CVE-2022-2905

An out-of-bounds memory read flaw was found in the Linux kernel's BPF subsystem in how a user calls the bpf_tail_call function with a key larger than the max_entries of the map. This flaw allows a local user to gain unauthorized access to data.

CVSS v3.0 5.5 MEDIUM

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

References

Link	Resource
https://bugzilla.redhat.com/show_bug.cgi?id=2121800	Exploit Issue Tracking Patch Third Party Advisory
https://lore.kernel.org/bpf/984b37f9fdf7ac36831d2137415a4a915744c1b6.1661462653.git.daniel@iogearbox.net/	Exploit Mailing List Patch Vendor Advisory
https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html	Mailing List Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel:6.0:rc3::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel:6.0:rc1::::::
	cpe:2.3:o:linux:linux_kernel:6.0:rc2::::::

Configuration 2 (hide)

cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*

Configuration 3 (hide)

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

Information

Published : 2022-09-09 08:15

Updated : 2022-11-21 11:44

NVD link : CVE-2022-2905

Mitre link : CVE-2022-2905

JSON object : View

CWE

CWE-125

Out-of-bounds Read

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Products Affected

redhat

enterprise_linux

debian

debian_linux

linux

linux_kernel

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