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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-0597
HistoryFeb 23, 2023 - 8:15 p.m.

CVE-2023-0597

2023-02-2320:15:12
Debian Security Bug Tracker
security-tracker.debian.org
20
linux
kernel
memory leak
cpu
data
x86
user
memory mapping
exception stack

5.5 Medium

CVSS3

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

0.0004 Low

EPSS

Percentile

5.1%

A flaw possibility of memory leak in the Linux kernel cpu_entry_area mapping of X86 CPU data to memory was found in the way user can guess location of exception stack(s) or other important data. A local user could use this flaw to get access to some important data with expected location in memory.

5.5 Medium

CVSS3

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

0.0004 Low

EPSS

Percentile

5.1%