9,847 results · Feed
-
High 7.8CVE-2024-44946 Public exploit
kcm: Serialise kcm_sendmsg() for the same socket.
In the Linux kernel, the following vulnerability has been resolved: kcm: Serialise kcm_sendmsg() for the same socket. syzkaller reported UAF in kcm_release(). [0] The scenario is 1. Thread A builds a skb with MSG_MORE and sets kcm->seq_skb. 2. Thread A resume…
-
Unscored —
netfilter: ctnetlink: use helper function to calculate expect ID
In the Linux kernel, the following vulnerability has been resolved: netfilter: ctnetlink: use helper function to calculate expect ID Delete expectation path is missing a call to the nf_expect_get_id() helper function to calculate the expectation ID, otherwise…
-
Unscored —
mm: gup: stop abusing try_grab_folio
In the Linux kernel, the following vulnerability has been resolved: mm: gup: stop abusing try_grab_folio A kernel warning was reported when pinning folio in CMA memory when launching SEV virtual machine. The splat looks like: [ 464.325306] WARNING: CPU: 13 PI…
-
High 7.8
f2fs: fix to do sanity check on F2FS_INLINE_DATA flag in inode during GC
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on F2FS_INLINE_DATA flag in inode during GC syzbot reports a f2fs bug as below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/inline.c:258! CPU: 1 PI…
-
High 7.8
f2fs: fix to cover read extent cache access with lock
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to cover read extent cache access with lock syzbot reports a f2fs bug as below: BUG: KASAN: slab-use-after-free in sanity_check_extent_cache+0x370/0x410 fs/f2fs/extent_cache.c:46 Re…
-
High 7.8
jfs: fix null ptr deref in dtInsertEntry
In the Linux kernel, the following vulnerability has been resolved: jfs: fix null ptr deref in dtInsertEntry [syzbot reported] general protection fault, probably for non-canonical address 0xdffffc0000000001: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-der…
-
High 7.5
fou: remove warn in gue_gro_receive on unsupported protocol
In the Linux kernel, the following vulnerability has been resolved: fou: remove warn in gue_gro_receive on unsupported protocol Drop the WARN_ON_ONCE inn gue_gro_receive if the encapsulated type is not known or does not have a GRO handler. Such a packet is ea…
-
Unscored —
jfs: Fix shift-out-of-bounds in dbDiscardAG
In the Linux kernel, the following vulnerability has been resolved: jfs: Fix shift-out-of-bounds in dbDiscardAG When searching for the next smaller log2 block, BLKSTOL2() returned 0, causing shift exponent -1 to be negative. This patch fixes the issue by exit…
-
Unscored —
platform/x86: intel-vbtn: Protect ACPI notify handler against recursion
In the Linux kernel, the following vulnerability has been resolved: platform/x86: intel-vbtn: Protect ACPI notify handler against recursion Since commit e2ffcda16290 ("ACPI: OSL: Allow Notify () handlers to run on all CPUs") ACPI notify handlers like the inte…
-
Unscored —
sctp: Fix null-ptr-deref in reuseport_add_sock().
