CVE-2022-50876: linux
Vulnerability summary
CVE-2022-50876 is a vulnerability in linux with no CVSS score yet. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 6 · Related 6Timeline
- 30-12-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: usb: musb: Fix musb_gadget.c rxstate overflow bug The usb function device call musb_gadget_queue() adds the passed request to musb_ep::req_list,If the (request->length > musb_ep->packet_sz) and (is_buffer_mapped(req) return false),the rxstate() will copy all data in fifo to request->buf which may cause request->buf out of bounds. Fix it by add the length check : fifocnt = min_t(unsigned, request->length - request->actual, fifocnt);
CVSS metrics
Risk metrics not yet published.
EPSS trend
Probability
0.23%
Chance of exploitation in the next 30 days
Percentile
13%
Versus all other CVEs
30-day change
+0.01 pp
From 0.23% on 21-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Ubuntu121 products
- linuxAll versions (No fix recorded) | < 4.15.0-204.215 | < 5.4.0-139.156 | < 5.15.0-60.66
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 4.15.0-1150.163 | < 5.4.0-1096.104 | < 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≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < 826f84ab04a5cafe484ea9c2c85a3930068e5cb7 | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < a1008c8b9f357691ce6a8fdb8f157aecb2d79167 | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < 7c80f3a918ba9aa26fb699ee887064ec3af0396a | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < d6afcab1b48f4051211c50145b9e91be3b1b42c9 | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < acf0006f2b2b2ca672988875fd154429aafb2a9b | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < 3c84c7f592c4ba38f54ddaddd0115acc443025db | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < a9ccd2ab1becf5dcb6d57e9fcd981f5eaa606c96 | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < 523313881f0aa5cbbdb548ce575b6e58b202bd76 | ≥ 03840fad004ce8a56bc8b3bb60a2df10f6f9481e, < eea4c860c3b366369eff0489d94ee4f0571d467d | 4.3
3 vendors · 123 products