CVE-2026-45873None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: netfilter: nft_set_rbtree: check for partial overlaps in anonymous sets Userspace provides an optimized representation in case intervals are adjacent, where the end el…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.2%
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_set_rbtree: check for partial overlaps in anonymous sets
Userspace provides an optimized representation in case intervals are adjacent, where the end element is omitted.
The existing partial overlap detection logic skips anonymous set checks on start elements for this reason.
However, it is possible to add intervals that overlap to this anonymous where two start elements with the same, eg. A-B, A-C where C < B.
start end
A B
start end
A C
Restore the check on overlapping start elements to report an overlap.
Linux >= 4aacf3d78424293e318c616016865380b37b9cc5 < 7ca5813e1b21ef300e04593f47b073ef3217aac6Linux >= 2bf1435fa19d2c58054391b3bba40d5510a5758c < 029e5f6a95e905b12d6bc20421be32a01e0eb311Linux >= 318cb24a4c3fce8140afaf84e4d45fcb76fb280b < f1381ce0a1dd013610985e1c4260908163a427dfLinux >= c9e6978e2725a7d4b6cd23b2facd3f11422c0643 < f1535d56fc3f6c625b7e0559c006bd0318791bb1Linux >= c9e6978e2725a7d4b6cd23b2facd3f11422c0643 < 05feaf826390fd16f1deb89dd9412def3b2a280fLinux >= c9e6978e2725a7d4b6cd23b2facd3f11422c0643 < dad14d22dff1a191612acb98facceb303d0524a2Linux >= c9e6978e2725a7d4b6cd23b2facd3f11422c0643 < e6497e06a102870803a59570d75ed2c36d7e11b3Linux >= c9e6978e2725a7d4b6cd23b2facd3f11422c0643 < 4780ec142cbb24b794129d3080eee5cac2943ffcLinux 7ab87a326f20c52ff4d9972052d085be951c704bLinux 181859bdfb9734aca449512fccaee4cacce64aedLinux >= 5.10.166 < 5.10.252Linux >= 5.15.91 < 5.15.202Linux >= 6.1.9 < 6.1.165Linux >= 4.19.316 < 4.20Linux >= 5.4.262 < 5.5Linux 6.2Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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