CVE-2022-3623 : A vulnerability was found in Linux Kernel. It has been declared as problematic.

A vulnerability was found in Linux Kernel. It has been declared as problematic. Affected by this vulnerability is the function follow_page_pte of the file mm/gup.c of the component BPF. The manipulation leads to race condition. The attack can be launched remotely. It is recommended to apply a patch to fix this issue. The identifier VDB-211921 was assigned to this vulnerability.

Published 2022-10-20 20:15:10

Updated 2023-08-18 18:55:41

Source VulDB

View at NVD, CVE.org

Products affected by CVE-2022-3623

Debian » Debian Linux » Version: 11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.16 and before (<) 5.19.17
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.1 and before (<) 5.4.228
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 6.0 and before (<) 6.0.3
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.5 and before (<) 5.10.159
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions
Linux » Linux Kernel
Versions from including (>=) 5.11 and before (<) 5.15.78
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2022-3623

EPSS FAQ

0.22%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 60 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-3623

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L	1.6	3.4	VulDB
Attack Vector: Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: Low Integrity: Low Availability: Low
7.5	HIGH	CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H	1.6	5.9	NIST
Attack Vector: Network Attack Complexity: High Privileges Required: Low User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: High

CWE ids for CVE-2022-3623

CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently.

Assigned by: cna@vuldb.com (Primary)

References for CVE-2022-3623

https://lists.debian.org/debian-lts-announce/2023/03/msg00000.html

[SECURITY] [DLA 3349-1] linux-5.10 security update
Mailing List;Third Party Advisory

CVEs referencing this url
https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next.git/commit/?id=fac35ba763ed07ba93154c95ffc0c4a55023707f

kernel/git/bpf/bpf-next.git - BPF next kernel tree
Mailing List;Patch;Vendor Advisory
https://vuldb.com/?id.211921

CVE-2022-3623 | Linux Kernel BPF gup.c follow_page_pte race condition
Third Party Advisory
https://www.debian.org/security/2023/dsa-5324

Debian -- Security Information -- DSA-5324-1 linux
Third Party Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2022-3623

Products affected by CVE-2022-3623

Exploit prediction scoring system (EPSS) score for CVE-2022-3623

CVSS scores for CVE-2022-3623

CWE ids for CVE-2022-3623

References for CVE-2022-3623