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CVE-2022-50719

ALSA: line6: fix stack overflow in line6_midi_transmit

HIGH
7.8
CVSS Score
Published: December 24, 2025 at 12:22 PM UTC
Updated: October 15, 2026 at 10:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel· Linux
90%
3.15f2459201c72e8f8553644505eed19954d4c3a023
Vendor states this is fixed in 0c76087449ee4ed45a88b10017d02c6694caedb1 (fixed)
Vendor states this is fixed in 0c9118e381ff538874e00fd4e66a768273c150fb (fixed)
Vendor states this is fixed in 25e8c6ecb46843a955f254b8f0d77894e4a53dc4 (fixed)
Vendor states this is fixed in 389d34c2a8b52acc351fd932ed4bea41fee5a39b (fixed)
Vendor states this is fixed in 49cb7737e733013ec86aa77ed2e19b94a68eaa05 (fixed)
Vendor states this is fixed in 61e4be4a60cc6de723f8c574ddbcb3025eb44cac (fixed)
Vendor states this is fixed in 66f359ad66d49f75d39ac729f9114dabf90b81bb (fixed)
Vendor states this is fixed in b026af92b2cea907c780f7168c730c816cd33311 (fixed)
Vendor states this is fixed in b8800d324abb50160560c636bfafe2c81001b66c (fixed)
Vendor states this is fixed in 3.15 (unaffected)
Vendor states this is fixed in 4.14.303 (unaffected)
Vendor states this is fixed in 4.19.270 (unaffected)
Vendor states this is fixed in 4.9.337 (unaffected)
Vendor states this is fixed in 5.10.163 (unaffected)
Vendor states this is fixed in 5.15.87 (unaffected)
Vendor states this is fixed in 5.4.229 (unaffected)
Vendor states this is fixed in 6.0.17 (unaffected)
Vendor states this is fixed in 6.1.3 (unaffected)
Vendor states this is fixed in 6.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (9)

Source: cverecord
https://git.kernel.org/stable/c/b026af92b2cea907c780f7168c730c816cd33311
Source: cverecord
https://git.kernel.org/stable/c/49cb7737e733013ec86aa77ed2e19b94a68eaa05
Source: cverecord
https://git.kernel.org/stable/c/0c76087449ee4ed45a88b10017d02c6694caedb1
Source: cverecord
https://git.kernel.org/stable/c/25e8c6ecb46843a955f254b8f0d77894e4a53dc4
Source: cverecord
https://git.kernel.org/stable/c/66f359ad66d49f75d39ac729f9114dabf90b81bb
Source: cverecord
https://git.kernel.org/stable/c/0c9118e381ff538874e00fd4e66a768273c150fb
Source: cverecord
https://git.kernel.org/stable/c/61e4be4a60cc6de723f8c574ddbcb3025eb44cac
Source: cverecord
https://git.kernel.org/stable/c/389d34c2a8b52acc351fd932ed4bea41fee5a39b

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusDEFERRED

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