CVE-2023-39192Out-of-bounds Read in Kernel

CWE-125Out-of-bounds Read23 documents9 sources
Severity
6.0MEDIUMNVD
CNA6.7
EPSS
0.0%
top 99.18%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 9
Latest updateFeb 14

Description

A flaw was found in the Netfilter subsystem in the Linux kernel. The xt_u32 module did not validate the fields in the xt_u32 structure. This flaw allows a local privileged attacker to trigger an out-of-bounds read by setting the size fields with a value beyond the array boundaries, leading to a crash or information disclosure.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:HExploitability: 0.8 | Impact: 5.2

Affected Packages2 packages

Debianlinux/linux_kernel< 5.10.197-1+3

Also affects: Enterprise Linux 8.0, Fedora 38

Patches

🔴Vulnerability Details

3
GHSA
GHSA-r9hc-hfrh-p2p9: A flaw was found in the Netfilter subsystem in the Linux kernel2023-10-09
CVEList
Kernel: netfilter: xtables out-of-bounds read in u32_match_it()2023-10-09
OSV
CVE-2023-39192: A flaw was found in the Netfilter subsystem in the Linux kernel2023-10-09

📋Vendor Advisories

18
Ubuntu
Linux kernel (GCP) vulnerabilities2024-02-14
Ubuntu
Linux kernel vulnerabilities2024-01-10
Ubuntu
Linux kernel (IoT) vulnerabilities2024-01-10
Ubuntu
Linux kernel (GKE) vulnerabilities2024-01-09
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities2024-01-05

💬Community

1
Bugzilla
CVE-2023-39192 kernel: netfilter: xtables out-of-bounds read in u32_match_it()2023-07-26
CVE-2023-39192 — Out-of-bounds Read in Linux Kernel | cvebase