CVE-2024-26611 xsk: fix usage of multi-buffer BPF helpers for ZC XDP

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

CVE-2024-26611 xsk: fix usage of multi-buffer BPF helpers for ZC XDP

In the Linux kernel, the following vulnerability has been resolved: xsk: fix usage of multi-buffer BPF helpers for ZC XDP Currently when packet is shrunk via bpfxdpadjusttail and memory type is set to MEMTYPEXSKBUFFPOOL, null ptr dereference happens: 1136314.192256 BUG: kernel NULL pointer...

CVE-2023-52498 PM: sleep: Fix possible deadlocks in core system-wide PM code

In the Linux kernel, the following vulnerability has been resolved: PM: sleep: Fix possible deadlocks in core system-wide PM code It is reported that in low-memory situations the system-wide resume core code deadlocks, because asyncscheduledev executes its argument function synchronously if it...

CVE-2024-26608 ksmbd: fix global oob in ksmbd_nl_policy

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix global oob in ksmbdnlpolicy Similar to a reported issue check the commit b33fb5b801c6 "net: qualcomm: rmnet: fix global oob in rmnetpolicy", my local fuzzer finds another global out-of-bounds read for policy...

CVE-2023-52487 net/mlx5e: Fix peer flow lists handling

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix peer flow lists handling The cited change refactored mlx5etcdelfdbpeerflow to only clear DUP flag when list of peer flows has become empty. However, if any concurrent user holds a reference to a peer flow for...

CVE-2023-52485

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Wake DMCUB before sending a command Why We can hang in place trying to send commands when the DMCUB isn't powered on. How For functions that execute within a DC context or DC lock we can wrap the direct calls to...

CVE-2021-46961

A flaw was found in the Linux kernel. Enabled irqs when handling spurious interrups may affect the availability...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: mt76: connac: fix kernel warning adding monitor interface Fix the following kernel warning adding a monitor interface in mt76connacmcuuniadddev routine. 507.984882 ------------ cut here ------------ 507.989515 WARNING: CPU: 1 PID...

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-2021-47043 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-2021-47024

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: free queued packets when closing socket As reported by syzbot 1, there is a memory leak while closing the socket. We partially solved this issue with commit ac03046ece2b "vsock/virtio: free packets during the socket...

CVE-2021-47019 mt76: mt7921: fix possible invalid register access

In the Linux kernel, the following vulnerability has been resolved: mt76: mt7921: fix possible invalid register access Disable the interrupt and synchronze for the pending irq handlers to ensure the irq tasklet is not being scheduled after the suspend to avoid the possible invalid register access...

CVE-2021-47010 net: Only allow init netns to set default tcp cong to a restricted algo

In the Linux kernel, the following vulnerability has been resolved: net: Only allow init netns to set default tcp cong to a restricted algo tcpsetdefaultcongestioncontrol is netns-safe in that it writes to &net-ipv4.tcpcongestioncontrol, but it also sets ca-flags |= TCPCONGNONRESTRICTED which is...

CVE-2021-47007 f2fs: fix panic during f2fs_resize_fs()

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix panic during f2fsresizefs f2fsresizefs hangs in below callstack with testcase: - mkfs 16GB image & mount image - dd 8GB fileA - dd 8GB fileB - sync - rm fileA - sync - resize filesystem to 8GB kernel BUG at...

CVE-2021-46995 can: mcp251xfd: mcp251xfd_probe(): fix an error pointer dereference in probe

In the Linux kernel, the following vulnerability has been resolved: can: mcp251xfd: mcp251xfdprobe: fix an error pointer dereference in probe When we converted this code to use deverrprobe we accidentally removed a return. It means that if devmclkget it will lead to an Oops when we call clkgetrat...

CVE-2021-46983 nvmet-rdma: Fix NULL deref when SEND is completed with error

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: Fix NULL deref when SEND is completed with error When running some traffic and taking down the link on peer, a retry counter exceeded error is received. This leads to nvmetrdmaerrorcomp which tried accessing the...

CVE-2021-46983 nvmet-rdma: Fix NULL deref when SEND is completed with error

In the Linux kernel, the following vulnerability has been resolved: nvmet-rdma: Fix NULL deref when SEND is completed with error When running some traffic and taking down the link on peer, a retry counter exceeded error is received. This leads to nvmetrdmaerrorcomp which tried accessing the...