8,942 results · Feed
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Medium 4.0
KVM: s390: fix setting of fpc register
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: fix setting of fpc register kvm_arch_vcpu_ioctl_set_fpu() allows to set the floating point control (fpc) register of a guest cpu. The new value is tested for validity by temporaril…
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Unscored —
wifi: rt2x00: restart beacon queue when hardware reset
In the Linux kernel, the following vulnerability has been resolved: wifi: rt2x00: restart beacon queue when hardware reset When a hardware reset is triggered, all registers are reset, so all queues are forced to stop in hardware interface. However, mac80211 w…
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Unscored —
wifi: ath9k: Fix potential array-index-out-of-bounds read in ath9k_htc_txstatus()
In the Linux kernel, the following vulnerability has been resolved: wifi: ath9k: Fix potential array-index-out-of-bounds read in ath9k_htc_txstatus() Fix an array-index-out-of-bounds read in ath9k_htc_txstatus(). The bug occurs when txs->cnt, data from a URB …
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Unscored —
wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()
In the Linux kernel, the following vulnerability has been resolved: wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap() Since 'ieee80211_beacon_get()' can return NULL, 'wfx_set_mfp_ap()' should check the return value before examining skb data…
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High 7.8
reiserfs: Avoid touching renamed directory if parent does not change
In the Linux kernel, the following vulnerability has been resolved: reiserfs: Avoid touching renamed directory if parent does not change The VFS will not be locking moved directory if its parent does not change. Change reiserfs rename code to avoid touching r…
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High 7.8
ocfs2: Avoid touching renamed directory if parent does not change
In the Linux kernel, the following vulnerability has been resolved: ocfs2: Avoid touching renamed directory if parent does not change The VFS will not be locking moved directory if its parent does not change. Change ocfs2 rename code to avoid touching renamed…
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Unscored —
media: rkisp1: Fix IRQ disable race issue
In the Linux kernel, the following vulnerability has been resolved: media: rkisp1: Fix IRQ disable race issue In rkisp1_isp_stop() and rkisp1_csi_disable() the driver masks the interrupts and then apparently assumes that the interrupt handler won't be running…
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Unscored —
IB/ipoib: Fix mcast list locking
In the Linux kernel, the following vulnerability has been resolved: IB/ipoib: Fix mcast list locking Releasing the `priv->lock` while iterating the `priv->multicast_list` in `ipoib_mcast_join_task()` opens a window for `ipoib_mcast_dev_flush()` to remove the …
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High 7.3
f2fs: fix to tag gcing flag on page during block migration
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to tag gcing flag on page during block migration It needs to add missing gcing flag on page during block migration, in order to garantee migrated data be persisted during checkpoint…
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High 7.8
drm/msm/dpu: Add mutex lock in control vblank irq
In the Linux kernel, the following vulnerability has been resolved: drm/msm/dpu: Add mutex lock in control vblank irq Add a mutex lock to control vblank irq to synchronize vblank enable/disable operations happening from different threads to prevent race condi…
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Unscored —
ceph: fix deadlock or deadcode of misusing dget()
In the Linux kernel, the following vulnerability has been resolved: ceph: fix deadlock or deadcode of misusing dget() The lock order is incorrect between denty and its parent, we should always make sure that the parent get the lock first. But since this deadc…
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Unscored —
tomoyo: fix UAF write bug in tomoyo_write_control()
In the Linux kernel, the following vulnerability has been resolved: tomoyo: fix UAF write bug in tomoyo_write_control() Since tomoyo_write_control() updates head->write_buf when write() of long lines is requested, we need to fetch head->write_buf after head->…
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Unscored —
netfs: Only call folio_start_fscache() one time for each folio
