CVE-2026-98837Medium· 5.5▾ SunlitA flaw was found in the Linux kernel's ALSA caiaq USB audio driver. This flaw allows a local attacker to cause a Denial of Service (DoS) or potentially escalate privileges. When device initialization fails during the probing process, the d…
▾ Sunlit zone — Low / medium · no exploitation signal
impact 30.3 · likelihood 0 · exploitation 0
Need a working PoC? Pro members can cast a request and our team develops one — it lands right here.
Exploit-prediction probability, daily snapshots since Oct 20.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CSAF
0.2%
Last analysed / modified upstream
— → 5.5
none → medium
A flaw was found in the Linux kernel's ALSA caiaq USB audio driver. This flaw allows a local attacker to cause a Denial of Service (DoS) or potentially escalate privileges. When device initialization fails during the probing process, the driver frees internal device state structures while leaving the associated input device registered in the operating system. Accessing device attributes on this dangling input device subsequently triggers a use-after-free condition, leading to a system crash or kernel memory corruption.
kernel: ALSA: caiaq: unregister the input device when probe fails — rated Moderate by Red Hat. Released 2026-10-18, updated 2026-10-23.
Affected:
No fix planned:
Not affected:
Out of support scope
Field changes observed since this record was first indexed.
Connected by shared product, vendor, weakness, or advisory.
CVE-2026-80764Medium· 4.7kernel: Bluetooth: hci_event: fix LE list UAF on reset (CVE-2026-80764)
CVE-2026-74264Medium· 4.7kernel: net: watchdog: fix refcount tracking races (CVE-2026-74264)
CVE-2026-64554High· 7.0kernel: netfilter: bridge: fix stale prevhdr pointer in br_ip6_fragment() (CVE-2026-64554)
CVE-2026-64475High· 7.0kernel: vfio/pci: Release the VGA arbiter client on register_device() failure (CVE-2026-64475)
CVE-2025-68793High· 7.0kernel: Linux kernel: `drm/amdgpu` use-after-free vulnerability leading to denial of service (CVE-2025-68793)
CVE-2026-109729Medium· 5.4Use-after-free in the JavaScript Engine: JIT component