medium5.1
CVE-2023-39189
A flaw was found in the Netfilter subsystem in the Linux kernel.
Impact
A flaw was found in the Netfilter subsystem in the Linux kernel. The nfnl_osf_add_callback function did not validate the user mode controlled opt_num 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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 6.6 |
| Redhat | Enterprise Linux | Versions 8.0, 9.0 |
| Fedoraproject | Fedora | Version 38 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/errata/RHSA-2024:2394
- https://access.redhat.com/errata/RHSA-2024:2950
- https://access.redhat.com/errata/RHSA-2024:3138
- https://access.redhat.com/security/cve/CVE-2023-39189
- https://bugzilla.redhat.com/show_bug.cgi?id=2226777
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html