12,260 results · Feed
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Medium 5.5
char: xillybus: fix a refcount leak in cleanup_dev()
In the Linux kernel, the following vulnerability has been resolved: char: xillybus: fix a refcount leak in cleanup_dev() usb_get_dev is called in xillyusb_probe. So it is better to call usb_put_dev before xdev is released.
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Unscored —
drivers: staging: rtl8723bs: Fix deadlock in rtw_surveydone_event_callback()
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8723bs: Fix deadlock in rtw_surveydone_event_callback() There is a deadlock in rtw_surveydone_event_callback(), which is shown below: (Thread 1) | (Thread 2) | _set_timer…
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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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Unscored —
usb: dwc3: host: Stop setting the ACPI companion
In the Linux kernel, the following vulnerability has been resolved: usb: dwc3: host: Stop setting the ACPI companion It is no longer needed. The sysdev pointer is now used when assigning the ACPI companions to the xHCI ports and USB devices. Assigning the ACP…
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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
drivers: staging: rtl8192eu: Fix deadlock in rtw_joinbss_event_prehandle
In the Linux kernel, the following vulnerability has been resolved: drivers: staging: rtl8192eu: 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() rtw…
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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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Medium 5.5
fs/ntfs3: Fix some memory leaks in an error handling path of 'log_replay()'
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Fix some memory leaks in an error handling path of 'log_replay()' All error handling paths lead to 'out' where many resources are freed. Do it as well here instead of a direct retur…
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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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Medium 5.5
drm/amd/display: Check if modulo is 0 before dividing.
In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Check if modulo is 0 before dividing. [How & Why] If a value of 0 is read, then this will cause a divide-by-0 panic.
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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 —
drm/amd/pm: fix a potential gpu_metrics_table memory leak
In the Linux kernel, the following vulnerability has been resolved: drm/amd/pm: fix a potential gpu_metrics_table memory leak Memory is allocated for gpu_metrics_table in renoir_init_smc_tables(), but not freed in int smu_v12_0_fini_smc_tables(). Free it!
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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…
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High 7.8
mac80211: fix potential double free on mesh join
In the Linux kernel, the following vulnerability has been resolved: mac80211: fix potential double free on mesh join While commit 6a01afcf8468 ("mac80211: mesh: Free ie data when leaving mesh") fixed a memory leak on mesh leave / teardown it introduced a pote…
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High 7.8
uaccess: fix integer overflow on access_ok()
In the Linux kernel, the following vulnerability has been resolved: uaccess: fix integer overflow on access_ok() Three architectures check the end of a user access against the address limit without taking a possible overflow into account. Passing a negative l…
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High 7.8
ALSA: pcm: Fix races among concurrent hw_params and hw_free calls
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent hw_params and hw_free calls Currently we have neither proper check nor protection against the concurrent calls of PCM hw_params and hw_free ioctls, which…
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High 7.8
ALSA: pcm: Fix races among concurrent prealloc proc writes
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Fix races among concurrent prealloc proc writes We have no protection against concurrent PCM buffer preallocation changes via proc files, and it may potentially lead to UAF or some…
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High 7.0
tpm: fix reference counting for struct tpm_chip
In the Linux kernel, the following vulnerability has been resolved: tpm: fix reference counting for struct tpm_chip The following sequence of operations results in a refcount warning: 1. Open device /dev/tpmrm. 2. Remove module tpm_tis_spi. 3. Write a TPM com…
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Unscored —
iio: accel: mma8452: use the correct logic to get mma8452_data
In the Linux kernel, the following vulnerability has been resolved: iio: accel: mma8452: use the correct logic to get mma8452_data The original logic to get mma8452_data is wrong, the *dev point to the device belong to iio_dev. we can't use this dev to find t…
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Unscored —
tpm: use try_get_ops() in tpm-space.c
In the Linux kernel, the following vulnerability has been resolved: tpm: use try_get_ops() in tpm-space.c As part of the series conversion to remove nested TPM operations: https://lore.kernel.org/all/20190205224723.19671-1-jarkko.sakkinen@linux.intel.com/ exp…
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Medium 5.5
coresight: syscfg: Fix memleak on registration failure in cscfg_create_device
In the Linux kernel, the following vulnerability has been resolved: coresight: syscfg: Fix memleak on registration failure in cscfg_create_device device_register() calls device_initialize(), according to doc of device_initialize: Use put_device() to give up y…
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Unscored —
firmware: sysfb: fix platform-device leak in error path
In the Linux kernel, the following vulnerability has been resolved: firmware: sysfb: fix platform-device leak in error path Make sure to free the platform device also in the unlikely event that registration fails.
