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CVE-2022-50482
iommu/vt-d: Clean up si_domain in the init_dmars() error path
Medium5.5EPSS 0.16%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Clean up si_domain in the init_dmars() error path A splat from kmem_cache_destroy() was seen with a kernel prior to commit ee2653bbe89d ("iommu/vt-d: Remove domain and devinfo mempool") when there was a failure in init_dmars(), because the iommu_domain cache still had objects. While the mempool code is now gone, there still is a leak of the si_domain memory if init_dmars() fails. So clean up si_domain in the init_dmars() error path.
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:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 94% 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 86080ccc223aabf8d0b85a504f4f06aa88e82fb3 – < 749bea542b67513e99240dc58bbfc099e842d508
- affected 86080ccc223aabf8d0b85a504f4f06aa88e82fb3 – < 5cecfe151874b835331efe086bbdcaeaf64f6b90
- affected 86080ccc223aabf8d0b85a504f4f06aa88e82fb3 – < 724483b585a1b1e063d42ac5aa835707ff2ec165
- affected 86080ccc223aabf8d0b85a504f4f06aa88e82fb3 – < d74196bb278b8f8af88e16bd595997dfa3d6fdb0
- affected 86080ccc223aabf8d0b85a504f4f06aa88e82fb3 – < 0365d6af75f9f2696e94a0fef24a2c8464c037c8
- affected 86080ccc223aabf8d0b85a504f4f06aa88e82fb3 – < c4ad3ae4c6be9d8b0701761c839771116bca6ea3
- affected 86080ccc223aabf8d0b85a504f4f06aa88e82fb3 – < 620bf9f981365c18cc2766c53d92bf8131c63f32
- affected 4.2
- unaffected < 4.2
- unaffected 4.14.298 – ≤ 4.14.*
- unaffected 4.19.264 – ≤ 4.19.*
- unaffected 5.4.221 – ≤ 5.4.*
- unaffected 5.10.152 – ≤ 5.10.*
- unaffected 5.15.76 – ≤ 5.15.*
- unaffected 6.0.6 – ≤ 6.0.*
- unaffected 6.1 – ≤ *
References (7)
- https://git.kernel.org/stable/c/749bea542b67513e99240dc58bbfc099e842d508 (opens in a new tab)
- https://git.kernel.org/stable/c/5cecfe151874b835331efe086bbdcaeaf64f6b90 (opens in a new tab)
- https://git.kernel.org/stable/c/724483b585a1b1e063d42ac5aa835707ff2ec165 (opens in a new tab)
- https://git.kernel.org/stable/c/d74196bb278b8f8af88e16bd595997dfa3d6fdb0 (opens in a new tab)
- https://git.kernel.org/stable/c/0365d6af75f9f2696e94a0fef24a2c8464c037c8 (opens in a new tab)
- https://git.kernel.org/stable/c/c4ad3ae4c6be9d8b0701761c839771116bca6ea3 (opens in a new tab)
- https://git.kernel.org/stable/c/620bf9f981365c18cc2766c53d92bf8131c63f32 (opens in a new tab)
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)
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[](https://trackcve.app/cve/CVE-2022-50482)Record last updated .