github - ghsa-5hxm-7v87-m497

GHSA-5HXM-7V87-M497

Vulnerability from github – Published: 2024-05-01 15:30 – Updated: 2024-12-26 21:30

Details

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

nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse()

When nvme_identify_ns() fails, it frees the pointer to the struct nvme_id_ns before it returns. However, ns_update_nuse() calls kfree() for the pointer even when nvme_identify_ns() fails. This results in KASAN double-free, which was observed with blktests nvme/045 with proposed patches [1] on the kernel v6.8-rc7. Fix the double-free by skipping kfree() when nvme_identify_ns() fails.

Severity ?

7.8 (High)


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

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  "aliases": [
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    "severity": "HIGH"
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  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse()\n\nWhen nvme_identify_ns() fails, it frees the pointer to the struct\nnvme_id_ns before it returns. However, ns_update_nuse() calls kfree()\nfor the pointer even when nvme_identify_ns() fails. This results in\nKASAN double-free, which was observed with blktests nvme/045 with\nproposed patches [1] on the kernel v6.8-rc7. Fix the double-free by\nskipping kfree() when nvme_identify_ns() fails.",
  "id": "GHSA-5hxm-7v87-m497",
  "modified": "2024-12-26T21:30:34Z",
  "published": "2024-05-01T15:30:37Z",
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      "type": "CVSS_V3"
    }
  ]
}

CVE-2024-27392 (GCVE-0-2024-27392)

Vulnerability from cvelistv5 – Published: 2024-05-01 13:05 – Updated: 2025-05-04 09:04

Summary

In the Linux kernel, the following vulnerability has been resolved: nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse() When nvme_identify_ns() fails, it frees the pointer to the struct nvme_id_ns before it returns. However, ns_update_nuse() calls kfree() for the pointer even when nvme_identify_ns() fails. This results in KASAN double-free, which was observed with blktests nvme/045 with proposed patches [1] on the kernel v6.8-rc7. Fix the double-free by skipping kfree() when nvme_identify_ns() fails.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/534f9dc7fe495b3f9…
	https://git.kernel.org/stable/c/8d0d2447394b13fb2…

Impacted products

Vendor

Product

Version

Linux

Affected: a1a825ab6a60380240ca136596732fdb80bad87a , < 534f9dc7fe495b3f9cc84363898ac50c5a25fccb (git)
Affected: a1a825ab6a60380240ca136596732fdb80bad87a , < 8d0d2447394b13fb22a069f0330f9c49b7fff9d3 (git)

Linux

Affected: 6.8
Unaffected: 0 , < 6.8 (semver)
Unaffected: 6.8.2 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)

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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-5HXM-7V87-M497

CVE-2024-27392 (GCVE-0-2024-27392)

Tags

Sightings

Nomenclature