7.8

CVE-2022-50719: ALSA: line6: fix stack overflow in line6_midi_transmit

Deferred
AliasesUBUNTU-CVE-2022-50719DEBIAN-CVE-2022-50719
Published 24-12-2025Last modified 15-10-2026

Vulnerability summary

CVE-2022-50719 is a high (CVSS 7.8) vulnerability in linux. EPSS estimates a 0.23% chance of exploitation in the next 30 days, higher than 13.6% of scored vulnerabilities.

Priority
Routine

Not severe (CVSS 7.8, local access); no exploitation reported by the 5 checked sources

Source freshness unavailable

How is this decided?
CVSS score
7.8/10
010
High · v3.1 (CVE.org)
EPSS score
0.23%
0%100%
Low · 0.00 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 5

Timeline

  1. 24-12-2025
    PublishedVulnerability first disclosed.
  2. 15-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: line6: fix stack overflow in line6_midi_transmit Correctly calculate available space including the size of the chunk buffer. This fixes a buffer overflow when multiple MIDI sysex messages are sent to a PODxt device.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

0.23%

Chance of exploitation in the next 30 days

Percentile

14%

Versus all other CVEs

30-day change

No change 0.00 pp

From 0.23% 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

No weakness data has been published for this record.

Affected systems

Version check

Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.

Ubuntu121 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)
Debian1 product
  • linux< 6.1.4-1
Linux1 product
  • linux≥ f2459201c72e8f8553644505eed19954d4c3a023, < b026af92b2cea907c780f7168c730c816cd33311 | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < 49cb7737e733013ec86aa77ed2e19b94a68eaa05 | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < 0c76087449ee4ed45a88b10017d02c6694caedb1 | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < 25e8c6ecb46843a955f254b8f0d77894e4a53dc4 | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < 66f359ad66d49f75d39ac729f9114dabf90b81bb | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < 0c9118e381ff538874e00fd4e66a768273c150fb | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < 61e4be4a60cc6de723f8c574ddbcb3025eb44cac | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < 389d34c2a8b52acc351fd932ed4bea41fee5a39b | ≥ f2459201c72e8f8553644505eed19954d4c3a023, < b8800d324abb50160560c636bfafe2c81001b66c | 3.15

3 vendors · 123 products

References

12 links
Show all 12 references