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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2024-0565
HistoryJan 15, 2024 - 8:15 p.m.

CVE-2024-0565

2024-01-1520:15:43
Debian Security Bug Tracker
security-tracker.debian.org
15
cve-2024-0565
out-of-bounds memory read
smb client
linux kernel
integer underflow
denial of service
receive_encrypted_standard

7.4 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:M/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

5.2%

An out-of-bounds memory read flaw was found in receive_encrypted_standard in fs/smb/client/smb2ops.c in the SMB Client sub-component in the Linux Kernel. This issue occurs due to integer underflow on the memcpy length, leading to a denial of service.

7.4 High

CVSS3

Attack Vector

ADJACENT_NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

6.7 Medium

AI Score

Confidence

High

4.9 Medium

CVSS2

Access Vector

ADJACENT_NETWORK

Access Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:A/AC:M/Au:S/C:P/I:P/A:P

0.0004 Low

EPSS

Percentile

5.2%