8,106 results · Feed
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Medium 5.5
net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register
In the Linux kernel, the following vulnerability has been resolved: net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register of_get_child_by_name() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anym…
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Unscored —
bpf, arm64: Clear prog->jited_len along prog->jited
In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Clear prog->jited_len along prog->jited syzbot reported an illegal copy_to_user() attempt from bpf_prog_get_info_by_fd() [1] There was no repro yet on this bug, but I think that c…
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High 7.1
ip_gre: test csum_start instead of transport header
In the Linux kernel, the following vulnerability has been resolved: ip_gre: test csum_start instead of transport header GRE with TUNNEL_CSUM will apply local checksum offload on CHECKSUM_PARTIAL packets. ipgre_xmit must validate csum_start after an optional s…
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Unscored —
net: ipv6: unexport __init-annotated seg6_hmac_init()
In the Linux kernel, the following vulnerability has been resolved: net: ipv6: unexport __init-annotated seg6_hmac_init() EXPORT_SYMBOL and __init is a bad combination because the .init.text section is freed up after the initialization. Hence, modules cannot …
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High 7.8
ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock
In the Linux kernel, the following vulnerability has been resolved: ocfs2: dlmfs: fix error handling of user_dlm_destroy_lock When user_dlm_destroy_lock failed, it didn't clean up the flags it set before exit. For USER_LOCK_IN_TEARDOWN, if this function fails…
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High 7.8
drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem
In the Linux kernel, the following vulnerability has been resolved: drm/etnaviv: check for reaped mapping in etnaviv_iommu_unmap_gem When the mapping is already reaped the unmap must be a no-op, as we would otherwise try to remove the mapping twice, corruptin…
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Medium 5.5
drm/amdgpu/cs: make commands with 0 chunks illegal behaviour.
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/cs: make commands with 0 chunks illegal behaviour. Submitting a cs with 0 chunks, causes an oops later, found trying to execute the wrong userspace driver. MESA_LOADER_DRIVER_OVERR…
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Medium 5.5
nfc: st21nfca: fix memory leaks in EVT_TRANSACTION handling
In the Linux kernel, the following vulnerability has been resolved: nfc: st21nfca: fix memory leaks in EVT_TRANSACTION handling Error paths do not free previously allocated memory. Add devm_kfree() to those failure paths.
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High 7.5
tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd
In the Linux kernel, the following vulnerability has been resolved: tcp: fix tcp_mtup_probe_success vs wrong snd_cwnd syzbot got a new report [1] finally pointing to a very old bug, added in initial support for MTU probing. tcp_mtu_probe() has checks about st…
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High 8.8
mt76: fix use-after-free by removing a non-RCU wcid pointer
In the Linux kernel, the following vulnerability has been resolved: mt76: fix use-after-free by removing a non-RCU wcid pointer Fixes an issue caught by KASAN about use-after-free in mt76_txq_schedule by protecting mtxq->wcid with rcu_lock between mt76_txq_sc…
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Medium 5.5
bcache: avoid journal no-space deadlock by reserving 1 journal bucket
In the Linux kernel, the following vulnerability has been resolved: bcache: avoid journal no-space deadlock by reserving 1 journal bucket The journal no-space deadlock was reported time to time. Such deadlock can happen in the following situation. When all jo…
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High 7.5
tcp: add accessors to read/set tp->snd_cwnd
In the Linux kernel, the following vulnerability has been resolved: tcp: add accessors to read/set tp->snd_cwnd We had various bugs over the years with code breaking the assumption that tp->snd_cwnd is greater than zero. Lately, syzbot reported the WARN_ON_ON…
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Medium 5.5
rtl818x: Prevent using not initialized queues
In the Linux kernel, the following vulnerability has been resolved: rtl818x: Prevent using not initialized queues Using not existing queues can panic the kernel with rtl8180/rtl8185 cards. Ignore the skb priority for those cards, they only have one tx queue. …
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Medium 5.5
iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe()
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu: fix possible null-ptr-deref in arm_smmu_device_probe() It will cause null-ptr-deref when using 'res', if platform_get_resource() returns NULL, so move using 'res' after devm_i…
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Medium 5.5
mips: cpc: Fix refcount leak in mips_cpc_default_phys_base
In the Linux kernel, the following vulnerability has been resolved: mips: cpc: Fix refcount leak in mips_cpc_default_phys_base Add the missing of_node_put() to release the refcount incremented by of_find_compatible_node().
