CVE-2022-49069

In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix by adding FPU protection for dcn30internalvalidatebw Why Below general protection fault observed when WebGL Aquarium is run for longer duration. If drm debug logs are enabled and set to 0x1f then the issue is...

CVE-2022-49054

In the Linux kernel, the following vulnerability has been resolved: Drivers: hv: vmbus: Deactivate sysctlrecordpanicmsg by default in isolated guests hvpanicpage might contain guest-sensitive information, do not dump it over to Hyper-V by default in isolated guests. While at it, update some...

UBUNTU-CVE-2022-49195

In the Linux kernel, the following vulnerability has been resolved: net: dsa: fix panic on shutdown if multi-chip tree failed to probe DSA probing is atypical because a tree of devices must probe all at once, so out of N switches which call dsatreesetuproutingtable during probe, for N - 1 of them...

UBUNTU-CVE-2022-49122

In the Linux kernel, the following vulnerability has been resolved: dm ioctl: prevent potential spectre v1 gadget It appears like cmd could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via...

UBUNTU-CVE-2022-49134

In the Linux kernel, the following vulnerability has been resolved: mlxsw: spectrum: Guard against invalid local ports When processing events generated by the device's firmware, the driver protects itself from events reported for non-existent local ports, but not for the CPU port local port 0,...

CVE-2022-49640

The CVE-2022-49640 issue affects the Linux kernel’s sysctl path, specifically proc_douintvec_minmax(). A concurrent access to a sysctl variable led to potential data races; the fix patches the function to use READ_ONCE() and WRITE_ONCE() internally, addressing the data-race on the sysctl side. Th...

CVE-2022-49634 sysctl: Fix data-races in proc_dou8vec_minmax().

In the Linux kernel, the following vulnerability has been resolved: sysctl: Fix data-races in procdou8vecminmax. A sysctl variable is accessed concurrently, and there is always a chance of data-race. So, all readers and writers need some basic protection to avoid load/store-tearing. This patch...

CVE-2022-49578 ip: Fix data-races around sysctl_ip_prot_sock.

In the Linux kernel, the following vulnerability has been resolved: ip: Fix data-races around sysctlipprotsock. sysctlipprotsock is accessed concurrently, and there is always a chance of data-race. So, all readers and writers need some basic protection to avoid load/store-tearing...

CVE-2022-49456

CVE-2022-49456 concerns the Linux kernel bonding driver, where the function bond_ethtool_get_ts_info() could be invoked under a context that did not hold the RCU lock due to removing the rcu_read_lock, and the call path could occur via setsockopt. The provided documents describe the root cause as...

CVE-2022-49456 bonding: fix missed rcu protection

In the Linux kernel, the following vulnerability has been resolved: bonding: fix missed rcu protection When removing the rcureadlock in bondethtoolgettsinfo as discussed 1, I didn't notice it could be called via setsockopt, which doesn't hold rcu lock, as syzbot pointed: stack backtrace: CPU: 0...

CVE-2022-49456 bonding: fix missed rcu protection

In the Linux kernel, the following vulnerability has been resolved: bonding: fix missed rcu protection When removing the rcureadlock in bondethtoolgettsinfo as discussed 1, I didn't notice it could be called via setsockopt, which doesn't hold rcu lock, as syzbot pointed: stack backtrace: CPU: 0...

CVE-2022-49456

In the Linux kernel, the following vulnerability has been resolved: bonding: fix missed rcu protection When removing the rcureadlock in bondethtoolgettsinfo as discussed 1, I didn't notice it could be called via setsockopt, which doesn't hold rcu lock, as syzbot pointed: stack backtrace: CPU: 0...

CVE-2022-49328 mt76: fix use-after-free by removing a non-RCU wcid pointer

In the Linux kernel, the following vulnerability has been resolved: mt76: fix use-after-free by removing a non-RCU wcid pointer Fixes an issue caught by KASAN about use-after-free in mt76txqschedule by protecting mtxq-wcid with rculock between mt76txqschedule and stainfoalloc, free. 18853.876689...

CVE-2022-49313 drivers: usb: host: Fix deadlock in oxu_bus_suspend()

In the Linux kernel, the following vulnerability has been resolved: drivers: usb: host: Fix deadlock in oxubussuspend There is a deadlock in oxubussuspend, which is shown below: Thread 1 | Thread 2 | timeraction oxubussuspend | modtimer spinlockirq //1 | wait a time ... | oxuwatchdog deltimersync...

CVE-2022-49288

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 weird problem. This patch applies the...

CVE-2022-49288 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 weird problem. This patch applies the...

CVE-2022-49278

CVE-2022-49278: Linux kernel remoteproc vulnerability in rproc_coredump_write() where a count underflow was possible. The fix adds a count check for zero, mirroring the validation in rproc_recovery_write(), to prevent underflow. This is resolved in the kernel codebase; patch references are in the...

CVE-2022-49228 bpf: Fix a btf decl_tag bug when tagging a function

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a btf decltag bug when tagging a function syzbot reported a btf decltag bug with stack trace below: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 PREEMPT SMP KASAN KASAN:...

CVE-2022-49228

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a btf decltag bug when tagging a function syzbot reported a btf decltag bug with stack trace below: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 PREEMPT SMP KASAN KASAN:...

CVE-2022-49228 bpf: Fix a btf decl_tag bug when tagging a function

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a btf decltag bug when tagging a function syzbot reported a btf decltag bug with stack trace below: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 1 PREEMPT SMP KASAN KASAN:...