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CVE-2024-38545RDMA/hns: Fix UAF for cq async event
- 7.8HighCVSS base score
- 0.25%Exploitation in 30 daysEPSS · top 83% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By Linux
- 1 day later
· 1 day later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.25% · top 83% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 9a4435375cd151e07c0c38fa601b00115986091b – < 330c825e66ef65278e4ebe57fd49c1d6f3f4e34e
- affected 9a4435375cd151e07c0c38fa601b00115986091b – < 763780ef0336a973e933e40e919339381732dcaf
- affected 9a4435375cd151e07c0c38fa601b00115986091b – < 63da190eeb5c9d849b71f457b15b308c94cbaf08
- affected 9a4435375cd151e07c0c38fa601b00115986091b – < 39d26cf46306bdc7ae809ecfdbfeff5aa1098911
- affected 9a4435375cd151e07c0c38fa601b00115986091b – < 37a7559dc1358a8d300437e99ed8ecdab0671507
- affected 9a4435375cd151e07c0c38fa601b00115986091b – < a942ec2745ca864cd8512142100e4027dc306a42
- affected 4.9
- unaffected < 4.9
- unaffected 5.15.168 – ≤ 5.15.*
- unaffected 6.1.93 – ≤ 6.1.*
- unaffected 6.6.33 – ≤ 6.6.*
- unaffected 6.8.12 – ≤ 6.8.*
- unaffected 6.9.3 – ≤ 6.9.*
- unaffected 6.10 – ≤ *
References
References6
- https://git.kernel.org/stable/c/330c825e66ef65278e4ebe57fd49c1d6f3f4e34e (opens in a new tab)
- https://git.kernel.org/stable/c/763780ef0336a973e933e40e919339381732dcaf (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/63da190eeb5c9d849b71f457b15b308c94cbaf08 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/39d26cf46306bdc7ae809ecfdbfeff5aa1098911 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/37a7559dc1358a8d300437e99ed8ecdab0671507 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/a942ec2745ca864cd8512142100e4027dc306a42 (opens in a new tab)x_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-37408 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-38545)Record last updated .