UNKNOWN NVD
CVE-2026-97980
In the Linux kernel, the following vulnerability has been resolved: s390/debug: Fix NULL pointer dereference in debug_set_level() Commit a2cec6863709 ("s390/d
In the Linux kernel, the following vulnerability has been resolved:
s390/debug: Fix NULL pointer dereference in debug_set_level()
Commit a2cec6863709 ("s390/debug: Add s390dbf kernel parameter")
incorrectly removed a null-id check from debug_set_level(), introducing
a possible NULL pointer dereference for debug-API users that put
debug_register() results unchecked into debug_set_level().
Fix this by moving the check from the internal _debug_set_level()
variant back to the external debug_set_level() wrapper.
References
- https://git.kernel.org/stable/c/716e1cd3783806929407dbd596e6b1118971eb9e
- https://git.kernel.org/stable/c/b1eb31d533cdfcae1011ed53850d52f36afe5774
This unknown severity vulnerability was published on 2026-09-25 via NVD.
vulnfeed aggregates 11443 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.