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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-4881
HistorySep 11, 2023 - 5:15 p.m.

CVE-2023-4881

2023-09-1117:15:00
Debian Security Bug Tracker
security-tracker.debian.org
7
linux
kernel
flaw
out-of-bounds
write
netfilter
subsystem
stack
corruption
information disclosure
denial of service
cve-2023-4881
unix

0.0004 Low

EPSS

Percentile

9.1%

A stack based out-of-bounds write flaw was found in the netfilter subsystem in the Linux kernel. If the expression length is a multiple of 4 (register size), the nft_exthdr_eval family of functions writes 4 NULL bytes past the end of the regs argument, leading to stack corruption and potential information disclosure or a denial of service.

0.0004 Low

EPSS

Percentile

9.1%