CVE-2026-52970

CVE-2026-52970

Medium · published June 24, 2026

CVSS v3.1
5.5
EPSS
0%
Percentile
2.7
In the wild
Unconfirmed
What it is

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

netfilter: nft_ct: fix missing expect put in obj eval

nft_ct_expect_obj_eval() allocates an expectation and may call

nf_ct_expect_related(), but never drops its local reference.

Add nf_ct_expect_put(exp) before return to balance allocation.

The record
Technical detail
CVSS v3.1
5.5 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00134 · 2.7th percentile
Published
2026-06-24T21:17Z
Affected products (10)
ProductVersionsFixed in
linux/linux_kernel≥ 5.3, < 5.10.2585.10.258
linux/linux_kernel≥ 5.11, < 5.15.2095.15.209
linux/linux_kernel≥ 5.16, < 6.1.1756.1.175
linux/linux_kernel≥ 6.2, < 6.6.1416.6.141
linux/linux_kernel≥ 6.7, < 6.12.916.12.91
linux/linux_kernel≥ 6.13, < 6.18.336.18.33
linux/linux_kernel≥ 6.19, < 7.0.107.0.10
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
References (10)
EPSS history
Timeline
  • 24 JUN 16:28Z
    netfilter: nft_ct: fix missing expect put in obj eval
    cvelistv5