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CVE-2023-3772

Date: July 25, 2023

A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem). This issue may allow a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer in xfrm_update_ae_params(), leading to a possible kernel crash and denial of service.

Language: C

Severity Score

Related Resources (15)

https://www.debian.org/security/2023/dsa-5492
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
https://access.redhat.com/errata/RHSA-2023:6901
https://nvd.nist.gov/vuln/detail/CVE-2023-3772
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-3772
https://bugzilla.redhat.com/show_bug.cgi?id=2218943
https://access.redhat.com/security/cve/CVE-2023-3772
http://www.openwall.com/lists/oss-security/2023/08/10/3
https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
http://www.openwall.com/lists/oss-security/2023/08/10/1
https://access.redhat.com/errata/RHSA-2024:0575
https://access.redhat.com/errata/RHSA-2023:7077
https://access.redhat.com/errata/RHSA-2023:6583
https://access.redhat.com/errata/RHSA-2024:0412
https://www.mend.io/vulnerability-database/CVE-2023-3772

Severity Score

Weakness Type (CWE)

NULL Pointer Dereference

CWE-476

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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