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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.

PUBLISHED Reserved 2026-05-13 | Published 2026-05-27 | Updated 2026-05-27 | Assigner Linux

Product status

Default status
unaffected

4aacf3d78424293e318c616016865380b37b9cc5 (git) before 7ca5813e1b21ef300e04593f47b073ef3217aac6
affected

2bf1435fa19d2c58054391b3bba40d5510a5758c (git) before 029e5f6a95e905b12d6bc20421be32a01e0eb311
affected

318cb24a4c3fce8140afaf84e4d45fcb76fb280b (git) before f1381ce0a1dd013610985e1c4260908163a427df
affected

c9e6978e2725a7d4b6cd23b2facd3f11422c0643 (git) before f1535d56fc3f6c625b7e0559c006bd0318791bb1
affected

c9e6978e2725a7d4b6cd23b2facd3f11422c0643 (git) before 05feaf826390fd16f1deb89dd9412def3b2a280f
affected

c9e6978e2725a7d4b6cd23b2facd3f11422c0643 (git) before dad14d22dff1a191612acb98facceb303d0524a2
affected

c9e6978e2725a7d4b6cd23b2facd3f11422c0643 (git) before e6497e06a102870803a59570d75ed2c36d7e11b3
affected

c9e6978e2725a7d4b6cd23b2facd3f11422c0643 (git) before 4780ec142cbb24b794129d3080eee5cac2943ffc
affected

7ab87a326f20c52ff4d9972052d085be951c704b (git)
affected

181859bdfb9734aca449512fccaee4cacce64aed (git)
affected

5.10.166 (semver) before 5.10.252
affected

5.15.91 (semver) before 5.15.202
affected

6.1.9 (semver) before 6.1.165
affected

4.19.316 (semver) before 4.20
affected

5.4.262 (semver) before 5.5
affected

Default status
affected

6.2
affected

Any version before 6.2
unaffected

5.10.252 (semver)
unaffected

5.15.202 (semver)
unaffected

6.1.165 (semver)
unaffected

6.6.128 (semver)
unaffected

6.12.75 (semver)
unaffected

6.18.14 (semver)
unaffected

6.19.4 (semver)
unaffected

7.0 (original_commit_for_fix)
unaffected

References

git.kernel.org/...c/7ca5813e1b21ef300e04593f47b073ef3217aac6

git.kernel.org/...c/029e5f6a95e905b12d6bc20421be32a01e0eb311

git.kernel.org/...c/f1381ce0a1dd013610985e1c4260908163a427df

git.kernel.org/...c/f1535d56fc3f6c625b7e0559c006bd0318791bb1

git.kernel.org/...c/05feaf826390fd16f1deb89dd9412def3b2a280f

git.kernel.org/...c/dad14d22dff1a191612acb98facceb303d0524a2

git.kernel.org/...c/e6497e06a102870803a59570d75ed2c36d7e11b3

git.kernel.org/...c/4780ec142cbb24b794129d3080eee5cac2943ffc

cve.org (CVE-2026-45873)

nvd.nist.gov (CVE-2026-45873)

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