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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2022-48654
HistoryApr 28, 2024 - 1:15 p.m.

CVE-2022-48654

2024-04-2813:15:07
Debian Security Bug Tracker
security-tracker.debian.org
6
linux kernel
netfilter
nfnetlink_osf
vulnerability
uninitialized memory
kernel stack data

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

6.8

Confidence

Low

EPSS

0

Percentile

15.5%

In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_osf: fix possible bogus match in nf_osf_find() nf_osf_find() incorrectly returns true on mismatch, this leads to copying uninitialized memory area in nft_osf which can be used to leak stale kernel stack data to userspace.

CVSS3

5.5

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

AI Score

6.8

Confidence

Low

EPSS

0

Percentile

15.5%