CVE-2023-39193CWE-125

CVE-2023-39193

Medium · published October 9, 2023

CVSS v3.1
6.1
EPSS
0%
Percentile
35.6
In the wild
Unconfirmed
What it is

A flaw was found in the Netfilter subsystem in the Linux kernel. The sctp_mt_check did not validate the flag_count field. This flaw allows a local privileged (CAP_NET_ADMIN) attacker to trigger an out-of-bounds read, leading to a crash or information disclosure.

The record
Technical detail
CVSS v3.1
6.1 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00424 · 35.6th percentile
Weakness
CWE-125 · Out-of-bounds Read
Published
2023-10-09T22:15Z
Affected products (4)
ProductVersionsFixed in
linux/linux_kernel< 6.66.6
redhat/enterprise_linuxall versions—
redhat/enterprise_linuxall versions—
fedoraproject/fedoraall versions—
References (16)
https://access.redhat.com/errata/RHSA-2024:2394 · [email protected]https://access.redhat.com/errata/RHSA-2024:2950 · [email protected]https://access.redhat.com/errata/RHSA-2024:3138 · [email protected]https://access.redhat.com/security/cve/CVE-2023-39193 · [email protected]https://bugzilla.redhat.com/show_bug.cgi?id=2226787 · [email protected]https://www.zerodayinitiative.com/advisories/ZDI-CAN-18866/ · [email protected]https://access.redhat.com/errata/RHSA-2024:2394 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:2950 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:3138 · af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-39193 · af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2226787 · af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html · af854a3a-2127-422b-91ae-364da2661108https://www.zerodayinitiative.com/advisories/ZDI-CAN-18866/ · 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-769027.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-794697.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 09 OCT 17:57Z
    Kernel: netfilter: xtables sctp out-of-bounds read in match_flags()
    cvelistv5