CVE-2022-49746
dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init If the function sdma_load_context() fails, the sdma_desc will be freed, but the allocated desc->bd is forgot to be freed. We already met the sdma_load_context() failure case and the log as below: [ 450.699064] imx-sdma 30bd0000.dma-controller: Timeout waiting for CH0 ready ... In this case, the desc->bd will not be freed without this change.
Timeline
ID reserved
By Linux
Published
- 14 months later
· 14 months 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 |
|---|---|---|---|
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 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)
- 0.19% · top 91% of all CVEs (7 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Weakness
Affected products
- affected 21420841a554dae8a193cd3454ba91d913cfc320 – < 80ee99e52936b2c04cc37b17a14b2ae2f9d282ac
- affected 21420841a554dae8a193cd3454ba91d913cfc320 – < dbe634ce824329d8f14079c3e9f8f11670894bec
- affected 21420841a554dae8a193cd3454ba91d913cfc320 – < bd0050b7ffa87c7b260d563646af612f4112a778
- affected 21420841a554dae8a193cd3454ba91d913cfc320 – < 43acd767bd90c5d4172ce7fee5d9007a9a08dea9
- affected 21420841a554dae8a193cd3454ba91d913cfc320 – < ce4745a6b8016fae74c95dcd457d4ceef7d98af1
- affected 21420841a554dae8a193cd3454ba91d913cfc320 – < 1417f59ac0b02130ee56c0c50794b9b257be3d17
- affected 4.19
- unaffected < 4.19
- unaffected 4.19.272 – ≤ 4.19.*
- unaffected 5.4.231 – ≤ 5.4.*
- unaffected 5.10.167 – ≤ 5.10.*
- unaffected 5.15.92 – ≤ 5.15.*
- unaffected 6.1.10 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (6)
- https://git.kernel.org/stable/c/80ee99e52936b2c04cc37b17a14b2ae2f9d282ac (opens in a new tab)
- https://git.kernel.org/stable/c/dbe634ce824329d8f14079c3e9f8f11670894bec (opens in a new tab)
- https://git.kernel.org/stable/c/bd0050b7ffa87c7b260d563646af612f4112a778 (opens in a new tab)
- https://git.kernel.org/stable/c/43acd767bd90c5d4172ce7fee5d9007a9a08dea9 (opens in a new tab)
- https://git.kernel.org/stable/c/ce4745a6b8016fae74c95dcd457d4ceef7d98af1 (opens in a new tab)
- https://git.kernel.org/stable/c/1417f59ac0b02130ee56c0c50794b9b257be3d17 (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)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-49746)Record last updated .