5.5

CVE-2022-50353: mmc: wmt-sdmmc: fix return value check of mmc_add_host()

Modified
AliasesUBUNTU-CVE-2022-50353DEBIAN-CVE-2022-50353
Published 17-09-2025Last modified 11-05-2026

Vulnerability summary

CVE-2022-50353 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 10.3% 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
0.20%
0%100%
Low · +0.01 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-2024:9315SUSE-SU-2025:03615-1SUSE-SU-2025:03628-1SUSE-SU-2025:3716-1SUSE-SU-2025:3761-1

Timeline

  1. 17-09-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: mmc: wmt-sdmmc: fix return value check of mmc_add_host() mmc_add_host() may return error, if we ignore its return value, the memory that allocated in mmc_alloc_host() will be leaked and it will lead a kernel crash because of deleting not added device in the remove path. So fix this by checking the return value and goto error path which will call mmc_free_host(), besides, clk_disable_unprepare() also needs be called.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.20%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

Increase +0.01 pp

From 0.20% 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.

Ubuntu120 products
  • linuxAll versions (No fix recorded) | < 4.15.0-208.220 | < 5.4.0-144.161 | < 5.15.0-69.76
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-awsAll versions (No fix recorded) | < 4.15.0-1153.166 | < 5.4.0-1097.105 | < 5.15.0-1033.37
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Linux2 products
  • linux≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < 70b0620afab3c69d95a7e2dd7ceff162a21c4009 | ≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < ecd6f77af3478f5223aa4011642a891b7dc91228 | ≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < c7a328cea791cc2769b6417943939420913b4a46 | ≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < 9bedf64dda84b29151e41591d8ded9ff0e6d336a | ≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < 58c3a8d0f1abeb1ca5c2df948be58ad4f7bb6f67 | ≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < b40ac3b696a9c84b36211ef0c3f5a422650c101b | ≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < eb7a2d516d4fbd165c07877a20feccb047342b1f | ≥ 3a96dff0f828ae9dfb43efd49a9b67a74c6dc360, < 29276d56f6ed138db0f38cd31aedc0b725c8c76c | 3.8
  • linux_kernel≥ 3.8, < 4.14.303 | ≥ 4.15, < 4.19.270 | ≥ 4.20, < 5.4.229 | ≥ 5.5, < 5.10.163 | ≥ 5.11, < 5.15.86 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2
Debian1 product
  • linux< 6.1.4-1

3 vendors · 123 products

References

12 links
Show all 12 references