In the Linux kernel, the following vulnerability has been resolved: netfs: Only call folio_start_fscache() one time for each folio If a network filesystem using netfs implements a clamp_length() function, it can set subrequest lengths smaller than a page size…
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Unscored —
net/core: Fix ETH_P_1588 flow dissector
In the Linux kernel, the following vulnerability has been resolved: net/core: Fix ETH_P_1588 flow dissector When a PTP ethernet raw frame with a size of more than 256 bytes followed by a 0xff pattern is sent to __skb_flow_dissect, nhoff value calculation is w…
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Medium 6.3
netfilter: nf_tables: fix memleak when more than 255 elements expired
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix memleak when more than 255 elements expired When more than 255 elements expired we're supposed to switch to a new gc container structure. This never happens: u8 type…
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Unscored —
net: bridge: use DEV_STATS_INC()
In the Linux kernel, the following vulnerability has been resolved: net: bridge: use DEV_STATS_INC() syzbot/KCSAN reported data-races in br_handle_frame_finish() [1] This function can run from multiple cpus without mutual exclusion. Adopt SMP safe DEV_STATS_I…
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Medium 5.5
x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer()
In the Linux kernel, the following vulnerability has been resolved: x86/mm, kexec, ima: Use memblock_free_late() from ima_free_kexec_buffer() The code calling ima_free_kexec_buffer() runs long after the memblock allocator has already been torn down, potential…
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High 7.8
team: fix null-ptr-deref when team device type is changed
In the Linux kernel, the following vulnerability has been resolved: team: fix null-ptr-deref when team device type is changed Get a null-ptr-deref bug as follows with reproducer [1]. BUG: kernel NULL pointer dereference, address: 0000000000000228 ... RIP: 001…
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Unscored —
net: rds: Fix possible NULL-pointer dereference
In the Linux kernel, the following vulnerability has been resolved: net: rds: Fix possible NULL-pointer dereference In rds_rdma_cm_event_handler_cmn() check, if conn pointer exists before dereferencing it as rdma_set_service_type() argument Found by Linux Ver…
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High 7.8
cifs: Fix UAF in cifs_demultiplex_thread()
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix UAF in cifs_demultiplex_thread() There is a UAF when xfstests on cifs: BUG: KASAN: use-after-free in smb2_is_network_name_deleted+0x27/0x160 Read of size 4 at addr ffff88810103fc08 …
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Unscored —
btrfs: remove BUG() after failure to insert delayed dir index item
In the Linux kernel, the following vulnerability has been resolved: btrfs: remove BUG() after failure to insert delayed dir index item Instead of calling BUG() when we fail to insert a delayed dir index item into the delayed node's tree, we can just release a…
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Unscored —
serial: 8250_port: Check IRQ data before use
In the Linux kernel, the following vulnerability has been resolved: serial: 8250_port: Check IRQ data before use In case the leaf driver wants to use IRQ polling (irq = 0) and IIR register shows that an interrupt happened in the 8250 hardware the IRQ data can…
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Medium 5.5
nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()
In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential use after free in nilfs_gccache_submit_read_data() In nilfs_gccache_submit_read_data(), brelse(bh) is called to drop the reference count of bh when the call to nilfs_dat…
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Unscored —
Revert "tty: n_gsm: fix UAF in gsm_cleanup_mux"
In the Linux kernel, the following vulnerability has been resolved: Revert "tty: n_gsm: fix UAF in gsm_cleanup_mux" This reverts commit 9b9c8195f3f0d74a826077fc1c01b9ee74907239. The commit above is reverted as it did not solve the original issue. gsm_cleanup_…
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Unscored —
drm/meson: fix memory leak on ->hpd_notify callback
In the Linux kernel, the following vulnerability has been resolved: drm/meson: fix memory leak on ->hpd_notify callback The EDID returned by drm_bridge_get_edid() needs to be freed.
