CVE-2023-3772
A flaw was found in the Linux kernel’s IP framework for transforming packets (XFRM subsystem).
Published Jul 25, 2023 · updated Oct 14, 2026 · Red Hat Red Hat Enterprise Linux 8
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.
Timeline
Detection, updates, and resolution for this record.
Jul 25, 2023 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Affected
- cpe debian/debian linux10.0
- cpe debian/debian linux12.0
- cpe fedoraproject/fedoraversion unspecified
- cpe linux/linux kernelversion unspecified
- cpe redhat/enterprise linux8.0
- cpe redhat/enterprise linux9.0
- cpe redhat/enterprise linux for real time8.0
- cpe redhat/enterprise linux for real time for nfv8.0
- vendor Red Hat Red Hat Enterprise Linux 6version unspecified
- vendor Red Hat Red Hat Enterprise Linux 8version unspecified
- vendor Red Hat Red Hat Enterprise Linux 8.6 Extended Update Supportversion unspecified
- vendor Red Hat Red Hat Enterprise Linux 8.8 Extended Update Supportversion unspecified
- vendor Red Hat Red Hat Enterprise Linux 9version unspecified
- vendor Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8version unspecified
Sources
- CIRCL Vulnerability LookupCVE-2023-3772
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 s
vulnerability.circl.lu - CVE.orgCVE-2023-3772
Official CVE identifier
cve.org - FIRST EPSSCVE-2023-3772
30-day exploitation probability 0.5%
first.org - NIST NVDCVE-2023-3772
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 s
nvd.nist.gov