CVE-2022-48642

netfilter: nf_tables: fix percpu memory leak at nf_tables_addchain()

MEDIUM 5.5

At a glance

Source
NVD
EPSS
EPSS 0.23 % · percentile 14 ()
State
PUBLISHED
Published
Updated
Assigner
Linux
NVD status
Analyzed

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.

Weaknesses (CWE)

  • CWE-401 — Missing Release of Memory after Effective Lifetime

References

Scores

VersionScoreVectorScored by
CVSS 3.1MEDIUM 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HNVD · nvd@nist.gov (Primary)

European references

CERT-FR advisories

Affected configurations (NVD CPE)

Affected products

ProductVersions
Linux · Linuxaffected 3bc158f8d0330f0ac58597c023acca2234c14616 < b043a525a3f5520abb676a7cd8f6328fdf959e88 ; affected 3bc158f8d0330f0ac58597c023acca2234c14616 < 08d7524f366a886b99b1630a24a27dd6e0d7f852 ; affected 3bc158f8d0330f0ac58597c023acca2234c14616 < 985b031667c3177b9e7fb9787b989628e4271714 ; affected 3bc158f8d0330f0ac58597c023acca2234c14616 < 9a4d6dd554b86e65581ef6b6638a39ae079b17ac
Linux · Linuxaffected 5.3 ; unaffected 0 < 5.3 ; unaffected 5.10.146 ≤ 5.10.* ; unaffected 5.15.71 ≤ 5.15.* ; unaffected 5.19.12 ≤ 5.19.* ; unaffected 6.0 ≤ *

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD