vulnerability
Red Hat: CVE-2023-32233: use-after-free in nf_tables when processing batch requests can lead to privilege escalation (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | May 8, 2023 | Jun 5, 2023 | Sep 29, 2025 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
May 8, 2023
Added
Jun 5, 2023
Modified
Sep 29, 2025
Description
In the Linux kernel through 6.3.1, a use-after-free in Netfilter nf_tables when processing batch requests can be abused to perform arbitrary read and write operations on kernel memory. Unprivileged local users can obtain root privileges. This occurs because anonymous sets are mishandled.
Solutions
redhat-upgrade-kernelredhat-upgrade-kernel-rt
References
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