CVE-2026-31496

MEDIUM EPSS 2.4%
Published Apr 22, 20262mo ago · Modified Jun 17, 20262w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Apr 22, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_expect: skip expectations in other netns via proc Skip expectations that do not reside in this netns. Similar to e77e6ff502ea ("netfilter: conntrack: do not dump other netns's conntrack entries via proc").

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
2.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 13

VendorProductVersionRange
linuxlinux_kernel*≥2.6.28.1  –  <6.1.168
linuxlinux_kernel*≥6.2  –  <6.6.131
linuxlinux_kernel*≥6.7  –  <6.12.80
linuxlinux_kernel*≥6.13  –  <6.18.21
linuxlinux_kernel*≥6.19  –  <6.19.11
linuxlinux_kernel2.6.28any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any
linuxlinux_kernel7.0any

References 6

  • git.kernel.org https://git.kernel.org/stable/c/168145c87444619e3e649322bbe7719ecd00d411
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2028405ea6987b4448784e439413202cfe19f43f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3265ad619987cb551edaf797ed056d80ac450225
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3db5647984de03d9cae0dcddb509b058351f0ee4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ca8c7452493d915f9bbf2f39331e6c583d07a23
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dcfcd95b3ae7683e8ae55c92284b3430ce614bc7
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/168145c87444619e3e649322bbe7719ecd00d411
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/2028405ea6987b4448784e439413202cfe19f43f
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3265ad619987cb551edaf797ed056d80ac450225
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/3db5647984de03d9cae0dcddb509b058351f0ee4
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/9ca8c7452493d915f9bbf2f39331e6c583d07a23
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/dcfcd95b3ae7683e8ae55c92284b3430ce614bc7
    Patch