17,623 results · Feed
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High 8.1
tcp: Fix potential UAF in reqsk_timer_handler().
In the Linux kernel, the following vulnerability has been resolved: tcp: Fix potential UAF in reqsk_timer_handler(). When TCP socket migration fails at inet_ehash_insert() in reqsk_timer_handler(), we jump to the no_ownership: label and free the new reqsk imm…
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High 7.8
sched_ext: Wait for SCX_OPSS_DISPATCHING before moving tasks off DSQs
In the Linux kernel, the following vulnerability has been resolved: sched_ext: Wait for SCX_OPSS_DISPATCHING before moving tasks off DSQs A task can be found on a non-local DSQ while the CPU which dispatched it is still running ops.dequeue() and hasn't cleare…
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Unscored —
drm/amdgpu: correct reservation fence slots for userq per-vm BOs eviction
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: correct reservation fence slots for userq per-vm BOs eviction It fixes both the move overflow and the eviction fence add for evicting these per-vm BOs.
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Unscored —
ntfs: fix resident conversion in ntfs_new_attr_flags
In the Linux kernel, the following vulnerability has been resolved: ntfs: fix resident conversion in ntfs_new_attr_flags When setting sparse/compressed flags on a resident attribute, the function skipped the resident-to-non-resident conversion and terminated.
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Unscored —
dm cache: fix issue with background work locking
In the Linux kernel, the following vulnerability has been resolved: dm cache: fix issue with background work locking dm cache used a rw_semaphore for background_work_lock. Write locks on rw_semaphores have strict owner semantics, but there was no guarantee th…
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Unscored —
soc/tegra: pmc: Fix uninitialised clock rate
In the Linux kernel, the following vulnerability has been resolved: soc/tegra: pmc: Fix uninitialised clock rate For legacy 32-bit Tegra devices, the warning in the tegra_pmc_enter_suspend_mode() function is being triggered because the early_pmc->rate variabl…
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Unscored —
gpio: shared: gracefully handle no-device lookup of shared GPIOs
In the Linux kernel, the following vulnerability has been resolved: gpio: shared: gracefully handle no-device lookup of shared GPIOs We use platform lookup tables for shared GPIOs. This mechanism needs a struct device to work so fwnode-based lookup with no de…
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Unscored —
x86/hyperv: Avoid using per-cpu output page in hv_apicid_to_vp_index()
In the Linux kernel, the following vulnerability has been resolved: x86/hyperv: Avoid using per-cpu output page in hv_apicid_to_vp_index() hv_apicid_to_vp_index() currently uses the per-cpu hypercall input and output pages. This function is called when runnin…
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Unscored —
io_uring/io-wq: don't hide a link from cancellations
In the Linux kernel, the following vulnerability has been resolved: io_uring/io-wq: don't hide a link from cancellations A task that exits cancels its tracked requests and waits until they are gone. io_uring_cancel_generic() looks everywhere a request can be,…
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Unscored —
io_uring/cancel: rearm local work wake up before sleep
In the Linux kernel, the following vulnerability has been resolved: io_uring/cancel: rearm local work wake up before sleep io_uring_try_cancel_requests() sets ->cq_wait_nr to 1 so that the next io_req_local_work_add() wakes the cancelling task. The add that t…
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Unscored —
io_uring: don't flood a cancelling task with task_work
In the Linux kernel, the following vulnerability has been resolved: io_uring: don't flood a cancelling task with task_work io_ring_exit_work() asks each task which has used the ring to remove its tctx node, by task_work, and repeats that until the list is emp…
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Unscored —
printk: Postpone kthread startup
In the Linux kernel, the following vulnerability has been resolved: printk: Postpone kthread startup There have been various bug reports related to SMP systems hanging on boot. The reports vary but seem to have some overlap with regard to missed IPI's during …
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Unscored —
Drivers: hv: Avoid infinite retry loop in init_vp_index()
In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: Avoid infinite retry loop in init_vp_index() There is a retry loop in init_vp_index() where the CPUs from a certain node are stripped out if they have already been in the allocat…
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Unscored —
pid_namespace: make zap_pid_ns_processes() freezable
