CVE-2023-3772
Kernel: xfrm: null pointer dereference in xfrm_update_ae_params()
Severity Score
4.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
1
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
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.
*Credits:
Red Hat would like to thank Lin Ma (ZJU & Ant Security Light-Year Lab) for reporting this issue.
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2023-07-19 CVE Reserved
- 2023-07-25 CVE Published
- 2023-08-10 EPSS Updated
- 2024-01-30 First Exploit
- 2024-09-13 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
CWE
- CWE-476: NULL Pointer Dereference
CAPEC
References (12)
| URL | Tag | Source |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2023/08/10/3 | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html | Mailing List |
|
| https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html |
|
|
| https://www.debian.org/security/2023/dsa-5492 | Third Party Advisory |
|
| URL | Date | SRC |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2023/08/10/1 | 2024-01-30 |
| URL | Date | SRC |
|---|
| URL | Date | SRC |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2023:6583 | 2024-01-30 | |
| https://access.redhat.com/errata/RHSA-2023:6901 | 2024-01-30 | |
| https://access.redhat.com/errata/RHSA-2023:7077 | 2024-01-30 | |
| https://access.redhat.com/errata/RHSA-2024:0412 | 2024-01-30 | |
| https://access.redhat.com/errata/RHSA-2024:0575 | 2024-01-30 | |
| https://access.redhat.com/security/cve/CVE-2023-3772 | 2024-01-30 | |
| https://bugzilla.redhat.com/show_bug.cgi?id=2218943 | 2024-01-30 |
Affected Vendors, Products, and Versions
| Vendor | Product | Version | Other | Status | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 8.0 Search vendor "Redhat" for product "Enterprise Linux" and version "8.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux Search vendor "Redhat" for product "Enterprise Linux" | 9.0 Search vendor "Redhat" for product "Enterprise Linux" and version "9.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux For Real Time Search vendor "Redhat" for product "Enterprise Linux For Real Time" | 8.0 Search vendor "Redhat" for product "Enterprise Linux For Real Time" and version "8.0" | - |
Affected
| ||||||
| Redhat Search vendor "Redhat" | Enterprise Linux For Real Time For Nfv Search vendor "Redhat" for product "Enterprise Linux For Real Time For Nfv" | 8.0 Search vendor "Redhat" for product "Enterprise Linux For Real Time For Nfv" and version "8.0" | - |
Affected
| ||||||
| Fedoraproject Search vendor "Fedoraproject" | Fedora Search vendor "Fedoraproject" for product "Fedora" | - | - |
Affected
| ||||||
| Linux Search vendor "Linux" | Linux Kernel Search vendor "Linux" for product "Linux Kernel" | - | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 10.0 Search vendor "Debian" for product "Debian Linux" and version "10.0" | - |
Affected
| ||||||
| Debian Search vendor "Debian" | Debian Linux Search vendor "Debian" for product "Debian Linux" | 12.0 Search vendor "Debian" for product "Debian Linux" and version "12.0" | - |
Affected
| ||||||