Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix null pointer dereference in lpfcprepelsiocb It is possible to call lpfcissueelsplogi passing a did for which no matching ndlp is found. A call is then made to lpfcprepelsiocb with a null pointer to a lpfcnodelist...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in vmbusopen The "openinfo" variable is added to the &vmbusconnection.chnmsglist, but the error handling frees "openinfo" without removing it from the list. This will result in a use after free...

CVE-2021-47005

In the Linux kernel, the following vulnerability has been resolved: PCI: endpoint: Fix NULL pointer dereference for -getfeatures getfeatures ops of pciepcops may return NULL, causing NULL pointer dereference in pciepftestallocspace function. Let us add a check for pciepcfeature pointer in...

Design/Logic Flaw

In the Linux kernel, the following vulnerability has been resolved: iouring: fix overflows checks in provide buffers Colin reported before possible overflow and sign extension problems in ioprovidebuffersprep. As Linus pointed out previous attempt did nothing useful, see d81269fecb8ce "iouring: f...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix a use after free in siwallocmr Our code analyzer reported a UAF. In siwallocmr, it calls siwmraddmemmr,... In the implementation of siwmraddmem, mem is assigned to mr-mem and then mem is freed via kfreemem if...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: ethernet:enic: Fix a use after free bug in enichardstartxmit In enichardstartxmit, it calls enicqueuewqskb. Inside enicqueuewqskb, if some error happens, the skb will be freed by devkfreeskbskb. But the freed skb is still used in...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid touching checkpointed data in getvictim In CP disabling mode, there are two issues when using LFS or SSR | ATSSR mode to select victim: 1. LFS is set to find source section during GC, the victim should have no...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix memleak when mt7615unregisterdevice mt7615txtokenput should get call before mt76freependingtxwi...

CVE-2021-47018

In the Linux kernel, the following vulnerability has been resolved: powerpc/64: Fix the definition of the fixmap area At the time being, the fixmap area is defined at the top of the address space or just below KASAN. This definition is not valid for PPC64. For PPC64, use the top of the I/O space...

CVE-2021-46999

In the Linux kernel, the following vulnerability has been resolved: sctp: do asoc update earlier in sctpsfdodupcooka There's a panic that occurs in a few of envs, the call trace is as below: general protection fault, ... 0x29acd70f1000a: 0000 1 SMP PTI RIP:...

CVE-2021-47051

In the Linux kernel, the following vulnerability has been resolved: spi: fsl-lpspi: Fix PM reference leak in lpspipreparexferhardware pmruntimegetsync will increment pm usage counter even it failed. Forgetting to putting operation will result in reference leak here. Fix it by replacing it with...

CVE-2021-47049 Drivers: hv: vmbus: Use after free in __vmbus_open()

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Use after free in vmbusopen The "openinfo" variable is added to the &vmbusconnection.chnmsglist, but the error handling frees "openinfo" without removing it from the list. This will result in a use after free...

CVE-2021-47050 memory: renesas-rpc-if: fix possible NULL pointer dereference of resource

In the Linux kernel, the following vulnerability has been resolved: memory: renesas-rpc-if: fix possible NULL pointer dereference of resource The platformgetresourcebyname can return NULL which would be immediately dereferenced by resourcesize. Instead dereference it after validating the resource...

CVE-2021-47046

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix off by one in hdmi14processtransaction The hdcpi2coffsets array did not have an entry for HDCPMESSAGEIDWRITECONTENTSTREAMTYPE so it led to an off by one read overflow. I added an entry and copied the 0x0 valu...

CVE-2021-47044 sched/fair: Fix shift-out-of-bounds in load_balance()

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Fix shift-out-of-bounds in loadbalance Syzbot reported a handful of occurrences where an sd-nrbalancefailed can grow to much higher values than one would expect. A successful loadbalance resets it to 0; a failed one...

CVE-2021-47045

In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix null pointer dereference in lpfcprepelsiocb It is possible to call lpfcissueelsplogi passing a did for which no matching ndlp is found. A call is then made to lpfcprepelsiocb with a null pointer to a lpfcnodelist...

CVE-2021-47043 media: venus: core: Fix some resource leaks in the error path of 'venus_probe()'

In the Linux kernel, the following vulnerability has been resolved: media: venus: core: Fix some resource leaks in the error path of 'venusprobe' If an error occurs after a successful 'oficcget' call, it must be undone. Use 'devmoficcget' instead of 'oficcget' to avoid the leak. Update the remove...

CVE-2021-47042

CVE-2021-47042: Linux kernel drm/amd/display fixes a memory leak in dc_link_construct() by freeing local data after use. The description includes stack backtrace and memory object details; no connected documents with exploit specifics are provided, monitor for updates and apply upstream fix when ...

CVE-2021-47042 drm/amd/display: Free local data after use

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Free local data after use Fixes the following memory leak in dclinkconstruct: unreferenced object 0xffffa03e81471400 size 1024: comm "amdmoduleload", pid 2486, jiffies 4294946026 age 10.544s hex dump first 32...

CVE-2021-47030 mt76: mt7615: fix memory leak in mt7615_coredump_work

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7615: fix memory leak in mt7615coredumpwork Similar to the issue fixed in mt7921coredumpwork, fix a possible memory leak in mt7615coredumpwork routine...