In the Linux kernel, the following vulnerability has been resolved: sctp: Fix null-ptr-deref in reuseport_add_sock(). syzbot reported a null-ptr-deref while accessing sk2->sk_reuseport_cb in reuseport_add_sock(). [0] The repro first creates a listener with SO…
-
High 7.8
net: bridge: mcast: wait for previous gc cycles when removing port
In the Linux kernel, the following vulnerability has been resolved: net: bridge: mcast: wait for previous gc cycles when removing port syzbot hit a use-after-free[1] which is caused because the bridge doesn't make sure that all previous garbage has been colle…
-
Unscored —
idpf: fix UAFs when destroying the queues
In the Linux kernel, the following vulnerability has been resolved: idpf: fix UAFs when destroying the queues The second tagged commit started sometimes (very rarely, but possible) throwing WARNs from net/core/page_pool.c:page_pool_disable_direct_recycling().…
-
Unscored —
gpio: prevent potential speculation leaks in gpio_device_get_desc()
In the Linux kernel, the following vulnerability has been resolved: gpio: prevent potential speculation leaks in gpio_device_get_desc() Userspace may trigger a speculative read of an address outside the gpio descriptor array. Users can do that by calling gpio…
-
Unscored —
md/raid5: avoid BUG_ON() while continue reshape after reassembling
In the Linux kernel, the following vulnerability has been resolved: md/raid5: avoid BUG_ON() while continue reshape after reassembling Currently, mdadm support --revert-reshape to abort the reshape while reassembling, as the test 07revert-grow. However, follo…
-
High 7.0
nvme: apple: fix device reference counting
In the Linux kernel, the following vulnerability has been resolved: nvme: apple: fix device reference counting Drivers must call nvme_uninit_ctrl after a successful nvme_init_ctrl. Split the allocation side out to make the error handling boundary easier to na…
-
Unscored —
wifi: nl80211: disallow setting special AP channel widths
In the Linux kernel, the following vulnerability has been resolved: wifi: nl80211: disallow setting special AP channel widths Setting the AP channel width is meant for use with the normal 20/40/... MHz channel width progression, and switching around in S1G or…
-
High 7.8
bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses
In the Linux kernel, the following vulnerability has been resolved: bpf: add missing check_func_arg_reg_off() to prevent out-of-bounds memory accesses Currently, it's possible to pass in a modified CONST_PTR_TO_DYNPTR to a global function as an argument. The …
-
Unscored —
drm/amdgpu/pm: Fix the null pointer dereference for smu7
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm: Fix the null pointer dereference for smu7 optimize the code to avoid pass a null pointer (hwmgr->backend) to function smu7_update_edc_leakage_table.
-
Unscored —
drm/amdgpu: Fix the null pointer dereference to ras_manager
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: Fix the null pointer dereference to ras_manager Check ras_manager before using it
-
Unscored —
drm/amdgpu/pm: Fix the null pointer dereference in apply_state_adjust_rules
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/pm: Fix the null pointer dereference in apply_state_adjust_rules Check the pointer value to fix potential null pointer dereference
-
Unscored —
drm/admgpu: fix dereferencing null pointer context
In the Linux kernel, the following vulnerability has been resolved: drm/admgpu: fix dereferencing null pointer context When user space sets an invalid ta type, the pointer context will be empty. So it need to check the pointer context before using it
-
Unscored —
drm/amd/pm: Fix the null pointer dereference for vega10_hwmgr
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: Fix the null pointer dereference for vega10_hwmgr Check return value and conduct null pointer handling to avoid null pointer dereference.
-
Unscored —
drm/amd/display: Add null checks for 'stream' and 'plane' before dereferencing
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null checks for 'stream' and 'plane' before dereferencing This commit adds null checks for the 'stream' and 'plane' variables in the dcn30_apply_idle_power_optimizations …
-
Unscored —
drm/amd/display: Add null checker before passing variables
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null checker before passing variables Checks null pointer before passing variables to functions. This fixes 3 NULL_RETURNS issues reported by Coverity.
