CVE-2025-38420

Summary

In the Linux kernel, the following vulnerability has been resolved:

wifi: carl9170: do not ping device which has failed to load firmware

Syzkaller reports [1, 2] crashes caused by an attempts to ping the device which has failed to load firmware. Since such a device doesn't pass 'ieee80211_register_hw()', an internal workqueue managed by 'ieee80211_queue_work()' is not yet created and an attempt to queue work on it causes null-ptr-deref.

[1] https://syzkaller.appspot.com/bug?extid=9a4aec827829942045ff [2] https://syzkaller.appspot.com/bug?extid=0d8afba53e8fb2633217

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < 0140d3d37f0f1759d1fdedd854c7875a86e15f8daffected
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < 8a3734a6f4c05fd24605148f21fb2066690d61b3affected
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < 527fad1ae32ffa2d4853a1425fe1c8dbb8c9744caffected
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < bfeede26e97ce4a15a0b961118de4a0e28c9907aaffected
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < 4e9ab5c48ad5153cc908dd29abad0cd2a92951e4affected
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < 301268dbaac8e9013719e162a000202eac8054beaffected
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < 11ef72b3312752c2ff92f3c1e64912be3228ed36affected
LinuxLinuxe4a668c59080f862af3ecc28b359533027cbe434 < 15d25307692312cec4b57052da73387f91a2e870affected
LinuxLinux2.6.38affected
LinuxLinux0 < 2.6.38unaffected
LinuxLinux5.4.295 <= 5.4.*unaffected
LinuxLinux5.10.239 <= 5.10.*unaffected
LinuxLinux5.15.186 <= 5.15.*unaffected
LinuxLinux6.1.142 <= 6.1.*unaffected
LinuxLinux6.6.95 <= 6.6.*unaffected
LinuxLinux6.12.35 <= 6.12.*unaffected
LinuxLinux6.15.4 <= 6.15.*unaffected
LinuxLinux6.16 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

References