CVE-2021-47166

In the Linux kernel, the following vulnerability has been resolved: NFS: Don't corrupt the value of pgbyteswritten in nfsdorecoalesce The value of mirror-pgbyteswritten should only be updated after a successful attempt to flush out the requests on the list...

CVE-2021-47177

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Fix sysfs leak in allociommu iommudevicesysfsadd is called before, so is has to be cleaned on subsequent errors...

CVE-2021-47176 s390/dasd: add missing discipline function

In the Linux kernel, the following vulnerability has been resolved: s390/dasd: add missing discipline function Fix crash with illegal operation exception in dasddevicetasklet. Commit b72949328869 "s390/dasd: Prepare for additional path event handling" renamed the verifypath function for ECKD but...

CVE-2021-47171

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xxbind Syzbot reported memory leak in smsc75xxbind. The problem was is non-freed memory in case of errors after memory allocation. backtrace: kmalloc include/linux/slab.h:556 inline kzalloc...

CVE-2021-47170

CVE-2021-47170 (Linux kernel) is described in the initial document as a benign user‑request issue where usbfs would emit a WARN when a user submits an excessively large memory allocation for bulk transfers. The vulnerability is not a flaw in kernel logic, but a misinterpretation of invalid reques...

CVE-2021-47171 net: usb: fix memory leak in smsc75xx_bind

In the Linux kernel, the following vulnerability has been resolved: net: usb: fix memory leak in smsc75xxbind Syzbot reported memory leak in smsc75xxbind. The problem was is non-freed memory in case of errors after memory allocation. backtrace: kmalloc include/linux/slab.h:556 inline kzalloc...

CVE-2021-47169 serial: rp2: use 'request_firmware' instead of 'request_firmware_nowait'

In the Linux kernel, the following vulnerability has been resolved: serial: rp2: use 'requestfirmware' instead of 'requestfirmwarenowait' In 'rp2probe', the driver registers 'rp2uartinterrupt' then calls 'rp2fwcb' through 'requestfirmwarenowait'. In 'rp2fwcb', if the firmware don't exists, functi...

CVE-2021-47167 NFS: Fix an Oopsable condition in __nfs_pageio_add_request()

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix an Oopsable condition in nfspageioaddrequest Ensure that nfspageioerrorcleanup resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also change the test in nfspageiodoaddrequest...

CVE-2021-47165 drm/meson: fix shutdown crash when component not probed

In the Linux kernel, the following vulnerability has been resolved: drm/meson: fix shutdown crash when component not probed When main component is not probed, by example when the dw-hdmi module is not loaded yet or in probe defer, the following crash appears on shutdown: Unable to handle kernel...

CVE-2021-47163

In the Linux kernel, the following vulnerability has been resolved: tipc: wait and exit until all work queues are done On some host, a crash could be triggered simply by repeating these commands several times: modprobe tipc tipc bearer enable media udp name UDP1 localip 127.0.0.1 rmmod tipc BUG:...

CVE-2021-47160 net: dsa: mt7530: fix VLAN traffic leaks

In the Linux kernel, the following vulnerability has been resolved: net: dsa: mt7530: fix VLAN traffic leaks PCRMATRIX field was set to all 1's when VLAN filtering is enabled, but was not reset when it is disabled, which may cause traffic leaks: ip link add br0 type bridge vlanfiltering 1 ip link...

CVE-2021-47147

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Fix a resource leak in an error handling path If an error occurs after a successful 'pciioremapbar' call, it must be undone by a corresponding 'pciiounmap' call, as already done in the remove function...

CVE-2021-47140

In the Linux kernel, the following vulnerability has been resolved: iommu/amd: Clear DMA ops when switching domain Since commit 08a27c1c3ecf "iommu: Add support to change default domain of an iommu group" a user can switch a device between IOMMU and direct DMA through sysfs. This doesn't work for...

CVE-2021-47147 ptp: ocp: Fix a resource leak in an error handling path

In the Linux kernel, the following vulnerability has been resolved: ptp: ocp: Fix a resource leak in an error handling path If an error occurs after a successful 'pciioremapbar' call, it must be undone by a corresponding 'pciiounmap' call, as already done in the remove function...

CVE-2021-47146 mld: fix panic in mld_newpack()

In the Linux kernel, the following vulnerability has been resolved: mld: fix panic in mldnewpack mldnewpack doesn't allow to allocate high order page, only order-0 allocation is allowed. If headroom size is too large, a kernel panic could occur in skbput. Test commands: ip netns del A ip netns de...

CVE-2021-47145

CVE-2021-47145 affects the Linux kernel (btrfs) where a BUG_ON in link_to_fixup_dir can trigger a kernel panic during error paths in log recovery. The description shows a replay/recover flow (replay_one_buffer, btrfs_recover_log_trees, open_ctree) panicking with an invalid opcode in fs/btrfs/tree...

CVE-2021-47144

Removed by vendor...

CVE-2021-47143 net/smc: remove device from smcd_dev_list after failed device_add()

In the Linux kernel, the following vulnerability has been resolved: net/smc: remove device from smcddevlist after failed deviceadd If the deviceadd for a smcddev fails, there's no cleanup step that rolls back the earlier listadd. The device subsequently gets freed, and we end up with a corrupted...

CVE-2021-47144

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CVE-2021-47143

CVE-2021-47143 affects the Linux kernel net/smc subsystem. The root cause was missing cleanup when a smcd_dev device_add() failed, leaving the device in smcd_dev_list and later freeing it, causing a corrupted list. The fix adds error handling to remove the device from the list on device_add() fai...