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Medium 5.5
tracing: Fix sleeping function called from invalid context on RT kernel
In the Linux kernel, the following vulnerability has been resolved: tracing: Fix sleeping function called from invalid context on RT kernel When setting bootparams="trace_event=initcall:initcall_start tp_printk=1" in the cmdline, the output_printk() was calle…
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High 7.5
xprtrdma: treat all calls not a bcall when bc_serv is NULL
In the Linux kernel, the following vulnerability has been resolved: xprtrdma: treat all calls not a bcall when bc_serv is NULL When a rdma server returns a fault format reply, nfs v3 client may treats it as a bcall when bc service is not exist. The debug mess…
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Unscored —
dmaengine: zynqmp_dma: In struct zynqmp_dma_chan fix desc_size data type
In the Linux kernel, the following vulnerability has been resolved: dmaengine: zynqmp_dma: In struct zynqmp_dma_chan fix desc_size data type In zynqmp_dma_alloc/free_chan_resources functions there is a potential overflow in the below expressions. dma_alloc_co…
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Medium 5.5
iommu/arm-smmu-v3: check return value after calling platform_get_resource()
In the Linux kernel, the following vulnerability has been resolved: iommu/arm-smmu-v3: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
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Medium 5.5
f2fs: remove WARN_ON in f2fs_is_valid_blkaddr
In the Linux kernel, the following vulnerability has been resolved: f2fs: remove WARN_ON in f2fs_is_valid_blkaddr Syzbot triggers two WARNs in f2fs_is_valid_blkaddr and __is_bitmap_valid. For example, in f2fs_is_valid_blkaddr, if type is DATA_GENERIC_ENHANCE …
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Medium 5.5
f2fs: avoid infinite loop to flush node pages
In the Linux kernel, the following vulnerability has been resolved: f2fs: avoid infinite loop to flush node pages xfstests/generic/475 can give EIO all the time which give an infinite loop to flush node page like below. Let's avoid it. [16418.518551] Call Tra…
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Medium 5.5
drivers: staging: rtl8192e: Fix deadlock in rtllib_beacons_stop()
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192e: Fix deadlock in rtllib_beacons_stop() There is a deadlock in rtllib_beacons_stop(), which is shown below: (Thread 1) | (Thread 2) | rtllib_send_beacon() rtllib_bea…
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Medium 5.5
NFSv4: Don't hold the layoutget locks across multiple RPC calls
In the Linux kernel, the following vulnerability has been resolved: NFSv4: Don't hold the layoutget locks across multiple RPC calls When doing layoutget as part of the open() compound, we have to be careful to release the layout locks before we can call any f…
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Medium 5.5
tty: Fix a possible resource leak in icom_probe
In the Linux kernel, the following vulnerability has been resolved: tty: Fix a possible resource leak in icom_probe When pci_read_config_dword failed, call pci_release_regions() and pci_disable_device() to recycle the resource previously allocated.
