9.8

CVE-2026-72436

netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types

In the Linux kernel, the following vulnerability has been resolved:

netfilter: ipset: Don't use test_bit() in lockless RCU readers in hash types

Sashiko pointed out that there are a few lockless RCU readers
using test_bit() which is a relaxed atomic operation and
provides no memory barrier guarantees. Use test_bit_acquire()
instead where the operation may run parallel with add/del/gc,
i.e. is not one from the next cases

- protected by region lock
- in a set destroy phase
- in a new/temporary set creation phase
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
HerstellerLinux
≫
Produkt Linux
Default Statusunaffected
Version 18f84d41d34fa35d0d64bbaea01fe664553ecc06
Version < c107233d2ff4fd7cef5d02f9124b99194957a710
Status affected
Version 18f84d41d34fa35d0d64bbaea01fe664553ecc06
Version < 6329d3a9afe715fddda0460cfa46b496d61c2fe0
Status affected
Version 18f84d41d34fa35d0d64bbaea01fe664553ecc06
Version < 7445fe965b7d8756070a40e80f8b73348ccda1d7
Status affected
Version 18f84d41d34fa35d0d64bbaea01fe664553ecc06
Version < c4d257734e91bfcdc71d41843392dd6400b5bb1b
Status affected
Version 18f84d41d34fa35d0d64bbaea01fe664553ecc06
Version < 3219d74e4536658c937fd878a327257b86ce80dd
Status affected
Version 18f84d41d34fa35d0d64bbaea01fe664553ecc06
Version < e4b4984e28c16406ecb318444dea4a8bf47def3e
Status affected
HerstellerLinux
≫
Produkt Linux
Default Statusaffected
Version 4.2
Status affected
Version 0
Version < 4.2
Status unaffected
Version <= 6.1.*
Version 6.1.178
Status unaffected
Version <= 6.6.*
Version 6.6.145
Status unaffected
Version <= 6.12.*
Version 6.12.97
Status unaffected
Version <= 6.18.*
Version 6.18.40
Status unaffected
Version <= 7.1.*
Version 7.1.5
Status unaffected
Version <= *
Version 7.2
Status unaffected
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.71% 0.506
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
416baaa9-dc9f-4396-8d5f-8c081fb06d67 9.8 3.9 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Es wurden noch keine Informationen zu CWE veröffentlicht.
https://git.kernel.org/stable/c/c107233d2ff4fd7cef5d02f9124b99194957a710
https://git.kernel.org/stable/c/6329d3a9afe715fddda0460cfa46b496d61c2fe0
https://git.kernel.org/stable/c/7445fe965b7d8756070a40e80f8b73348ccda1d7
https://git.kernel.org/stable/c/c4d257734e91bfcdc71d41843392dd6400b5bb1b
https://git.kernel.org/stable/c/3219d74e4536658c937fd878a327257b86ce80dd
https://git.kernel.org/stable/c/e4b4984e28c16406ecb318444dea4a8bf47def3e