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CVE-2022-48730
dma-buf: heaps: Fix potential spectre v1 gadget
Medium5.5EPSS 0.26%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec. [sumits: added fixes and cc: stable tags]
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.26% · top 83% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected c02a81fba74fe3488ad6b08bfb5a1329005418f8 – < 5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a
- affected c02a81fba74fe3488ad6b08bfb5a1329005418f8 – < 24f8e12d965b24f8aea762589e0e9fe2025c005e
- affected c02a81fba74fe3488ad6b08bfb5a1329005418f8 – < cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed
- affected c02a81fba74fe3488ad6b08bfb5a1329005418f8 – < 92c4cfaee6872038563c5b6f2e8e613f9d84d47d
- affected 5.6
- unaffected < 5.6
- unaffected 5.10.99 – ≤ 5.10.*
- unaffected 5.15.22 – ≤ 5.15.*
- unaffected 5.16.8 – ≤ 5.16.*
- unaffected 5.17 – ≤ *
References (4)
- https://git.kernel.org/stable/c/5d40f1bdad3dd1a177f21a90ad4353c1ed40ba3a (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/24f8e12d965b24f8aea762589e0e9fe2025c005e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/cc8f7940d9c2d45f67b3d1a2f2b7a829ca561bed (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/92c4cfaee6872038563c5b6f2e8e613f9d84d47d (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)
- 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://trackcve.app/cve/CVE-2022-48730)Record last updated .