github - ghsa-2qpc-wrp3-2p98

GHSA-2QPC-WRP3-2P98

Vulnerability from github – Published: 2025-04-01 18:30 – Updated: 2025-11-03 21:33

Details

In the Linux kernel, the following vulnerability has been resolved:

x86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range()

Xen doesn't offer MSR_FAM10H_MMIO_CONF_BASE to all guests. This results in the following warning:

unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0) Call Trace: xen_read_msr+0x1e/0x30 amd_get_mmconfig_range+0x2b/0x80 quirk_amd_mmconfig_area+0x28/0x100 pnp_fixup_device+0x39/0x50 __pnp_add_device+0xf/0x150 pnp_add_device+0x3d/0x100 pnpacpi_add_device_handler+0x1f9/0x280 acpi_ns_get_device_callback+0x104/0x1c0 acpi_ns_walk_namespace+0x1d0/0x260 acpi_get_devices+0x8a/0xb0 pnpacpi_init+0x50/0x80 do_one_initcall+0x46/0x2e0 kernel_init_freeable+0x1da/0x2f0 kernel_init+0x16/0x1b0 ret_from_fork+0x30/0x50 ret_from_fork_asm+0x1b/0x30

based on quirks for a "PNP0c01" device. Treating MMCFG as disabled is the right course of action, so no change is needed there.

This was most likely exposed by fixing the Xen MSR accessors to not be silently-safe.

Severity ?

5.5 (Medium)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2025-21913"
  ],
  "database_specific": {
    "cwe_ids": [],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2025-04-01T16:15:21Z",
    "severity": "MODERATE"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range()\n\nXen doesn\u0027t offer MSR_FAM10H_MMIO_CONF_BASE to all guests.  This results\nin the following warning:\n\n  unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0)\n  Call Trace:\n   xen_read_msr+0x1e/0x30\n   amd_get_mmconfig_range+0x2b/0x80\n   quirk_amd_mmconfig_area+0x28/0x100\n   pnp_fixup_device+0x39/0x50\n   __pnp_add_device+0xf/0x150\n   pnp_add_device+0x3d/0x100\n   pnpacpi_add_device_handler+0x1f9/0x280\n   acpi_ns_get_device_callback+0x104/0x1c0\n   acpi_ns_walk_namespace+0x1d0/0x260\n   acpi_get_devices+0x8a/0xb0\n   pnpacpi_init+0x50/0x80\n   do_one_initcall+0x46/0x2e0\n   kernel_init_freeable+0x1da/0x2f0\n   kernel_init+0x16/0x1b0\n   ret_from_fork+0x30/0x50\n   ret_from_fork_asm+0x1b/0x30\n\nbased on quirks for a \"PNP0c01\" device.  Treating MMCFG as disabled is the\nright course of action, so no change is needed there.\n\nThis was most likely exposed by fixing the Xen MSR accessors to not be\nsilently-safe.",
  "id": "GHSA-2qpc-wrp3-2p98",
  "modified": "2025-11-03T21:33:22Z",
  "published": "2025-04-01T18:30:50Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-21913"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/0c65d13bdcc54e5b924ebe790f85a7f01bfe1cb1"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/14cb5d83068ecf15d2da6f7d0e9ea9edbcbc0457"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8f43ba5ee498fe037d1570f6868d9aeaf49dda80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/923fede9eae9865af305bcdf8f111e4b62ae4bda"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ebf6a763904e42dabeb2e270ceb0bbe0f825d7ae"
    },
    {
      "type": "WEB",
      "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

CVE-2025-21913 (GCVE-0-2025-21913)

Vulnerability from cvelistv5 – Published: 2025-04-01 15:40 – Updated: 2025-11-03 19:38

Summary

In the Linux kernel, the following vulnerability has been resolved: x86/amd_nb: Use rdmsr_safe() in amd_get_mmconfig_range() Xen doesn't offer MSR_FAM10H_MMIO_CONF_BASE to all guests. This results in the following warning: unchecked MSR access error: RDMSR from 0xc0010058 at rIP: 0xffffffff8101d19f (xen_do_read_msr+0x7f/0xa0) Call Trace: xen_read_msr+0x1e/0x30 amd_get_mmconfig_range+0x2b/0x80 quirk_amd_mmconfig_area+0x28/0x100 pnp_fixup_device+0x39/0x50 __pnp_add_device+0xf/0x150 pnp_add_device+0x3d/0x100 pnpacpi_add_device_handler+0x1f9/0x280 acpi_ns_get_device_callback+0x104/0x1c0 acpi_ns_walk_namespace+0x1d0/0x260 acpi_get_devices+0x8a/0xb0 pnpacpi_init+0x50/0x80 do_one_initcall+0x46/0x2e0 kernel_init_freeable+0x1da/0x2f0 kernel_init+0x16/0x1b0 ret_from_fork+0x30/0x50 ret_from_fork_asm+0x1b/0x30 based on quirks for a "PNP0c01" device. Treating MMCFG as disabled is the right course of action, so no change is needed there. This was most likely exposed by fixing the Xen MSR accessors to not be silently-safe.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/0c65d13bdcc54e5b9…
	https://git.kernel.org/stable/c/8f43ba5ee498fe037…
	https://git.kernel.org/stable/c/ebf6a763904e42dab…
	https://git.kernel.org/stable/c/923fede9eae9865af…
	https://git.kernel.org/stable/c/14cb5d83068ecf15d…

Impacted products

Vendor

Product

Version

Linux

Affected: 3fac3734c43a2e21fefeb72124d8bd31dff3956f , < 0c65d13bdcc54e5b924ebe790f85a7f01bfe1cb1 (git)
Affected: 3fac3734c43a2e21fefeb72124d8bd31dff3956f , < 8f43ba5ee498fe037d1570f6868d9aeaf49dda80 (git)
Affected: 3fac3734c43a2e21fefeb72124d8bd31dff3956f , < ebf6a763904e42dabeb2e270ceb0bbe0f825d7ae (git)
Affected: 3fac3734c43a2e21fefeb72124d8bd31dff3956f , < 923fede9eae9865af305bcdf8f111e4b62ae4bda (git)
Affected: 3fac3734c43a2e21fefeb72124d8bd31dff3956f , < 14cb5d83068ecf15d2da6f7d0e9ea9edbcbc0457 (git)

Linux

Affected: 6.1
Unaffected: 0 , < 6.1 (semver)
Unaffected: 6.1.131 , ≤ 6.1.* (semver)
Unaffected: 6.6.83 , ≤ 6.6.* (semver)
Unaffected: 6.12.19 , ≤ 6.12.* (semver)
Unaffected: 6.13.7 , ≤ 6.13.* (semver)
Unaffected: 6.14 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

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        "references": [
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            "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"
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        {
          "url": "https://git.kernel.org/stable/c/923fede9eae9865af305bcdf8f111e4b62ae4bda"
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        {
          "url": "https://git.kernel.org/stable/c/14cb5d83068ecf15d2da6f7d0e9ea9edbcbc0457"
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    "datePublished": "2025-04-01T15:40:50.907Z",
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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-2QPC-WRP3-2P98

CVE-2025-21913 (GCVE-0-2025-21913)

Tags

Sightings

Nomenclature