In the Linux kernel, the following vulnerability has been resolved: pid_namespace: make zap_pid_ns_processes() freezable When the init of a pid namespace exits, zap_pid_ns_processes() waits until all other pids in the namespace are freed. A tracer outside the…
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Unscored —
tracing: Do not initialize tracefs work if tracing is disabled
In the Linux kernel, the following vulnerability has been resolved: tracing: Do not initialize tracefs work if tracing is disabled If trace buffer allocation fails during early boot (e.g. in early_trace_init() -> allocate_trace_buffers()), tracing_disabled is…
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Unscored —
i2c: xiic: restore non-managed runtime PM to fix clk WARN flood
In the Linux kernel, the following vulnerability has been resolved: i2c: xiic: restore non-managed runtime PM to fix clk WARN flood The devres conversion replaced manual pm_runtime_enable()/disable() with devm_pm_runtime_set_active_enabled() and dropped the r…
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High 8.1
tipc: protect node reset trace dump with node lock
In the Linux kernel, the following vulnerability has been resolved: tipc: protect node reset trace dump with node lock The tipc_node_reset_links trace event asks tipc_node_dump() to walk the node's link entries. Unlike the other node events that request link …
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Unscored —
KEYS: Fix key_reject_and_link() race with keyring restriction
In the Linux kernel, the following vulnerability has been resolved: KEYS: Fix key_reject_and_link() race with keyring restriction The restrict_link check in key_reject_and_link() is done before taking the keyring semaphore, racing with a concurrent keyring_re…
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Unscored —
pid_namespace: prevent TIF_NOTIFY_SIGNAL from interrupting the reaper
In the Linux kernel, the following vulnerability has been resolved: pid_namespace: prevent TIF_NOTIFY_SIGNAL from interrupting the reaper Since commit 7fea700e04bd ("zap_pid_ns_processes: clear TIF_NOTIFY_SIGNAL along with TIF_SIGPENDING") zap_pid_ns_processe…
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High 7.8
Bluetooth: L2CAP: refuse __l2cap_chan_add if chan already has conn
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: refuse __l2cap_chan_add if chan already has conn l2cap_chan may be linked to l2cap_conn at most once. This is assumed in several places, eg l2cap_chan_del cleanup. There is …
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Unscored —
mm/damon/core: error damos_commit_quota_goal() for zero target_value
In the Linux kernel, the following vulnerability has been resolved: mm/damon/core: error damos_commit_quota_goal() for zero target_value Patch series "mm/damon: move zero damos quota target_value handling to the core layer". Having zero DAMOS quota target val…
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High 7.8
tracing: Hold trace_types_lock when updating modules in persistent instances
In the Linux kernel, the following vulnerability has been resolved: tracing: Hold trace_types_lock when updating modules in persistent instances trace_module_record() walks ftrace_trace_arrays from the module notifier without trace_types_lock. A concurrent rm…
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High 7.8
tracing: Hold trace_types_lock when resetting last boot data from readers
In the Linux kernel, the following vulnerability has been resolved: tracing: Hold trace_types_lock when resetting last boot data from readers update_last_data_if_empty() is called from tracing_open() with O_TRUNC, tracing_read_pipe() and tracing_buffers_read(…
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High 7.8
tracing: Reject incomplete event filter expressions
In the Linux kernel, the following vulnerability has been resolved: tracing: Reject incomplete event filter expressions A non-empty expression normally finishes in predicate_parse()'s inner loop, which resolves the pending logical operators before jumping to …
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Unscored —
tracing: Unregister field variable histograms when the command fails
In the Linux kernel, the following vulnerability has been resolved: tracing: Unregister field variable histograms when the command fails An action that names a field on another event needs that field as a variable, so create_field_var_hist() registers a secon…
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High 7.8
tracing: Save the event file instead of the compatible histogram
In the Linux kernel, the following vulnerability has been resolved: tracing: Save the event file instead of the compatible histogram create_field_var_hist() creates a histogram on the matched event to supply a field variable, and records it on the target so i…
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High 7.8
tracing/histograms: Verify event_call identity when updating synth_event refcount
In the Linux kernel, the following vulnerability has been resolved: tracing/histograms: Verify event_call identity when updating synth_event refcount In event_hist_trigger_parse() and hist_unreg_all(), the histogram registration and unregistration paths look …
