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Attacker Value
Unknown
CVE-2024-46838
Disclosure Date: September 27, 2024 (last updated October 10, 2024)
In the Linux kernel, the following vulnerability has been resolved:
userfaultfd: don't BUG_ON() if khugepaged yanks our page table
Since khugepaged was changed to allow retracting page tables in file
mappings without holding the mmap lock, these BUG_ON()s are wrong - get
rid of them.
We could also remove the preceding "if (unlikely(...))" block, but then we
could reach pte_offset_map_lock() with transhuge pages not just for file
mappings but also for anonymous mappings - which would probably be fine
but I think is not necessarily expected.
0
Attacker Value
Unknown
CVE-2024-46837
Disclosure Date: September 27, 2024 (last updated October 10, 2024)
In the Linux kernel, the following vulnerability has been resolved:
drm/panthor: Restrict high priorities on group_create
We were allowing any users to create a high priority group without any
permission checks. As a result, this was allowing possible denial of
service.
We now only allow the DRM master or users with the CAP_SYS_NICE
capability to set higher priorities than PANTHOR_GROUP_PRIORITY_MEDIUM.
As the sole user of that uAPI lives in Mesa and hardcode a value of
MEDIUM [1], this should be safe to do.
Additionally, as those checks are performed at the ioctl level,
panthor_group_create now only check for priority level validity.
[1]https://gitlab.freedesktop.org/mesa/mesa/-/blob/f390835074bdf162a63deb0311d1a6de527f9f89/src/gallium/drivers/panfrost/pan_csf.c#L1038
0
Attacker Value
Unknown
CVE-2024-46836
Disclosure Date: September 27, 2024 (last updated October 10, 2024)
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: aspeed_udc: validate endpoint index for ast udc
We should verify the bound of the array to assure that host
may not manipulate the index to point past endpoint array.
Found by static analysis.
0
Attacker Value
Unknown
CVE-2024-46835
Disclosure Date: September 27, 2024 (last updated October 03, 2024)
In the Linux kernel, the following vulnerability has been resolved:
drm/amdgpu: Fix smatch static checker warning
adev->gfx.imu.funcs could be NULL
0
Attacker Value
Unknown
CVE-2024-46834
Disclosure Date: September 27, 2024 (last updated October 10, 2024)
In the Linux kernel, the following vulnerability has been resolved:
ethtool: fail closed if we can't get max channel used in indirection tables
Commit 0d1b7d6c9274 ("bnxt: fix crashes when reducing ring count with
active RSS contexts") proves that allowing indirection table to contain
channels with out of bounds IDs may lead to crashes. Currently the
max channel check in the core gets skipped if driver can't fetch
the indirection table or when we can't allocate memory.
Both of those conditions should be extremely rare but if they do
happen we should try to be safe and fail the channel change.
0
Attacker Value
Unknown
CVE-2024-46833
Disclosure Date: September 27, 2024 (last updated October 10, 2024)
In the Linux kernel, the following vulnerability has been resolved:
net: hns3: void array out of bound when loop tnl_num
When query reg inf of SSU, it loops tnl_num times. However, tnl_num comes
from hardware and the length of array is a fixed value. To void array out
of bound, make sure the loop time is not greater than the length of array
0
Attacker Value
Unknown
CVE-2024-46832
Disclosure Date: September 27, 2024 (last updated October 10, 2024)
In the Linux kernel, the following vulnerability has been resolved:
MIPS: cevt-r4k: Don't call get_c0_compare_int if timer irq is installed
This avoids warning:
[ 0.118053] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:283
Caused by get_c0_compare_int on secondary CPU.
We also skipped saving IRQ number to struct clock_event_device *cd as
it's never used by clockevent core, as per comments it's only meant
for "non CPU local devices".
0
Attacker Value
Unknown
CVE-2024-46831
Disclosure Date: September 27, 2024 (last updated October 03, 2024)
In the Linux kernel, the following vulnerability has been resolved:
net: microchip: vcap: Fix use-after-free error in kunit test
This is a clear use-after-free error. We remove it, and rely on checking
the return code of vcap_del_rule.
0
Attacker Value
Unknown
CVE-2024-46830
Disclosure Date: September 27, 2024 (last updated September 28, 2024)
In the Linux kernel, the following vulnerability has been resolved:
KVM: x86: Acquire kvm->srcu when handling KVM_SET_VCPU_EVENTS
Grab kvm->srcu when processing KVM_SET_VCPU_EVENTS, as KVM will forcibly
leave nested VMX/SVM if SMM mode is being toggled, and leaving nested VMX
reads guest memory.
Note, kvm_vcpu_ioctl_x86_set_vcpu_events() can also be called from KVM_RUN
via sync_regs(), which already holds SRCU. I.e. trying to precisely use
kvm_vcpu_srcu_read_lock() around the problematic SMM code would cause
problems. Acquiring SRCU isn't all that expensive, so for simplicity,
grab it unconditionally for KVM_SET_VCPU_EVENTS.
=============================
WARNING: suspicious RCU usage
6.10.0-rc7-332d2c1d713e-next-vm #552 Not tainted
-----------------------------
include/linux/kvm_host.h:1027 suspicious rcu_dereference_check() usage!
other info that might help us debug this:
rcu_scheduler_active = 2, debug_locks = 1
1 lock held by repro/1071:
#0: ffff88811e424430 (&vcp…
0
Attacker Value
Unknown
CVE-2024-46829
Disclosure Date: September 27, 2024 (last updated October 03, 2024)
In the Linux kernel, the following vulnerability has been resolved:
rtmutex: Drop rt_mutex::wait_lock before scheduling
rt_mutex_handle_deadlock() is called with rt_mutex::wait_lock held. In the
good case it returns with the lock held and in the deadlock case it emits a
warning and goes into an endless scheduling loop with the lock held, which
triggers the 'scheduling in atomic' warning.
Unlock rt_mutex::wait_lock in the dead lock case before issuing the warning
and dropping into the schedule for ever loop.
[ tglx: Moved unlock before the WARN(), removed the pointless comment,
massaged changelog, added Fixes tag ]
0