CVE-2021-47124 io_uring: fix link timeout refs

In the Linux kernel, the following vulnerability has been resolved: iouring: fix link timeout refs WARNING: CPU: 0 PID: 10242 at lib/refcount.c:28 refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 RIP: 0010:refcountwarnsaturate+0x15b/0x1a0 lib/refcount.c:28 Call Trace: refcountsubandtest...

Null pointer dereference

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-2024-26615

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix illegal rmbdesc access in SMC-D connection dump A crash was found when dumping SMC-D connections. It can be reproduced by following steps: - run nginx/wrk test: smcrun nginx smcrun wrk -t 16 -c 1000 -d -H 'Connection...

CVE-2024-26626 ipmr: fix kernel panic when forwarding mcast packets

In the Linux kernel, the following vulnerability has been resolved: ipmr: fix kernel panic when forwarding mcast packets The stacktrace was: 86.305548 BUG: kernel NULL pointer dereference, address: 0000000000000092 86.306815 PF: supervisor read access in kernel mode 86.307717 PF: errorcode0x0000 ...

CVE-2021-47100

In the Linux kernel, the following vulnerability has been resolved: ipmi: Fix UAF when uninstall ipmisi and ipmimsghandler module Hi, When testing install and uninstall of ipmisi.ko and ipmimsghandler.ko, the system crashed. The log as follows: 141.087026 BUG: unable to handle kernel paging reque...

CVE-2021-47078

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Clear all QP fields if creation failed rxeqpdocleanup relies on valid pointer values in QP for the properly created ones, but in case rxeqpfrominit failed it was filled with garbage and caused tot the following error...

CVE-2021-47025

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Always enable the clk on resume In mtkiommuruntimeresume always enable the clk, even if m4udom is null. Otherwise the 'suspend' cb might disable the clk which is already disabled causing the warning: 1.586104...

CVE-2021-46992

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: avoid overflows in nfthashbuckets Number of buckets being stored in 32bit variables, we have to ensure that no overflows occur in nfthashbuckets syzbot injected a size == 0x40000000 and reported: UBSAN:...

CVE-2021-46976

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix crash in autoretire The retire logic uses the 2 lower bits of the pointer to the retire function to store flags. However, the autoretire function is not guaranteed to be aligned to a multiple of 4, which causes...

Null pointer dereference

In the Linux kernel, the following vulnerability has been resolved: nbd: Fix NULL pointer in flushworkqueue Open /dev/nbdX first, the configrefs will be 1 and the pointers in nbddevice are still null. Disconnect /dev/nbdX, then reference a null recvworkq. The protection by configrefs in...

CVE-2021-47025 iommu/mediatek: Always enable the clk on resume

In the Linux kernel, the following vulnerability has been resolved: iommu/mediatek: Always enable the clk on resume In mtkiommuruntimeresume always enable the clk, even if m4udom is null. Otherwise the 'suspend' cb might disable the clk which is already disabled causing the warning: 1.586104...

CVE-2021-47005 PCI: endpoint: Fix NULL pointer dereference for ->get_features()

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...

CVE-2021-47005 PCI: endpoint: Fix NULL pointer dereference for ->get_features()

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...

CVE-2021-46999 sctp: do asoc update earlier in sctp_sf_do_dupcook_a

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-2021-46980

In the Linux kernel, the following vulnerability has been resolved: usb: typec: ucsi: Retrieve all the PDOs instead of just the first 4 commit 4dbc6a4ef06d "usb: typec: ucsi: save power data objects in PD mode" introduced retrieval of the PDOs when connected to a PD-capable source. But only the...

CVE-2021-46976 drm/i915: Fix crash in auto_retire

In the Linux kernel, the following vulnerability has been resolved: drm/i915: Fix crash in autoretire The retire logic uses the 2 lower bits of the pointer to the retire function to store flags. However, the autoretire function is not guaranteed to be aligned to a multiple of 4, which causes...

CVE-2021-46930 usb: mtu3: fix list_head check warning

In the Linux kernel, the following vulnerability has been resolved: usb: mtu3: fix listhead check warning This is caused by uninitialization of listhead. BUG: KASAN: use-after-free in listdelentryvalid+0x34/0xe4 Call trace: dumpbacktrace+0x0/0x298 showstack+0x24/0x34 dumpstack+0x130/0x1a8...

CVE-2021-46914

In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix unbalanced device enable/disable in suspend/resume pcidisabledevice called in ixgbeshutdown decreases dev-enablecnt by 1. pcienabledevicemem which increases dev-enablecnt by 1, was removed from ixgberesume in commit...

Spoofing

In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix unbalanced device enable/disable in suspend/resume pcidisabledevice called in ixgbeshutdown decreases dev-enablecnt by 1. pcienabledevicemem which increases dev-enablecnt by 1, was removed from ixgberesume in commit...

CVE-2021-46914 ixgbe: fix unbalanced device enable/disable in suspend/resume

In the Linux kernel, the following vulnerability has been resolved: ixgbe: fix unbalanced device enable/disable in suspend/resume pcidisabledevice called in ixgbeshutdown decreases dev-enablecnt by 1. pcienabledevicemem which increases dev-enablecnt by 1, was removed from ixgberesume in commit...