CVE-2025-38420
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.
Does this matter?
Lower severity and a low EPSS score (0.17%). Track it; it rarely justifies an emergency change on its own.
Description
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
- CVSS 3.1
- 5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 0.17% probability · 7th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-476
- Affected
- linux/linux kernel · debian/debian linux
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/0140d3d37f0f1759d1fdedd854c7875a86e15f8dPatch
- https://git.kernel.org/stable/c/11ef72b3312752c2ff92f3c1e64912be3228ed36Patch
- https://git.kernel.org/stable/c/15d25307692312cec4b57052da73387f91a2e870Patch
- https://git.kernel.org/stable/c/301268dbaac8e9013719e162a000202eac8054bePatch
- https://git.kernel.org/stable/c/4e9ab5c48ad5153cc908dd29abad0cd2a92951e4Patch
- https://git.kernel.org/stable/c/527fad1ae32ffa2d4853a1425fe1c8dbb8c9744cPatch
- https://git.kernel.org/stable/c/8a3734a6f4c05fd24605148f21fb2066690d61b3Patch
- https://git.kernel.org/stable/c/bfeede26e97ce4a15a0b961118de4a0e28c9907aPatch
- https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2025/10/msg00008.htmlMailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.