5.5

CVE-2022-49746: dmaengine: imx-sdma: Fix a possible memory leak in sdma_transfer_init

Modified
AliasesUBUNTU-CVE-2022-49746DEBIAN-CVE-2022-49746
Published 27-03-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-49746 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.19% chance of exploitation in the next 30 days, higher than 9.2% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
5.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.19%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 4
RHSA-2023:6583SUSE-SU-2025:1176-1SUSE-SU-2025:1183-1SUSE-SU-2025:1195-1SUSE-SU-2025:1241-1

Timeline

  1. 27-03-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.19%

Chance of exploitation in the next 30 days

Percentile

9%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.19% on 04-10-2026

04-10-202603-11-2026

Known exploited

Compare KEV catalogs
CISA KEV

Not in the CISA KEV catalog.

ENISA CNW

Not in the ENISA CNW catalog.

CIRCL

Not in the CIRCL catalog.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu114 products
  • linuxAll versions (No fix recorded) | < 5.4.0-147.164 | < 5.15.0-70.77
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 5.4.0-1100.108 | < 5.15.0-1034.38
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 21420841a554dae8a193cd3454ba91d913cfc320, < 80ee99e52936b2c04cc37b17a14b2ae2f9d282ac | ≥ 21420841a554dae8a193cd3454ba91d913cfc320, < dbe634ce824329d8f14079c3e9f8f11670894bec | ≥ 21420841a554dae8a193cd3454ba91d913cfc320, < bd0050b7ffa87c7b260d563646af612f4112a778 | ≥ 21420841a554dae8a193cd3454ba91d913cfc320, < 43acd767bd90c5d4172ce7fee5d9007a9a08dea9 | ≥ 21420841a554dae8a193cd3454ba91d913cfc320, < ce4745a6b8016fae74c95dcd457d4ceef7d98af1 | ≥ 21420841a554dae8a193cd3454ba91d913cfc320, < 1417f59ac0b02130ee56c0c50794b9b257be3d17 | 4.19
  • linux_kernel< 4.19.272 | ≥ 4.20, < 5.4.231 | ≥ 5.5, < 5.10.167 | ≥ 5.11, < 5.15.92 | ≥ 5.16, < 6.1.10 | 6.2:rc1 | 6.2:rc2 | 6.2:rc3 | 6.2:rc4
Debian1 product
  • linux< 6.1.11-1

3 vendors · 117 products

References

10 links