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Unscored —
tracing/syscalls: Use copy_from_user for the faultable syscall buffer
In the Linux kernel, the following vulnerability has been resolved: tracing/syscalls: Use copy_from_user for the faultable syscall buffer syscall_copy_user_array() copies the buffer argument of faultable syscalls (write, pwrite64, ...) with __copy_from_user()…
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High 7.8
io_uring/waitid: own the request before clearing ->head
In the Linux kernel, the following vulnerability has been resolved: io_uring/waitid: own the request before clearing ->head io_waitid_remove_wq() only takes the wait queue lock if ->head is set. io_waitid_wait() clears ->head first thing, before it tries to b…
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Unscored —
io_uring/wait: don't spin on a stuck overflow list
In the Linux kernel, the following vulnerability has been resolved: io_uring/wait: don't spin on a stuck overflow list As long as IO_CHECK_CQ_OVERFLOW_BIT is set, io_cqring_wait_schedule() returns right away, before it gets to look at signals or arms the time…
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Unscored —
io_uring/cmd: don't leave list poison in ->hash_node
In the Linux kernel, the following vulnerability has been resolved: io_uring/cmd: don't leave list poison in ->hash_node io_uring_cmd_del_cancelable() uses hlist_del() to take a command off ->cancelable_uring_cmd, which leaves LIST_POISON1/2 behind in ->hash_…
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High 7.8
io_uring/waitid: prevent cancel reference wrap
In the Linux kernel, the following vulnerability has been resolved: io_uring/waitid: prevent cancel reference wrap io_waitid packs the cancellation state into bit 31 of ->refs and uses bits 30:0 as a 31-bit reference counter: #define IO_WAITID_CANCEL_FLAG BIT…
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Unscored —
io_uring/io-wq: don't lose the signal that ends work
In the Linux kernel, the following vulnerability has been resolved: io_uring/io-wq: don't lose the signal that ends work When a thread exits, only its tracked requests are cancelled. Then its io-wq is torn down. io_wq_exit_workers() signals every worker, to g…
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Unscored —
keys: Avoid the owner account dereference in named keyring lookup
In the Linux kernel, the following vulnerability has been resolved: keys: Avoid the owner account dereference in named keyring lookup Named keyring lookup must keep the storage containing the owner UID alive through the namespace mapping check. find_keyring_b…
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Unscored —
keys: Check the authorization payload in process keyring searches
In the Linux kernel, the following vulnerability has been resolved: keys: Check the authorization payload in process keyring searches An authorization payload and its saved credentials must remain valid while search_process_keyrings_rcu() searches the request…
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High 7.0
keys: Protect the type name while describing a key
In the Linux kernel, the following vulnerability has been resolved: keys: Protect the type name while describing a key keyctl_describe_key() must keep the key type's name alive until kasprintf() has consumed it. The retained key reference keeps the key and it…
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Unscored —
keys: make keyring indexes independent of kernel addresses
In the Linux kernel, the following vulnerability has been resolved: keys: make keyring indexes independent of kernel addresses KEYCTL_READ returns the serial numbers in a keyring in associative-array traversal order. The first word of the index is a public, d…
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Unscored —
keys/trusted_keys: return immediately after TPM unseal failure
In the Linux kernel, the following vulnerability has been resolved: keys/trusted_keys: return immediately after TPM unseal failure trusted_tpm_unseal() proceeds to pcrlock() when the TPM unseal operation fails. If pcrlock() succeeds, its return value overwrit…
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Unscored —
keys: Protect the read method check against type removal
In the Linux kernel, the following vulnerability has been resolved: keys: Protect the read method check against type removal keyctl_read_key() checks key->type->read without holding key->sem. A reference keeps the key alive, but does not pin the module contai…
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Unscored —
ftrace: Initialize modname and offset in print_rec()
In the Linux kernel, the following vulnerability has been resolved: ftrace: Initialize modname and offset in print_rec() print_rec() leaves 'modname' and 'offset' uninitialized and kallsyms_lookup() only sets them on success. When the lookup fails like when a…