible situation that kernel worker reset_work is…

  2. 5.5CVE-2024-40972EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: ext4: do not create EA inode under buffer lock ext4_xattr_set_entry() creates new EA inodes while holding buffer lock on the external xattr block. This is problematic as…

  3. 5.5CVE-2024-40969EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: f2fs: don't set RO when shutting down f2fs Shutdown does not check the error of thaw_super due to readonly, which causes a deadlock like below. f2fs_ioc_shutdown(F2FS_G…

  4. 5.5CVE-2024-40967EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: serial: imx: Introduce timeout when waiting on transmitter empty By waiting at most 1 second for USR2_TXDC to be set, we avoid a potential deadlock. In case of the time…

  5. 5.5CVE-2024-40965EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: i2c: lpi2c: Avoid calling clk_get_rate during transfer Instead of repeatedly calling clk_get_rate for each transfer, lock the clock rate and cache the value. A deadlock …

  6. 5.5CVE-2024-40922EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: io_uring/rsrc: don't lock while !TASK_RUNNING There is a report of io_rsrc_ref_quiesce() locking a mutex while not TASK_RUNNING, which is due to forgetting restoring the…

  7. 5.5CVE-2024-40915EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: riscv: rewrite __kernel_map_pages() to fix sleeping in invalid context __kernel_map_pages() is a debug function which clears the valid bit in page table entry for deallo…

  8. 5.5CVE-2024-40912EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: Fix deadlock in ieee80211_sta_ps_deliver_wakeup() The ieee80211_sta_ps_deliver_wakeup() function takes sta->ps_lock to synchronizes with ieee80211_tx_h_u…

  9. 5.5CVE-2024-39476EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: md/raid5: fix deadlock that raid5d() wait for itself to clear MD_SB_CHANGE_PENDING Xiao reported that lvm2 test lvconvert-raid-takeover.sh can hang with small possibilit…

  10. 5.5CVE-2024-39468EPSS 0.5%

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix deadlock in smb2_find_smb_tcon() Unlock cifs_tcp_ses_lock before calling cifs_put_smb_ses() to avoid such deadlock.

  11. 7.8CVE-2024-38664EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: drm: zynqmp_dpsub: Always register bridge We must always register the DRM bridge, since zynqmp_dp_hpd_work_func calls drm_bridge_hpd_notify, which in turn expects hpd_mu…

  12. 5.5CVE-2024-38780EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: dma-buf/sw-sync: don't enable IRQ from sync_print_obj() Since commit a6aa8fca4d79 ("dma-buf/sw-sync: Reduce irqsave/irqrestore from known context") by error replaced spi…

  13. 5.5CVE-2024-38634EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: serial: max3100: Lock port->lock when calling uart_handle_cts_change() uart_handle_cts_change() has to be called with port lock taken, Since we run it in a separate work…

  14. 4.4CVE-2023-52884EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: Input: cyapa - add missing input core locking to suspend/resume functions Grab input->mutex during suspend/resume functions like it is done in other input drivers. This …

  15. 7.1CVE-2022-48760EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: USB: core: Fix hang in usb_kill_urb by adding memory barriers The syzbot fuzzer has identified a bug in which processes hang waiting for usb_kill_urb() to return. It tu…

  16. 5.5CVE-2022-48734EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix deadlock between quota disable and qgroup rescan worker Quota disable ioctl starts a transaction before waiting for the qgroup rescan worker completes. Howeve…

  17. 5.5CVE-2022-48731EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: mm/kmemleak: avoid scanning potential huge holes When using devm_request_free_mem_region() and devm_memremap_pages() to add ZONE_DEVICE memory, if requested free mem reg…

  18. 5.5CVE-2022-48719EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: net, neigh: Do not trigger immediate probes on NUD_FAILED from neigh_managed_work syzkaller was able to trigger a deadlock for NTF_MANAGED entries [0]: kworker/0:16/1…

  19. 4.4CVE-2021-47603EPSS 0.2%

    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…

  20. 5.5CVE-2021-47590EPSS 0.2%

    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…

  21. 5.5CVE-2021-47587EPSS 0.5%

    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…

  22. 5.5CVE-2024-38600EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: ALSA: Fix deadlocks with kctl removals at disconnection In snd_card_disconnect(), we set card->shutdown flag at the beginning, call callbacks and do sync for card->power…

  23. 5.5CVE-2024-38598EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: md: fix resync softlockup when bitmap size is less than array size Is is reported that for dm-raid10, lvextend + lvchange --syncaction will trigger following softlockup:…

  24. 5.5CVE-2024-38597EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: eth: sungem: remove .ndo_poll_controller to avoid deadlocks Erhard reports netpoll warnings from sungem: netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (g…

  25. 5.5CVE-2024-38591EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix deadlock on SRQ async events. xa_lock for SRQ table may be required in AEQ. Use xa_store_irq()/ xa_erase_irq() to avoid deadlock.

