CVE-2021-34693

net/can/bcm.c in the Linux kernel through 5.12.10 allows local users to obtain sensitive information from kernel stack memory because parts of a data structure are uninitialized.

CVSS v3.0 5.5 MEDIUM
CVSS v2.0 2.1 LOW

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

2.1^/10

CVSS v2.0 : LOW

Vector : AV:L/AC:L/Au:N/C:P/I:N/A:N

Exploitability : 3.9 / Impact : 2.9

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://lore.kernel.org/netdev/trinity-87eaea25-2a7d-4aa9-92a5-269b822e5d95-1623609211076@3c-app-gmx-bs04/T/	Exploit Patch Vendor Advisory
http://www.openwall.com/lists/oss-security/2021/06/15/1	Exploit Mailing List Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00016.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00015.html	Mailing List Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00014.html	Mailing List Third Party Advisory
https://www.debian.org/security/2021/dsa-4941	Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*

Information

Published : 2021-06-14 15:15

Updated : 2021-09-20 06:52

NVD link : CVE-2021-34693

Mitre link : CVE-2021-34693

JSON object : View

CWE

CWE-909

Missing Initialization of Resource

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Products Affected

debian

debian_linux

linux

linux_kernel

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