CVE-2022-0854

A memory leak flaw was found in the Linux kernel’s DMA subsystem, in the way a user calls DMA_FROM_DEVICE. This flaw allows a local user to read random memory from the kernel space.

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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/kernel/dma/swiotlb.c?h=v5.17-rc8&id=aa6f8dcbab473f3a3c7454b74caa46d36cdc5d13	Exploit Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5161	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html	Mailing List Third Party Advisory
https://www.debian.org/security/2022/dsa-5173	Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel:5.17:rc5::::::
	cpe:2.3:o:linux:linux_kernel:5.17:rc4::::::
	cpe:2.3:o:linux:linux_kernel:5.17:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.17:rc2::::::
	cpe:2.3:o:linux:linux_kernel:5.17:rc3::::::
	cpe:2.3:o:linux:linux_kernel:5.17:-::::::
	cpe:2.3:o:linux:linux_kernel:5.17:rc6::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:5.17:rc7::::::

Configuration 2 (hide)

OR	cpe:2.3:o:debian:debian_linux:9.0:::::::*
	cpe:2.3:o:debian:debian_linux:10.0:::::::*
	cpe:2.3:o:debian:debian_linux:11.0:::::::*

Information

Published : 2022-03-23 13:15

Updated : 2022-10-14 05:53

NVD link : CVE-2022-0854

Mitre link : CVE-2022-0854

JSON object : View

CWE

CWE-401

Missing Release of Memory after Effective Lifetime

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Products Affected

debian

debian_linux

linux

linux_kernel

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