CVE-2026-23333Improper Validation of Consistency within Input in Linux

Severity
5.5MEDIUM
No vector
EPSS
No EPSS data
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedMar 25

Description

netfilter: nft_set_rbtree: validate open interval overlap In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: validate open interval overlap Open intervals do not have an end element, in particular an open interval at the end of the set is hard to validate because of it is lacking the end element, and interval validation relies on such end element to perform the checks. This patch adds a new flag field to struct nft_set_elem, this is not an issue be

Affected Packages2 packages

Linuxlinux/linux_kernel5.6.06.19.4
CVEListV5linux/linux7c84d41416d836ef7e533bd4d64ccbdf40c5ac70648946966a08e4cb1a71619e3d1b12bd7642de7b+1

🔴Vulnerability Details

5
CVEList
netfilter: nft_set_rbtree: validate open interval overlap2026-03-25
OSV
CVE-2026-23333: In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: validate open interval overlap [ Upstream commit 6489462026-03-25
OSV
CVE-2026-23333: In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: validate open interval overlap Open intervals do not ha2026-03-25
OSV
netfilter: nft_set_rbtree: validate open interval overlap2026-03-25
GHSA
GHSA-cjvf-cwjj-wrgm: In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: validate open interval overlap [ Upstream commit 64892026-03-25

📋Vendor Advisories

3
Red Hat
kernel: netfilter: nft_set_rbtree: validate open interval overlap2026-03-25
Microsoft
netfilter: nft_set_rbtree: validate open interval overlap2026-03-10
Debian
CVE-2026-23333: linux - In the Linux kernel, the following vulnerability has been resolved: netfilter: ...2026

🕵️Threat Intelligence

1
Wiz
CVE-2026-23333 Impact, Exploitability, and Mitigation Steps | Wiz

💬Community

1
Bugzilla
CVE-2026-23333 kernel: netfilter: nft_set_rbtree: validate open interval overlap2026-03-25
CVE-2026-23333 — Linux vulnerability | cvebase