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ubuntucveUbuntu.comUB:CVE-2024-40956
HistoryJul 12, 2024 - 12:00 a.m.

CVE-2024-40956

2024-07-1200:00:00
ubuntu.com
ubuntu.com
2
linux kernel
dmaengine idxd
use-after-free

AI Score

6.9

Confidence

High

EPSS

0

Percentile

5.1%

In the Linux kernel, the following vulnerability has been resolved:
dmaengine: idxd: Fix possible Use-After-Free in irq_process_work_list
Use list_for_each_entry_safe() to allow iterating through the list and
deleting the entry in the iteration process. The descriptor is freed via
idxd_desc_complete() and there’s a slight chance may cause issue for
the list iterator when the descriptor is reused by another thread
without it being deleted from the list.

AI Score

6.9

Confidence

High

EPSS

0

Percentile

5.1%