CVE-2026-53261None▾ SunlitIn the Linux kernel, the following vulnerability has been resolved: devlink: Release nested relation on devlink free devlink relation state is normally released from devl_unregister(), which calls devlink_rel_put(). This misses devlink…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 2.8 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
In the Linux kernel, the following vulnerability has been resolved:
devlink: Release nested relation on devlink free
devlink relation state is normally released from devl_unregister(), which calls devlink_rel_put(). This misses devlink instances that get a nested relation before registration and then fail probe before devl_register() is reached.
That flow can happen for SFs. The child devlink gets linked to its parent before registration, then a later probe error calls devlink_free() directly. Since the instance was never registered, devl_unregister() is not called and devlink->rel is leaked.
Release any pending relation from devlink_free() as well. The registered path is unchanged because devl_unregister() already clears devlink->rel before devlink_free() runs.
Linux >= c137743bce02b18c1537d4681aa515f7b80bf0a8 < a9137286884703113b1c9e6403bd6d7d97b14754Linux >= c137743bce02b18c1537d4681aa515f7b80bf0a8 < 927f96861f939c0b517d13ed27bf4fabbfc1cfb3Linux >= c137743bce02b18c1537d4681aa515f7b80bf0a8 < 11324d52b0c63f4f202b35793c6507a575e9a689Linux >= c137743bce02b18c1537d4681aa515f7b80bf0a8 < 3522b21fd7e1863d0734537737bd59f1b90d0190Linux 6.7Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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