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Medium 5.5
arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved
In the Linux kernel, the following vulnerability has been resolved: arm64: dts: qcom: sdm845-db845c: Mark cont splash memory region as reserved Adding a reserved memory region for the framebuffer memory (the splash memory region set up by the bootloader). It …
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Unscored —
iommu/vt-d: Avoid memory allocation in iommu_suspend()
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid memory allocation in iommu_suspend() The iommu_suspend() syscore suspend callback is invoked with IRQ disabled. Allocating memory with the GFP_KERNEL flag may re-enable IRQs…
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Unscored —
net: mana: Fix TX CQE error handling
In the Linux kernel, the following vulnerability has been resolved: net: mana: Fix TX CQE error handling For an unknown TX CQE error type (probably from a newer hardware), still free the SKB, update the queue tail, etc., otherwise the accounting will be wrong…
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Unscored —
wifi: iwlwifi: mvm: Fix a memory corruption issue
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: Fix a memory corruption issue A few lines above, space is kzalloc()'ed for: sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof(struct ieee80211_rate) …
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Medium 6.0
HID: sony: Fix a potential memory leak in sony_probe()
In the Linux kernel, the following vulnerability has been resolved: HID: sony: Fix a potential memory leak in sony_probe() If an error occurs after a successful usb_alloc_urb() call, usb_free_urb() should be called.
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High 8.8
wifi: mac80211: fix potential key use-after-free
In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: fix potential key use-after-free When ieee80211_key_link() is called by ieee80211_gtk_rekey_add() but returns 0 due to KRACK protection (identical key reinstall), ieee80211_gt…
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Unscored —
net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg
In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg syzbot reported the following uninit-value access issue: ===================================================== BUG: KMSAN: u…
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Unscored —
ipv4, ipv6: Fix handling of transhdrlen in __ip{,6}_append_data()
In the Linux kernel, the following vulnerability has been resolved: ipv4, ipv6: Fix handling of transhdrlen in __ip{,6}_append_data() Including the transhdrlen in length is a problem when the packet is partially filled (e.g. something like send(MSG_MORE) happ…
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Unscored —
net: nfc: llcp: Add lock when modifying device list
In the Linux kernel, the following vulnerability has been resolved: net: nfc: llcp: Add lock when modifying device list The device list needs its associated lock held when modifying it, or the list could become corrupted, as syzbot discovered.
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High 7.8
bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets
In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Reject sk_msg egress redirects to non-TCP sockets With a SOCKMAP/SOCKHASH map and an sk_msg program user can steer messages sent from one TCP socket (s1) to actually egress from…
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High 8.8
net: fix possible store tearing in neigh_periodic_work()
In the Linux kernel, the following vulnerability has been resolved: net: fix possible store tearing in neigh_periodic_work() While looking at a related syzbot report involving neigh_periodic_work(), I found that I forgot to add an annotation when deleting an …
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Unscored —
platform/x86: think-lmi: Fix reference leak
In the Linux kernel, the following vulnerability has been resolved: platform/x86: think-lmi: Fix reference leak If a duplicate attribute is found using kset_find_obj(), a reference to that attribute is returned which needs to be disposed accordingly using kob…
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High 7.8
spi: sun6i: fix race between DMA RX transfer completion and RX FIFO drain
In the Linux kernel, the following vulnerability has been resolved: spi: sun6i: fix race between DMA RX transfer completion and RX FIFO drain Previously the transfer complete IRQ immediately drained to RX FIFO to read any data remaining in FIFO to the RX buff…
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Unscored —
HID: intel-ish-hid: ipc: Disable and reenable ACPI GPE bit
In the Linux kernel, the following vulnerability has been resolved: HID: intel-ish-hid: ipc: Disable and reenable ACPI GPE bit The EHL (Elkhart Lake) based platforms provide a OOB (Out of band) service, which allows to wakup device when the system is in S5 (S…
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Unscored —
dma-debug: don't call __dma_entry_alloc_check_leak() under free_entries_lock
In the Linux kernel, the following vulnerability has been resolved: dma-debug: don't call __dma_entry_alloc_check_leak() under free_entries_lock __dma_entry_alloc_check_leak() calls into printk -> serial console output (qcom geni) and grabs port->lock under f…