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CVE-2025-37997

5.5 medium SSVC exploitation: none Modified
NVD · CVE.org

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: fix region locking in hash types Region locking introduced in v5.6-rc4 contained three macros to handle the region locks: ahash_bucket_start(), ahash_bucket_end() which gave back the start and end hash bucket values belonging to a given region lock and ahash_region() which should give back the region lock belonging to a given hash bucket. The latter was incorrect which can lead to a race condition between the garbage collector and adding new elements when a hash type of set is defined with timeouts.

Fix

Patch, vendor advisory and mitigation references on NVD 8

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 5.5 · linux, debianNVD modified 2026-10-15 22:18

Affected (CPE criteria) 12

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.6:-:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.6:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.6:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.6:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.6:rc7:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.15:rc5:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

References 10