CVE-2026-31418None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: drop logically empty buckets in mtype_del mtype_del() counts empty slots below n->pos in k, but it only drops the bucket when both n->pos and k are z…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
netfilter: ipset: drop logically empty buckets in mtype_del
mtype_del() counts empty slots below n->pos in k, but it only drops the bucket when both n->pos and k are zero. This misses buckets whose live entries have all been removed while n->pos still points past deleted slots.
Treat a bucket as empty when all positions below n->pos are unused and release it directly instead of shrinking it further.
Linux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < c098ff857e7ca923539164af5b3c2fe3e8f8afafLinux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < 58f3a14826d4e6b0d5421f1a64be280b48601ea2Linux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < ad92ee87462f9a3061361d392e9dbfe2e5c1c9fbLinux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < 6cea34d7ec6829b62f521a37a287f670144a2233Linux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < b7eef00f08b92b0b9efe8ae0df6d0005e6199323Linux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < 68ca0eea0af02bed36c5e2c13e9fa1647c31a7d4Linux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < ceacaa76f221a6577aba945bb8873c2e640aeba4Linux >= 8af1c6fbd9239877998c7f5a591cb2c88d41fb66 < 9862ef9ab0a116c6dca98842aab7de13a252ae02Linux 6c717726f341fd8f39a3ec2dcf5d98d9d28a2769Linux d2997d64dfa65082236bca1efd596b6c935daf5eLinux >= 5.4.24 < 5.5Linux >= 5.5.8 < 5.6Linux 5.6Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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