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VULNERABILITIES

CVE-2022-48642 Details

Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain() It seems to me that percpu memory for chain stats started leaking since commit 3bc158f8d0330f0a ("netfilter: nf_tables: map basechain priority to hardware priority") when nft_chain_offload_priority() returned an error.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.5 MEDIUMVector:CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URLSource(s)Tag(s)
https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852 kernel.orgPatch
https://git.kernel.org/stable/c/985b031667c3177b9e7fb9787b989628e4271714 kernel.orgPatch
https://git.kernel.org/stable/c/9a4d6dd554b86e65581ef6b6638a39ae079b17ac kernel.orgPatch
https://git.kernel.org/stable/c/b043a525a3f5520abb676a7cd8f6328fdf959e88 kernel.orgPatch
https://git.kernel.org/stable/c/08d7524f366a886b99b1630a24a27dd6e0d7f852 CVEPatch

see all 8 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-401Missing Release of Memory after Effective Lifetime[email protected]

Affected Products

ProductVersions
linux linux kernel
>= 5.3, < 5.10.146
>= 5.11, < 5.15.71
>= 5.16, < 5.19.12
6.0 rc1
6.0 rc2

CPE

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:6.0:rc6:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

7 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2022-48642
NVD Published Date:
Apr 28, 2024
NVD Last Modified:
Jun 17, 2026
Source:
kernel.org
CVE-2022-48642 Details - Not Deferred