CVE-2022-50876: linux

CVSS: UnknownDeferred
AliasesUBUNTU-CVE-2022-50876DEBIAN-CVE-2022-50876
Published 30-12-2025Last modified 11-05-2026

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.

Overall risk
0/100
0100
Minimal · default modelHow is this calculated?
CVSS score
Not scored
010
No CVSS score recorded
EPSS score
0.23%
0%100%
Low · +0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 6 · Related 6

Timeline

  1. 30-12-2025
    PublishedVulnerability first disclosed.
  2. 11-05-2026
    Last 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

21-09-202621-10-2026
EPSS score
0.23%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

No 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

References

13 links
Show all 13 references