github - ghsa-w738-qp3q-hrfg

GHSA-W738-QP3Q-HRFG

Vulnerability from github – Published: 2024-06-19 15:30 – Updated: 2024-10-17 15:31

Details

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

RDMA/hns: Fix UAF for cq async event

The refcount of CQ is not protected by locks. When CQ asynchronous events and CQ destruction are concurrent, CQ may have been released, which will cause UAF.

Use the xa_lock() to protect the CQ refcount.

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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{
  "affected": [],
  "aliases": [
    "CVE-2024-38545"
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  "database_specific": {
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  "id": "GHSA-w738-qp3q-hrfg",
  "modified": "2024-10-17T15:31:07Z",
  "published": "2024-06-19T15:30:52Z",
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CVE-2024-38545 (GCVE-0-2024-38545)

Vulnerability from cvelistv5 – Published: 2024-06-19 13:35 – Updated: 2025-05-04 09:13

Summary

In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix UAF for cq async event The refcount of CQ is not protected by locks. When CQ asynchronous events and CQ destruction are concurrent, CQ may have been released, which will cause UAF. Use the xa_lock() to protect the CQ refcount.

Severity ?

No CVSS data available.

Assigner

Linux

References

URL

Tags

	https://git.kernel.org/stable/c/330c825e66ef65278…
	https://git.kernel.org/stable/c/763780ef0336a973e…
	https://git.kernel.org/stable/c/63da190eeb5c9d849…
	https://git.kernel.org/stable/c/39d26cf46306bdc7a…
	https://git.kernel.org/stable/c/37a7559dc1358a8d3…
	https://git.kernel.org/stable/c/a942ec2745ca864cd…

Impacted products

Vendor

Product

Version

Linux

Affected: 9a4435375cd151e07c0c38fa601b00115986091b , < 330c825e66ef65278e4ebe57fd49c1d6f3f4e34e (git)
Affected: 9a4435375cd151e07c0c38fa601b00115986091b , < 763780ef0336a973e933e40e919339381732dcaf (git)
Affected: 9a4435375cd151e07c0c38fa601b00115986091b , < 63da190eeb5c9d849b71f457b15b308c94cbaf08 (git)
Affected: 9a4435375cd151e07c0c38fa601b00115986091b , < 39d26cf46306bdc7ae809ecfdbfeff5aa1098911 (git)
Affected: 9a4435375cd151e07c0c38fa601b00115986091b , < 37a7559dc1358a8d300437e99ed8ecdab0671507 (git)
Affected: 9a4435375cd151e07c0c38fa601b00115986091b , < a942ec2745ca864cd8512142100e4027dc306a42 (git)

Linux

Affected: 4.9
Unaffected: 0 , < 4.9 (semver)
Unaffected: 5.15.168 , ≤ 5.15.* (semver)
Unaffected: 6.1.93 , ≤ 6.1.* (semver)
Unaffected: 6.6.33 , ≤ 6.6.* (semver)
Unaffected: 6.8.12 , ≤ 6.8.* (semver)
Unaffected: 6.9.3 , ≤ 6.9.* (semver)
Unaffected: 6.10 , ≤ * (original_commit_for_fix)

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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-W738-QP3Q-HRFG

CVE-2024-38545 (GCVE-0-2024-38545)

Tags

Sightings

Nomenclature