-
Unscored —
media: xc2028: avoid use-after-free in load_firmware_cb()
In the Linux kernel, the following vulnerability has been resolved: media: xc2028: avoid use-after-free in load_firmware_cb() syzkaller reported use-after-free in load_firmware_cb() [1]. The reason is because the module allocated a struct tuner in tuner_probe…
-
Unscored —
drm/amd/display: Fix null pointer deref in dcn20_resource.c
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix null pointer deref in dcn20_resource.c Fixes a hang thats triggered when MPV is run on a DCN401 dGPU: mpv --hwdec=vaapi --vo=gpu --hwdec-codecs=all and then enabling full…
-
Unscored —
drm/client: fix null pointer dereference in drm_client_modeset_probe
In the Linux kernel, the following vulnerability has been resolved: drm/client: fix null pointer dereference in drm_client_modeset_probe In drm_client_modeset_probe(), the return value of drm_mode_duplicate() is assigned to modeset->mode, which will lead to a…
-
Unscored —
serial: core: check uartclk for zero to avoid divide by zero
In the Linux kernel, the following vulnerability has been resolved: serial: core: check uartclk for zero to avoid divide by zero Calling ioctl TIOCSSERIAL with an invalid baud_base can result in uartclk being zero, which will result in a divide by zero error …
-
High 7.8
memcg: protect concurrent access to mem_cgroup_idr
In the Linux kernel, the following vulnerability has been resolved: memcg: protect concurrent access to mem_cgroup_idr Commit 73f576c04b94 ("mm: memcontrol: fix cgroup creation failure after many small jobs") decoupled the memcg IDs from the CSS ID space to f…
-
High 7.8
tracing: Have format file honor EVENT_FILE_FL_FREED
In the Linux kernel, the following vulnerability has been resolved: tracing: Have format file honor EVENT_FILE_FL_FREED When eventfs was introduced, special care had to be done to coordinate the freeing of the file meta data with the files that are exposed to…
-
Unscored —
tracing: Fix overflow in get_free_elt()
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix overflow in get_free_elt() "tracing_map->next_elt" in get_free_elt() is at risk of overflowing. Once it overflows, new elements can still be inserted into the tracing_map even th…
-
Unscored —
padata: Fix possible divide-by-0 panic in padata_mt_helper()
In the Linux kernel, the following vulnerability has been resolved: padata: Fix possible divide-by-0 panic in padata_mt_helper() We are hit with a not easily reproducible divide-by-0 panic in padata.c at bootup time. [ 10.017908] Oops: divide error: 0000 1 PR…
-
High 7.8
mm: list_lru: fix UAF for memory cgroup
In the Linux kernel, the following vulnerability has been resolved: mm: list_lru: fix UAF for memory cgroup The mem_cgroup_from_slab_obj() is supposed to be called under rcu lock or cgroup_mutex or others which could prevent returned memcg from being freed. F…
-
Unscored —
net/tcp: Disable TCP-AO static key after RCU grace period
In the Linux kernel, the following vulnerability has been resolved: net/tcp: Disable TCP-AO static key after RCU grace period The lifetime of TCP-AO static_key is the same as the last tcp_ao_info. On the socket destruction tcp_ao_info ceases to be with RCU gr…
-
Unscored —
drm/amd/display: Add null check in resource_log_pipe_topology_update
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Add null check in resource_log_pipe_topology_update [WHY] When switching from "Extend" to "Second Display Only" we sometimes call resource_get_otg_master_for_stream on a stre…
-
Unscored —
Bluetooth: MGMT: Add error handling to pair_device()
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: Add error handling to pair_device() hci_conn_params_add() never checks for a NULL value and could lead to a NULL pointer dereference causing a crash. Fixed by adding error ha…
-
Critical 9.8
usb: vhci-hcd: Do not drop references before new references are gained
In the Linux kernel, the following vulnerability has been resolved: usb: vhci-hcd: Do not drop references before new references are gained At a few places the driver carries stale pointers to references that can still be used. Make sure that does not happen. …
-
Unscored —
bpf: Fix crash due to out of bounds access into reg2btf_ids.
In the Linux kernel, the following vulnerability has been resolved: bpf: Fix crash due to out of bounds access into reg2btf_ids. When commit e6ac2450d6de ("bpf: Support bpf program calling kernel function") added kfunc support, it defined reg2btf_ids as a che…
-
High 7.8
exec: Fix ToCToU between perm check and set-uid/gid usage
In the Linux kernel, the following vulnerability has been resolved: exec: Fix ToCToU between perm check and set-uid/gid usage When opening a file for exec via do_filp_open(), permission checking is done against the file's metadata at that moment, and on succe…
-
High 8.8
wifi: ath12k: change DMA direction while mapping reinjected packets
In the Linux kernel, the following vulnerability has been resolved: wifi: ath12k: change DMA direction while mapping reinjected packets For fragmented packets, ath12k reassembles each fragment as a normal packet and then reinjects it into HW ring. In this cas…