What’s Vulnerable › Vulnerabilities

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

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-12-24 · updated 2026-10-15

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 products

• Linux kernel: 3.15 — fixed in 6.2

How to fix

Upgrade to a fixed version: Linux kernel 6.2. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/0c76087449ee4ed45a88b10017d02c6694caedb1
• https://git.kernel.org/stable/c/0c9118e381ff538874e00fd4e66a768273c150fb
• https://git.kernel.org/stable/c/25e8c6ecb46843a955f254b8f0d77894e4a53dc4
• https://git.kernel.org/stable/c/389d34c2a8b52acc351fd932ed4bea41fee5a39b
• https://git.kernel.org/stable/c/49cb7737e733013ec86aa77ed2e19b94a68eaa05
• https://git.kernel.org/stable/c/61e4be4a60cc6de723f8c574ddbcb3025eb44cac
• https://git.kernel.org/stable/c/66f359ad66d49f75d39ac729f9114dabf90b81bb
• https://git.kernel.org/stable/c/b026af92b2cea907c780f7168c730c816cd33311
• https://git.kernel.org/stable/c/b8800d324abb50160560c636bfafe2c81001b66c

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