github - ghsa-5hg9-992p-865c

ghsa-5hg9-992p-865c

Vulnerability from github

Published

2022-05-24 17:28

Modified

2022-05-24 17:28

Details

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.

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  "affected": [],
  "aliases": [
    "CVE-2020-10768"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-09-16T00:15:00Z",
    "severity": "MODERATE"
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  "details": "A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being \u0027force disabled\u0027 when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.",
  "id": "GHSA-5hg9-992p-865c",
  "modified": "2022-05-24T17:28:22Z",
  "published": "2022-05-24T17:28:22Z",
  "references": [
    {
      "type": "ADVISORY",
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    },
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      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10768"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d8df8cbb9156b0a0ab3f802b80cb5db57acc0bf"
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  "schema_version": "1.4.0",
  "severity": []
}

cve-2020-10768

Vulnerability from cvelistv5

Published

2020-09-15 23:13

Modified

2024-08-04 11:14

Severity ?

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

Summary

A flaw was found in the Linux Kernel before 5.8-rc1 in the prctl() function, where it can be used to enable indirect branch speculation after it has been disabled. This call incorrectly reports it as being 'force disabled' when it is not and opens the system to Spectre v2 attacks. The highest threat from this vulnerability is to confidentiality.

References

▼	URL	Tags
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d8df8cbb9156b0a0ab3f802b80cb5db57acc0bf	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10768	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	Linux Kernel	kernel

Show details on NVD website

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