vulnerability
Alma Linux: CVE-2023-32233: Important: kernel security and bug fix update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | May 8, 2023 | Jun 6, 2023 | Apr 17, 2026 |
Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
May 8, 2023
Added
Jun 6, 2023
Modified
Apr 17, 2026
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
alma-upgrade-bpftoolalma-upgrade-kernelalma-upgrade-kernel-64kalma-upgrade-kernel-64k-corealma-upgrade-kernel-64k-debugalma-upgrade-kernel-64k-debug-corealma-upgrade-kernel-64k-debug-develalma-upgrade-kernel-64k-debug-devel-matchedalma-upgrade-kernel-64k-debug-modulesalma-upgrade-kernel-64k-debug-modules-corealma-upgrade-kernel-64k-debug-modules-extraalma-upgrade-kernel-64k-develalma-upgrade-kernel-64k-devel-matchedalma-upgrade-kernel-64k-modulesalma-upgrade-kernel-64k-modules-corealma-upgrade-kernel-64k-modules-extraalma-upgrade-kernel-abi-stablelistsalma-upgrade-kernel-corealma-upgrade-kernel-cross-headersalma-upgrade-kernel-debugalma-upgrade-kernel-debug-corealma-upgrade-kernel-debug-develalma-upgrade-kernel-debug-devel-matchedalma-upgrade-kernel-debug-modulesalma-upgrade-kernel-debug-modules-corealma-upgrade-kernel-debug-modules-extraalma-upgrade-kernel-debug-uki-virtalma-upgrade-kernel-develalma-upgrade-kernel-devel-matchedalma-upgrade-kernel-docalma-upgrade-kernel-modulesalma-upgrade-kernel-modules-corealma-upgrade-kernel-modules-extraalma-upgrade-kernel-rtalma-upgrade-kernel-rt-corealma-upgrade-kernel-rt-debugalma-upgrade-kernel-rt-debug-corealma-upgrade-kernel-rt-debug-develalma-upgrade-kernel-rt-debug-kvmalma-upgrade-kernel-rt-debug-modulesalma-upgrade-kernel-rt-debug-modules-corealma-upgrade-kernel-rt-debug-modules-extraalma-upgrade-kernel-rt-develalma-upgrade-kernel-rt-kvmalma-upgrade-kernel-rt-modulesalma-upgrade-kernel-rt-modules-corealma-upgrade-kernel-rt-modules-extraalma-upgrade-kernel-toolsalma-upgrade-kernel-tools-libsalma-upgrade-kernel-tools-libs-develalma-upgrade-kernel-uki-virtalma-upgrade-kernel-zfcpdumpalma-upgrade-kernel-zfcpdump-corealma-upgrade-kernel-zfcpdump-develalma-upgrade-kernel-zfcpdump-devel-matchedalma-upgrade-kernel-zfcpdump-modulesalma-upgrade-kernel-zfcpdump-modules-corealma-upgrade-kernel-zfcpdump-modules-extraalma-upgrade-perfalma-upgrade-python3-perfalma-upgrade-rtla
References
- CVE-2023-32233
- https://attackerkb.com/topics/CVE-2023-32233
- CWE-416
- EUVD-EUVD-2023-36491
- https://errata.almalinux.org/8/ALSA-2023-3349.html
- https://errata.almalinux.org/8/ALSA-2023-3350.html
- https://errata.almalinux.org/9/ALSA-2023-3708.html
- https://errata.almalinux.org/9/ALSA-2023-3723.html
- https://euvd.enisa.europa.eu/vulnerability/EUVD-2023-36491
Rapid7 Labs
2026 Global Threat Landscape Report
The predictive window has collapsed. Exploitation follows disclosure in days. See how attackers are accelerating and how to stay ahead.