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Medium 5.5
drivers: usb: host: Fix deadlock in oxu_bus_suspend()
In the Linux kernel, the following vulnerability has been resolved: drivers: usb: host: Fix deadlock in oxu_bus_suspend() There is a deadlock in oxu_bus_suspend(), which is shown below: (Thread 1) | (Thread 2) | timer_action() oxu_bus_suspend() | mod_timer() …
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Medium 5.5
drivers: staging: rtl8192bs: Fix deadlock in rtw_joinbss_event_prehandle()
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192bs: Fix deadlock in rtw_joinbss_event_prehandle() There is a deadlock in rtw_joinbss_event_prehandle(), which is shown below: (Thread 1) | (Thread 2) | _set_timer() r…
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Medium 5.5
staging: rtl8712: fix a potential memory leak in r871xu_drv_init()
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix a potential memory leak in r871xu_drv_init() In r871xu_drv_init(), if r8712_init_drv_sw() fails, then the memory allocated by r8712_alloc_io_queue() in r8712_usb_dvobj_i…
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Medium 5.5
tty: synclink_gt: Fix null-pointer-dereference in slgt_clean()
In the Linux kernel, the following vulnerability has been resolved: tty: synclink_gt: Fix null-pointer-dereference in slgt_clean() When the driver fails at alloc_hdlcdev(), and then we remove the driver module, we will get the following splat: [ 25.065966] ge…
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Unscored —
extcon: Modify extcon device to be created after driver data is set
In the Linux kernel, the following vulnerability has been resolved: extcon: Modify extcon device to be created after driver data is set Currently, someone can invoke the sysfs such as state_show() intermittently before dev_set_drvdata() is done. And it can be…
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Medium 5.5
drivers: staging: rtl8192u: Fix deadlock in ieee80211_beacons_stop()
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192u: Fix deadlock in ieee80211_beacons_stop() There is a deadlock in ieee80211_beacons_stop(), which is shown below: (Thread 1) | (Thread 2) | ieee80211_send_beacon() i…
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Medium 5.5
drivers: tty: serial: Fix deadlock in sa1100_set_termios()
In the Linux kernel, the following vulnerability has been resolved: drivers: tty: serial: Fix deadlock in sa1100_set_termios() There is a deadlock in sa1100_set_termios(), which is shown below: (Thread 1) | (Thread 2) | sa1100_enable_ms() sa1100_set_termios()…
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Medium 5.5
USB: host: isp116x: check return value after calling platform_get_resource()
In the Linux kernel, the following vulnerability has been resolved: USB: host: isp116x: check return value after calling platform_get_resource() It will cause null-ptr-deref if platform_get_resource() returns NULL, we need check the return value.
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Medium 5.5
staging: rtl8712: fix uninit-value in usb_read8() and friends
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix uninit-value in usb_read8() and friends When r8712_usbctrl_vendorreq() returns negative, 'data' in usb_read{8,16,32} will not be initialized. BUG: KMSAN: uninit-value in…
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Medium 4.7
nbd: fix race between nbd_alloc_config() and module removal
In the Linux kernel, the following vulnerability has been resolved: nbd: fix race between nbd_alloc_config() and module removal When nbd module is being removing, nbd_alloc_config() may be called concurrently by nbd_genl_connect(), although try_module_get() w…
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Unscored —
drm/plane: Move range check for format_count earlier
In the Linux kernel, the following vulnerability has been resolved: drm/plane: Move range check for format_count earlier While the check for format_count > 64 in __drm_universal_plane_init() shouldn't be hit (it's a WARN_ON), in its current position it will t…
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Medium 5.5
staging: rtl8712: fix uninit-value in r871xu_drv_init()
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8712: fix uninit-value in r871xu_drv_init() When 'tmpU1b' returns from r8712_read8(padapter, EE_9346CR) is 0, 'mac[6]' will not be initialized. BUG: KMSAN: uninit-value in r871xu_…
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Unscored —
nbd: fix io hung while disconnecting device
In the Linux kernel, the following vulnerability has been resolved: nbd: fix io hung while disconnecting device In our tests, "qemu-nbd" triggers a io hung: INFO: task qemu-nbd:11445 blocked for more than 368 seconds. Not tainted 5.18.0-rc3-next-20220422-0000…
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High 7.0
nbd: call genl_unregister_family() first in nbd_cleanup()
In the Linux kernel, the following vulnerability has been resolved: nbd: call genl_unregister_family() first in nbd_cleanup() Otherwise there may be race between module removal and the handling of netlink command, which can lead to the oops as shown below: BU…
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Unscored —
netfilter: nf_tables: initialize registers in nft_do_chain()
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: initialize registers in nft_do_chain() Initialize registers to avoid stack leak into userspace.
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High 7.8
ALSA: oss: Fix PCM OSS buffer allocation overflow
In the Linux kernel, the following vulnerability has been resolved: ALSA: oss: Fix PCM OSS buffer allocation overflow We've got syzbot reports hitting INT_MAX overflow at vmalloc() allocation that is called from snd_pcm_plug_alloc(). Although we apply the res…