DEBIAN-CVE-2024-53211

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Source
https://security-tracker.debian.org/tracker/DEBIAN-CVE-2024-53211
Import Source
https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-53211.json
JSON Data
https://api.test.osv.dev/v1/vulns/DEBIAN-CVE-2024-53211
Upstream
Published
2024-12-27T14:15:29Z
Modified
2025-09-19T06:09:17Z
Summary
[none]
Details

In the Linux kernel, the following vulnerability has been resolved: net/l2tp: fix warning in l2tpexitnet found by syzbot In l2tp's net exit handler, we check that an IDR is empty before destroying it: WARNONONCE(!idrisempty(&pn->l2tptunnelidr)); idrdestroy(&pn->l2tptunnelidr); By forcing memory allocation failures in idralloc32, syzbot is able to provoke a condition where idrisempty returns false despite there being no items in the IDR. This turns out to be because the radix tree of the IDR contains only internal radix-tree nodes and it is this that causes idrisempty to return false. The internal nodes are cleaned by idrdestroy. Use idrforeach to check that the IDR is empty instead of idrisempty to avoid the problem.

References

Affected packages

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
6.12.3-1

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
6.12.3-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}