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Unscored —
cifs: fix handlecache and multiuser
In the Linux kernel, the following vulnerability has been resolved: cifs: fix handlecache and multiuser In multiuser each individual user has their own tcon structure for the share and thus their own handle for a cached directory. When we umount such a share …
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Medium 5.5
f2fs: quota: fix loop condition at f2fs_quota_sync()
In the Linux kernel, the following vulnerability has been resolved: f2fs: quota: fix loop condition at f2fs_quota_sync() cnt should be passed to sb_has_quota_active() instead of type to check active quota properly. Moreover, when the type is -1, the compiler …
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Critical 9.8
NFSD: prevent underflow in nfssvc_decode_writeargs()
In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent underflow in nfssvc_decode_writeargs() Smatch complains: fs/nfsd/nfsxdr.c:341 nfssvc_decode_writeargs() warn: no lower bound on 'args->len' Change the type to unsigned to preven…
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High 8.2
NFSD: prevent integer overflow on 32 bit systems
In the Linux kernel, the following vulnerability has been resolved: NFSD: prevent integer overflow on 32 bit systems On a 32 bit system, the "len * sizeof(*p)" operation can have an integer overflow.
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Medium 5.5
jffs2: fix memory leak in jffs2_do_mount_fs
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_do_mount_fs If jffs2_build_filesystem() in jffs2_do_mount_fs() returns an error, we can observe the following kmemleak report: --------------------------------…
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Unscored —
remoteproc: Fix count check in rproc_coredump_write()
In the Linux kernel, the following vulnerability has been resolved: remoteproc: Fix count check in rproc_coredump_write() Check count for 0, to avoid a potential underflow. Make the check the same as the one in rproc_recovery_write().
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Medium 5.5
jffs2: fix memory leak in jffs2_scan_medium
In the Linux kernel, the following vulnerability has been resolved: jffs2: fix memory leak in jffs2_scan_medium If an error is returned in jffs2_scan_eraseblock() and some memory has been added to the jffs2_summary *s, we can observe the following kmemleak re…
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High 7.8
can: m_can: m_can_tx_handler(): fix use after free of skb
In the Linux kernel, the following vulnerability has been resolved: can: m_can: m_can_tx_handler(): fix use after free of skb can_put_echo_skb() will clone skb then free the skb. Move the can_put_echo_skb() for the m_can version 3.0.x directly before the star…
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High 7.8
ocfs2: fix crash when mount with quota enabled
In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix crash when mount with quota enabled There is a reported crash when mounting ocfs2 with quota enabled. RIP: 0010:ocfs2_qinfo_lock_res_init+0x44/0x50 [ocfs2] Call Trace: ocfs2_local_…
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Medium 5.5
rtc: pl031: fix rtc features null pointer dereference
In the Linux kernel, the following vulnerability has been resolved: rtc: pl031: fix rtc features null pointer dereference When there is no interrupt line, rtc alarm feature is disabled. The clearing of the alarm feature bit was being done prior to allocations…
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Unscored —
cifs: prevent bad output lengths in smb2_ioctl_query_info()
In the Linux kernel, the following vulnerability has been resolved: cifs: prevent bad output lengths in smb2_ioctl_query_info() When calling smb2_ioctl_query_info() with smb_query_info::flags=PASSTHRU_FSCTL and smb_query_info::output_buffer_length=0, the foll…