CVE-2021-46962: mmc: uniphier-sd: Fix a resource leak in the remove function
Vulnerability summary
CVE-2021-46962 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.7% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 27-02-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: mmc: uniphier-sd: Fix a resource leak in the remove function A 'tmio_mmc_host_free()' call is missing in the remove function, in order to balance a 'tmio_mmc_host_alloc()' call in the probe. This is done in the error handling path of the probe, but not in the remove function. Add the missing call.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
14%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.23% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu82 products
- linux< 5.4.0-77.86
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1051.53
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 3fd784f745dd1747863775a99ec749619ee6759c, < 0d8941b9b2d3e7b3481fdf43b1a6189d162175b7 | ≥ 3fd784f745dd1747863775a99ec749619ee6759c, < 25ac6ce65f1ab458982d15ec1caf441acd37106a | ≥ 3fd784f745dd1747863775a99ec749619ee6759c, < ebe0f12cf4c044f812c6d17011531582f9ac8bb3 | ≥ 3fd784f745dd1747863775a99ec749619ee6759c, < d6e7fda496978f2763413b5523557b38dc2bf6c2 | ≥ 3fd784f745dd1747863775a99ec749619ee6759c, < e29c84857e2d51aa017ce04284b962742fb97d9e | 4.20
- linux_kernel≥ 4.20, < 5.4.118 | ≥ 5.5, < 5.10.36 | ≥ 5.11, < 5.11.20 | ≥ 5.12, < 5.12.3
Debian1 product
- linux< 5.10.38-1
3 vendors · 85 products