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PRIOn knowledge basePRION:CVE-2023-4244HistorySep 06, 2023 - 2:15 p.m.
Race condition
2023-09-0614:15:00
PRIOn knowledge base
www.prio-n.com
7
race condition
use-after-free
vulnerability
netfilter
local privilege escalation
linux kernel
nf_tables
reference counter
garbage collection
upgrade technique
nvd
A use-after-free vulnerability in the Linux kernel’s netfilter: nf_tables component can be exploited to achieve local privilege escalation.
Due to a race condition between nf_tables netlink control plane transaction and nft_set element garbage collection, it is possible to underflow the reference counter causing a use-after-free vulnerability.
We recommend upgrading past commit 3e91b0ebd994635df2346353322ac51ce84ce6d8.
| CPE | Name | Operator | Version |
|---|---|---|---|
| debian_linux | eq | 10.0 | |
| linux_kernel | lt | 6.5 |
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