CVE-2025-38420
wifi: carl9170: do not ping device which has failed to load firmware
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
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
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jul 25, 2025 |
| Last Updated | May 11, 2026 |
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Affected Versions
Linux / Linux
e4a668c59080f862af3ecc28b359533027cbe434 < 0140d3d37f0f1759d1fdedd854c7875a86e15f8d e4a668c59080f862af3ecc28b359533027cbe434 < 8a3734a6f4c05fd24605148f21fb2066690d61b3 e4a668c59080f862af3ecc28b359533027cbe434 < 527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c e4a668c59080f862af3ecc28b359533027cbe434 < bfeede26e97ce4a15a0b961118de4a0e28c9907a e4a668c59080f862af3ecc28b359533027cbe434 < 4e9ab5c48ad5153cc908dd29abad0cd2a92951e4 e4a668c59080f862af3ecc28b359533027cbe434 < 301268dbaac8e9013719e162a000202eac8054be e4a668c59080f862af3ecc28b359533027cbe434 < 11ef72b3312752c2ff92f3c1e64912be3228ed36 e4a668c59080f862af3ecc28b359533027cbe434 < 15d25307692312cec4b57052da73387f91a2e870
Linux / Linux
2.6.38
References
git.kernel.org: https://git.kernel.org/stable/c/0140d3d37f0f1759d1fdedd854c7875a86e15f8d git.kernel.org: https://git.kernel.org/stable/c/8a3734a6f4c05fd24605148f21fb2066690d61b3 git.kernel.org: https://git.kernel.org/stable/c/527fad1ae32ffa2d4853a1425fe1c8dbb8c9744c git.kernel.org: https://git.kernel.org/stable/c/bfeede26e97ce4a15a0b961118de4a0e28c9907a git.kernel.org: https://git.kernel.org/stable/c/4e9ab5c48ad5153cc908dd29abad0cd2a92951e4 git.kernel.org: https://git.kernel.org/stable/c/301268dbaac8e9013719e162a000202eac8054be git.kernel.org: https://git.kernel.org/stable/c/11ef72b3312752c2ff92f3c1e64912be3228ed36 git.kernel.org: https://git.kernel.org/stable/c/15d25307692312cec4b57052da73387f91a2e870 lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html lists.debian.org: https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html