Kernel: xfrm: null pointer dereference in xfrm_update_ae_params()
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.5epss 0.5%
exploitation probability
0.5%top 61% of all CVEs
observed exploitation
nono source reports it
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.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
Red Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red 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 Virtualization 4 for Red Hat Enterprise Linux 8References
https://access.redhat.com/errata/RHSA-2023:6583https://access.redhat.com/errata/RHSA-2023:6901https://access.redhat.com/errata/RHSA-2023:7077https://access.redhat.com/errata/RHSA-2024:0412https://access.redhat.com/errata/RHSA-2024:0575https://access.redhat.com/security/cve/CVE-2023-3772https://bugzilla.redhat.com/show_bug.cgi?id=2218943https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlhttps://lists.debian.org/debian-lts-announce/2024/01/msg00004.htmlhttps://www.debian.org/security/2023/dsa-5492http://www.openwall.com/lists/oss-security/2023/08/10/1http://www.openwall.com/lists/oss-security/2023/08/10/3