Vulnerability-Lookup

GHSA-WMC5-HV62-89G7

Vulnerability from github – Published: 2022-03-30 00:00 – Updated: 2026-07-29 15:30

Details

A use-after-free exists in the Linux Kernel in tc_new_tfilter that could allow a local attacker to gain privilege escalation. The exploit requires unprivileged user namespaces. We recommend upgrading past commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5

Severity

7.8 (High)


                  
                    CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

8.6 (High)


                  
                    CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

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{
  "affected": [],
  "aliases": [
    "CVE-2022-1055"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-416"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-03-29T15:15:00Z",
    "severity": "HIGH"
  },
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  "id": "GHSA-wmc5-hv62-89g7",
  "modified": "2026-07-29T15:30:39Z",
  "published": "2022-03-30T00:00:21Z",
  "references": [
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      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-1055"
    },
    {
      "type": "WEB",
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    },
    {
      "type": "WEB",
      "url": "https://kernel.dance/#04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220506-0007"
    },
    {
      "type": "WEB",
      "url": "https://syzkaller.appspot.com/bug?id=2212474c958978ab86525fe6832ac8102c309ffc"
    },
    {
      "type": "WEB",
      "url": "http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
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      "score": "CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}

CVE-2022-1055 (GCVE-0-2022-1055)

Vulnerability from cvelistv5 – Published: 2022-03-29 15:05 – Updated: 2026-07-29 13:49

Title

Use after Free in tc_new_tfilter allowing for privilege escalation in Linux Kernel

Summary

Severity

8.6 (High)


                        
                          CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N

SSVC

Exploitation: poc Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2024-05-21 17:47 UTC

CWE

CWE-416 - Use After Free

Assigner

Google

References

5 references

URL	Tags
https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC
https://syzkaller.appspot.com/bug?id=2212474c9589…	x_refsource_MISC
https://kernel.dance/#04c2a47ffb13c29778e2a14e414…	x_refsource_MISC
https://security.netapp.com/advisory/ntap-2022050…	x_refsource_CONFIRM
http://packetstormsecurity.com/files/167386/Kerne…	x_refsource_MISC

Impacted products

2 products

Vendor	Product	Version
Linux	Kernel	Affected: 5.1.0 , < 5.4.177 (semver) Affected: 5.5.0 , < 5.10.97 (semver) Affected: 5.11.0 , < 5.15.20 (semver) Affected: 5.16.0 , < 5.16.6 (semver) Unaffected: 5.17.0 (semver) Unaffected: 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b5 (git)
linux	linux_kernel	Affected: 0 , < 5.17_rc3 (custom) cpe:2.3:o:linux:linux_kernel::::::::

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.

Action not permitted

GHSA-WMC5-HV62-89G7

CVE-2022-1055 (GCVE-0-2022-1055)

Tags

Sightings

Nomenclature