CVE-2022-50748: ipc: mqueue: fix possible memory leak in init_mqueue_fs()
Vulnerability summary
CVE-2022-50748 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.24% chance of exploitation in the next 30 days, higher than 14.5% of scored vulnerabilities.
No CVSS vector published; no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 1Timeline
- 24-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ipc: mqueue: fix possible memory leak in init_mqueue_fs() commit db7cfc380900 ("ipc: Free mq_sysctls if ipc namespace creation failed") Here's a similar memory leak to the one fixed by the patch above. retire_mq_sysctls need to be called when init_mqueue_fs fails after setup_mq_sysctls.
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.24%
Chance of exploitation in the next 30 days
Percentile
15%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.24% 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: not stated in public data.
Ubuntu113 products
- linuxAll versions (No fix recorded)
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded)
- 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≥ dc55e35f9e810f23dd69cfdc91a3d636023f57a2, < a1f321051e0dcf2415fb94f81fdc5044cad4c1d6 | ≥ dc55e35f9e810f23dd69cfdc91a3d636023f57a2, < 55b3709c6d68e32cd3fdd2a630b1f4c97d51b17c | ≥ dc55e35f9e810f23dd69cfdc91a3d636023f57a2, < c579d60f0d0cd87552f64fdebe68b5d941d20309 | 5.19
3 vendors · 115 products