ghsa-3p95-f3g8-fcgq
Vulnerability from github
Published
2021-12-09 00:01
Modified
2022-04-06 00:02
Severity ?
Details
The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.
{ "affected": [], "aliases": [ "CVE-2018-25020" ], "database_specific": { "cwe_ids": [ "CWE-120" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2021-12-08T05:15:00Z", "severity": "HIGH" }, "details": "The BPF subsystem in the Linux kernel before 4.17 mishandles situations with a long jump over an instruction sequence where inner instructions require substantial expansions into multiple BPF instructions, leading to an overflow. This affects kernel/bpf/core.c and net/core/filter.c.", "id": "GHSA-3p95-f3g8-fcgq", "modified": "2022-04-06T00:02:20Z", "published": "2021-12-09T00:01:14Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-25020" }, { "type": "WEB", "url": "https://github.com/torvalds/linux/commit/050fad7c4534c13c8eb1d9c2ba66012e014773cb" }, { "type": "WEB", "url": "https://security.netapp.com/advisory/ntap-20211229-0005" }, { "type": "WEB", "url": "http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.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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Sightings
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Nomenclature
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- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.