github - ghsa-9q69-f33x-263w

ghsa-9q69-f33x-263w

Vulnerability from github

Published

2022-02-19 00:01

Modified

2023-06-30 18:31

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Details

A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.

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{
  "affected": [],
  "aliases": [
    "CVE-2021-20320"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-18T18:15:00Z",
    "severity": "MODERATE"
  },
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  "id": "GHSA-9q69-f33x-263w",
  "modified": "2023-06-30T18:31:00Z",
  "published": "2022-02-19T00:01:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-20320"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2010090"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh@anyfinetworks.com"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2021-20320 (GCVE-0-2021-20320)

Vulnerability from cvelistv5

Published

2022-02-18 17:50

Modified

2024-08-03 17:37

Severity ?

CWE

CWE-200

Summary

A flaw was found in s390 eBPF JIT in bpf_jit_insn in arch/s390/net/bpf_jit_comp.c in the Linux kernel. In this flaw, a local attacker with special user privilege can circumvent the verifier and may lead to a confidentiality problem.

References

URL

Tags

	https://bugzilla.redhat.com/show_bug.cgi?id=2010090	x_refsource_MISC
	https://lore.kernel.org/bpf/20210902185229.1840281-1-johan.almbladh%40anyfinetworks.com/	x_refsource_MISC

Impacted products

	Vendor	Product	Version
	n/a	kernel	Version: kernel 5.15 rc3

Show details on NVD website

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