CVE-2022-50622: ext4: fix potential memory leak in ext4_fc_record_modified_inode()
Vulnerability summary
CVE-2022-50622 is a low (CVSS 2.3) vulnerability in linux. EPSS estimates a 0.20% chance of exploitation in the next 30 days, higher than 9.8% of scored vulnerabilities.
Not severe (CVSS 2.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 08-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential memory leak in ext4_fc_record_modified_inode() As krealloc may return NULL, in this case 'state->fc_modified_inodes' may not be freed by krealloc, but 'state->fc_modified_inodes' already set NULL. Then will lead to 'state->fc_modified_inodes' memory leak.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
0.20%
Chance of exploitation in the next 30 days
Percentile
10%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.20% 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: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu121 products
- linuxAll versions (No fix recorded) | < 5.15.0-60.66
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1030.34
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian1 product
- linux< 6.0.3-1
Linux1 product
- linux≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < c9ce7766dc4e88e624c62a68221a3bbe8f06e856 | ≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < 9b5eb368a86f97eb9831f5b53b8e43ec69bc7cd4 | ≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < c0be17635f039f864b1108efec0015c73736e414 | ≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < 24d39affc6be1acf6df86a8c3e2413b8a73749c7 | ≥ 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2, < 9305721a309fa1bd7c194e0d4a2335bf3b29dca4 | 5.10
3 vendors · 123 products