DEBIAN-CVE-2022-50421

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Source
https://security-tracker.debian.org/tracker/CVE-2022-50421
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2022-50421.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2022-50421
Upstream
Published
2025-10-01T12:15:33Z
Modified
2025-10-02T09:01:18Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Avoid double destroy of default endpoint The rpmsgdevremove() in rpmsgcore is the place for releasing this default endpoint. So need to avoid destroying the default endpoint in rpmsgchrdeveptdevdestroy(), this should be the same as rpmsgeptdevrelease(). Otherwise there will be double destroy issue that ept->refcount report warning: refcountt: underflow; use-after-free. Call trace: refcountwarnsaturate+0xf8/0x150 virtiorpmsgdestroyept+0xd4/0xec rpmsgdevremove+0x60/0x70 The issue can be reproduced by stopping remoteproc before closing the /dev/rpmsgX.

References

Affected packages

Debian:12 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:14 / linux

Package

Name
linux
Purl
pkg:deb/debian/linux?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.0.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}