CVE-2022-50048

MEDIUM EPSS 4.9%
Published Jun 18, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jun 18, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: possible module reference underflow in error path dst->ops is set on when nft_expr_clone() fails, but module refcount has not been bumped yet, therefore nft_expr_destroy() leads to module reference underflow.

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
4.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 3

VendorProductVersionRange
linuxlinux_kernel*≥5.11  –  <5.15.63
linuxlinux_kernel*≥5.16  –  <5.19.4
linuxlinux_kernel6.0any

References 3

  • git.kernel.org https://git.kernel.org/stable/c/1e52e6cfec6342c3d0df47dc3a76724fb3dabf56
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b59bee8b05b0e789b5a298cacb09e8aaa3367a29
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c485c35ff6783ccd12c160fcac6a0e504e83e0bf
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/1e52e6cfec6342c3d0df47dc3a76724fb3dabf56
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/b59bee8b05b0e789b5a298cacb09e8aaa3367a29
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/c485c35ff6783ccd12c160fcac6a0e504e83e0bf
    Patch