  26. 5.5CVE-2024-38589EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: netrom: fix possible dead-lock in nr_rt_ioctl() syzbot loves netrom, and found a possible deadlock in nr_rt_ioctl [1] Make sure we always acquire nr_node_list_lock befo…

  27. 5.3CVE-2024-38582EPSS 0.9%

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential hang in nilfs_detach_log_writer() Syzbot has reported a potential hang in nilfs_detach_log_writer() called during nilfs2 unmount. Analysis reveale…

  28. 5.5CVE-2024-38557EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Reload only IB representors upon lag disable/enable On lag disable, the bond IB device along with all of its representors are destroyed, and then the slaves' r…

  29. 5.5CVE-2024-38553EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: net: fec: remove .ndo_poll_controller to avoid deadlocks There is a deadlock issue found in sungem driver, please refer to the commit ac0a230f719b ("eth: sungem: remove …

  30. 5.5CVE-2024-36976EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: Revert "media: v4l2-ctrls: show all owned controls in log_status" This reverts commit 9801b5b28c6929139d6fceeee8d739cc67bb2739. This patch introduced a potential deadlo…

  31. 7.8CVE-2024-32900EPSS 0.2%

    In lwis_fence_signal of lwis_debug.c, there is a possible Use after Free due to improper locking. This could lead to local escalation of privilege from hal_camera_default SELinux label with no additional execution privileges needed. User i…

  32. 5.5CVE-2024-36970EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: Use request_module_nowait This appears to work around a deadlock regression that came in with the LED merge in 6.9. The deadlock happens on my system wit…

  33. 5.5CVE-2024-36961EPSS 0.1%

    In the Linux kernel, the following vulnerability has been resolved: thermal/debugfs: Fix two locking issues with thermal zone debug With the current thermal zone locking arrangement in the debugfs code, user space can open the "mitigatio…

  34. 5.5CVE-2024-36944EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: Reapply "drm/qxl: simplify qxl_fence_wait" This reverts commit 07ed11afb68d94eadd4ffc082b97c2331307c5ea. Stephen Rostedt reports: "I went to run my tests on my VMs and…

  35. 5.5CVE-2024-36936EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: efi/unaccepted: touch soft lockup during memory accept Commit 50e782a86c98 ("efi/unaccepted: Fix soft lockups caused by parallel memory acceptance") has released the spi…

  36. 5.5CVE-2024-36924EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Release hbalock before calling lpfc_worker_wake_up() lpfc_worker_wake_up() calls the lpfc_work_done() routine, which takes the hbalock. Thus, lpfc_worker_wa…

  37. 5.5CVE-2024-36919EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: scsi: bnx2fc: Remove spin_lock_bh while releasing resources after upload The session resources are used by FW and driver when session is offloaded, once session is uploa…

  38. 5.5CVE-2024-36882EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: mm: use memalloc_nofs_save() in page_cache_ra_order() See commit f2c817bed58d ("mm: use memalloc_nofs_save in readahead path"), ensure that page_cache_ra_order() do not …

  39. 5.5CVE-2021-47494EPSS 0.2%

    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…

  40. 5.5CVE-2021-47468EPSS 0.2%

    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…

  41. 5.5CVE-2021-47437EPSS 0.1%

    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…

  42. 4.7CVE-2023-52786EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: ext4: fix racy may inline data check in dio write syzbot reports that the following warning from ext4_iomap_begin() triggers as of the commit referenced below: …

  43. 7.8CVE-2023-52757EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential deadlock when releasing mids All release_mid() callers seem to hold a reference of @mid so there is no need to call kref_put(&mid->refcount, _…

  44. 5.5CVE-2023-52737EPSS 0.2%

    In the Linux kernel, the following vulnerability has been resolved: btrfs: lock the inode in shared mode before starting fiemap Currently fiemap does not take the inode's lock (VFS lock), it only locks a file range in the inode's io tree…

  45. 5.5CVE-2021-47421EPSS 0.2%

    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…

  46. 4.7CVE-2021-47382EPSS 0.2%

    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…

  47. 5.5CVE-2021-47359EPSS 0.2%

    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!

  48. 5.5CVE-2021-47350EPSS 0.2%

    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…

  49. 5.5CVE-2021-47349EPSS 0.2%

    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 …

  50. 3.3CVE-2021-47317EPSS 0.2%

    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…