CVE-2023-3772CWE-476

CVE-2023-3772

Medium · published July 25, 2023

CVSS v3.1
5.5
EPSS
0%
Percentile
40.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00475 · 40.1th percentile
Weakness
CWE-476 · NULL Pointer Dereference
Published
2023-07-25T20:15Z
Affected products (8)
ProductVersionsFixed in
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
redhat/enterprise_linux_for_real_timeall versions—
redhat/enterprise_linux_for_real_time_for_nfvall versions—
fedoraproject/fedoraall versions—
linux/linux_kernelall versions—
debian/debian_linuxall versions—
debian/debian_linuxall versions—
References (21)
https://access.redhat.com/errata/RHSA-2024:0412 · [email protected]https://access.redhat.com/errata/RHSA-2024:0575 · [email protected]https://access.redhat.com/security/cve/CVE-2023-3772 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2218943 · [email protected]https://access.redhat.com/errata/RHSA-2023:6583 · [email protected]https://access.redhat.com/errata/RHSA-2023:6901 · [email protected]https://access.redhat.com/errata/RHSA-2023:7077 · [email protected]http://www.openwall.com/lists/oss-security/2023/08/10/1 · af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2023/08/10/3 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:6583 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:6901 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2023:7077 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0412 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0575 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-3772 · af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2218943 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html · af854a3a-2127-422b-91ae-364da2661108https://www.debian.org/security/2023/dsa-5492 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 25 JUL 15:47Z
    Kernel: xfrm: null pointer dereference in xfrm_update_ae_params()
    cvelistv5