github - ghsa-68fj-98v6-jx78

ghsa-68fj-98v6-jx78

Vulnerability from github

Published

2022-05-24 16:56

Modified

2022-05-24 16:56

Details

In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users' processes via an interrupt. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process, because MSR_TM_ACTIVE is misused in arch/powerpc/kernel/process.c.

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{
  "affected": [],
  "aliases": [
    "CVE-2019-15031"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-200"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2019-09-13T13:15:00Z",
    "severity": "LOW"
  },
  "details": "In the Linux kernel through 5.2.14 on the powerpc platform, a local user can read vector registers of other users\u0027 processes via an interrupt. To exploit the venerability, a local user starts a transaction (via the hardware transactional memory instruction tbegin) and then accesses vector registers. At some point, the vector registers will be corrupted with the values from a different local Linux process, because MSR_TM_ACTIVE is misused in arch/powerpc/kernel/process.c.",
  "id": "GHSA-68fj-98v6-jx78",
  "modified": "2022-05-24T16:56:10Z",
  "published": "2022-05-24T16:56:10Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-15031"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a8318c13e79badb92bc6640704a64cc022a6eb97"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20191004-0001"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4135-1"
    },
    {
      "type": "WEB",
      "url": "https://usn.ubuntu.com/4135-2"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html"
    },
    {
      "type": "WEB",
      "url": "http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2019/09/10/4"
    }
  ],
  "schema_version": "1.4.0",
  "severity": []
}

cve-2019-15031

Vulnerability from cvelistv5

Published

2019-09-13 12:45

Modified

2024-08-05 00:34

Severity ?

Summary

References

▼	URL	Tags
	https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=a8318c13e79badb92bc6640704a64cc022a6eb97	x_refsource_MISC
	http://www.openwall.com/lists/oss-security/2019/09/10/4	x_refsource_MISC
	https://usn.ubuntu.com/4135-2/	vendor-advisory, x_refsource_UBUNTU
	http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html	vendor-advisory, x_refsource_SUSE
	http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html	vendor-advisory, x_refsource_SUSE
	https://usn.ubuntu.com/4135-1/	vendor-advisory, x_refsource_UBUNTU
	https://security.netapp.com/advisory/ntap-20191004-0001/	x_refsource_CONFIRM

Impacted products

▼	Vendor	Product
	n/a	n/a

Show details on NVD website

JSON

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Sightings

Author	Source	Type	Date

Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.

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