netfilter: nft_set_rbtree: check for partial overlaps in anonymous sets
Summary
| CVE | CVE-2026-45873 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-05-27 14:17:00 UTC |
| Updated | 2026-05-27 14:48:31 UTC |
| Description | 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. |
Risk And Classification
EPSS: 0.000240000 probability, percentile 0.073320000 (date 2026-06-01)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 4aacf3d78424293e318c616016865380b37b9cc5 7ca5813e1b21ef300e04593f47b073ef3217aac6 git | Not specified |
| CNA | Linux | Linux | affected 2bf1435fa19d2c58054391b3bba40d5510a5758c 029e5f6a95e905b12d6bc20421be32a01e0eb311 git | Not specified |
| CNA | Linux | Linux | affected 318cb24a4c3fce8140afaf84e4d45fcb76fb280b f1381ce0a1dd013610985e1c4260908163a427df git | Not specified |
| CNA | Linux | Linux | affected c9e6978e2725a7d4b6cd23b2facd3f11422c0643 f1535d56fc3f6c625b7e0559c006bd0318791bb1 git | Not specified |
| CNA | Linux | Linux | affected c9e6978e2725a7d4b6cd23b2facd3f11422c0643 05feaf826390fd16f1deb89dd9412def3b2a280f git | Not specified |
| CNA | Linux | Linux | affected c9e6978e2725a7d4b6cd23b2facd3f11422c0643 dad14d22dff1a191612acb98facceb303d0524a2 git | Not specified |
| CNA | Linux | Linux | affected c9e6978e2725a7d4b6cd23b2facd3f11422c0643 e6497e06a102870803a59570d75ed2c36d7e11b3 git | Not specified |
| CNA | Linux | Linux | affected c9e6978e2725a7d4b6cd23b2facd3f11422c0643 4780ec142cbb24b794129d3080eee5cac2943ffc git | Not specified |
| CNA | Linux | Linux | affected 7ab87a326f20c52ff4d9972052d085be951c704b git | Not specified |
| CNA | Linux | Linux | affected 181859bdfb9734aca449512fccaee4cacce64aed git | Not specified |
| CNA | Linux | Linux | affected 5.10.166 5.10.252 semver | Not specified |
| CNA | Linux | Linux | affected 5.15.91 5.15.202 semver | Not specified |
| CNA | Linux | Linux | affected 6.1.9 6.1.165 semver | Not specified |
| CNA | Linux | Linux | affected 4.19.316 4.20 semver | Not specified |
| CNA | Linux | Linux | affected 5.4.262 5.5 semver | Not specified |
| CNA | Linux | Linux | affected 6.2 | Not specified |
| CNA | Linux | Linux | unaffected 6.2 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.252 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.202 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.165 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.128 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.75 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.14 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.19.4 6.19.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.0 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/f1535d56fc3f6c625b7e0559c006bd0318791bb1 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/05feaf826390fd16f1deb89dd9412def3b2a280f | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/4780ec142cbb24b794129d3080eee5cac2943ffc | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/e6497e06a102870803a59570d75ed2c36d7e11b3 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/dad14d22dff1a191612acb98facceb303d0524a2 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/f1381ce0a1dd013610985e1c4260908163a427df | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/7ca5813e1b21ef300e04593f47b073ef3217aac6 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/029e5f6a95e905b12d6bc20421be32a01e0eb311 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.