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

GHSA-5HG9-992P-865C

Vulnerability from github – Published: 2022-05-24 17:28 – Updated: 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"
  },
  "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",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-10768"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10768"
    },
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      "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 (GCVE-0-2020-10768)

Vulnerability from cvelistv5 – Published: 2020-09-15 23:13 – Updated: 2024-08-04 11:14

Summary

Severity ?

5.5 (Medium)


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

CWE

CWE-440

Assigner

redhat

References

URL

Tags

	https://git.kernel.org/pub/scm/linux/kernel/git/t…	x_refsource_MISC
	https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2…	x_refsource_CONFIRM

Impacted products

	Vendor	Product	Version
	Linux Kernel	kernel	Affected: before 5.8-rc1

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JSON

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Sightings

Author	Source	Type	Date

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.

Action not permitted

GHSA-5HG9-992P-865C

CVE-2020-10768 (GCVE-0-2020-10768)

Tags

Sightings

Nomenclature