CVE-2023-3772
Kernel: xfrm: null pointer dereference in xfrm_update_ae_params()
- State
- Published
- Severity
- 5.5 Medium
- Published
- Jul 25, 2023
- Updated
- Oct 14, 2026
- Reserved
- Jul 19, 2023
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.5 Medium | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | redhat |
Weaknesses
- CWE-476 NULL Pointer Dereference
Affected Products
| Product | Versions |
|---|---|
Red Hat Enterprise Linux 8Red Hat |
|
Red Hat Enterprise Linux 8Red Hat |
|
Red Hat Enterprise Linux 8.6 Extended Update SupportRed Hat |
|
Red Hat Enterprise Linux 8.8 Extended Update SupportRed Hat |
|
Red Hat Enterprise Linux 9Red Hat |
|
Red Hat Enterprise Linux 9Red Hat |
|
Red Hat Virtualization 4 for Red Hat Enterprise Linux 8Red Hat |
|
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 9Red Hat |
References
- RHSA-2023:6583vendor-advisory
- RHSA-2023:6901vendor-advisory
- RHSA-2023:7077vendor-advisory
- RHSA-2024:0412vendor-advisory
- RHSA-2024:0575vendor-advisory
- https://access.redhat.com/security/cve/CVE-2023-3772vdb-entry
- RHBZ#2218943issue-tracking
- http://www.openwall.com/lists/oss-security/2023/08/10/1
- http://www.openwall.com/lists/oss-security/2023/08/10/3
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://www.debian.org/security/2023/dsa-5492
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
Every record here comes from the CVE Program’s CVE List. © 1999–2026 The MITRE Corporation. CVE is a registered trademark of The MITRE Corporation. The records are reproduced under the CVE Program terms of use.