CVE-2023-7192
Medium
Description
A memory leak problem was found in ctnetlink_create_conntrack in net/netfilter/nf_conntrack_netlink.c in the Linux Kernel. This issue may allow a local attacker with CAP_NET_ADMIN privileges to cause a denial of service (DoS) attack due to a refcount overflow.
SeverityMedium
CVSS5.5
Exploit probability—
Product
Linux Kernel
PublishedJan 2, 2024
First seenJan 2, 2024
Weakness typeCWE-401CWE-401
How to fix
Update
- linux linux_kernel6.3 or later
Patches
Vendor advisories
- access.redhat.com/errata/RHSA-2024:0723
- access.redhat.com/errata/RHSA-2024:0725
- access.redhat.com/errata/RHSA-2024:1188
- access.redhat.com/errata/RHSA-2024:1250
- access.redhat.com/errata/RHSA-2024:1306
- access.redhat.com/errata/RHSA-2024:1367
- access.redhat.com/errata/RHSA-2024:1382
- access.redhat.com/errata/RHSA-2024:1404
- access.redhat.com/errata/RHSA-2024:2006
- access.redhat.com/errata/RHSA-2024:2008
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 6.3 | 6.3 |
| redhat enterprise_linux | 8.0, 9.0 | — |
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