A memory leak in the cx23888_ir_probe() function in drivers/media/pci/cx23885/cx23888-ir.c in the Linux kernel through 5.3.11 allows attackers to cause a denial of service (memory consumption) by triggering kfifo_alloc() failures, aka CID-a7b2df76b42b.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/torvalds/linux/commit/a7b2df76b42bdd026e3106cf2ba97db41345a177 Patch, Third Party Advisory
- https://github.com/torvalds/linux/commit/a7b2df76b42bdd026e3106cf2ba97db41345a177 Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 4.7 · linux, canonical, fedoraprojectNVD modified 2026-10-08 21:17
Affected (CPE criteria) 38
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:esm:*:*:*cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*cpe:2.3:a:netapp:active_iq_unified_manager:-:*:*:*:*:vmware_vsphere:*:*cpe:2.3:a:netapp:aff_baseboard_management_controller:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:data_availability_services:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.0.0:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.20:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.25:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.30.5r3:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.3r2:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.40.5:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.1:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.2:-:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.50.2:p1:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.0:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.1:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.60.3:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.70.1:*:*:*:*:*:*:*cpe:2.3:a:netapp:e-series_santricity_os_controller:11.70.2:*:*:*:*:*:*:*cpe:2.3:a:netapp:fas\/aff_baseboard_management_controller:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:hci_baseboard_management_controller:h610s:*:*:*:*:*:*:*cpe:2.3:a:netapp:solidfire\,_enterprise_sds_\&_hci_storage_node:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:solidfire_\&_hci_management_node:-:*:*:*:*:*:*:*cpe:2.3:a:netapp:steelstore_cloud_integrated_storage:-:*:*:*:*:*:*:*cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:hci_compute_node_firmware:-:*:*:*:*:*:*:*cpe:2.3:o:netapp:solidfire_baseboard_management_controller_firmware:-:*:*:*:*:*:*:*
References 16
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html Third Party Advisory
- https://github.com/torvalds/linux/commit/a7b2df76b42bdd026e3106cf2ba97db41345a177 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
- https://security.netapp.com/advisory/ntap-20191205-0001/ Third Party Advisory
- https://usn.ubuntu.com/4525-1/ Third Party Advisory
- https://usn.ubuntu.com/4526-1/ Third Party Advisory
- https://usn.ubuntu.com/4527-1/ Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html Third Party Advisory
- https://github.com/torvalds/linux/commit/a7b2df76b42bdd026e3106cf2ba97db41345a177 Patch, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/O3PSDE6PTOTVBK2YTKB2TFQP2SUBVSNF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PY7LJMSPAGRIKABJPDKQDTXYW3L5RX2T/
- https://security.netapp.com/advisory/ntap-20191205-0001/ Third Party Advisory
- https://usn.ubuntu.com/4525-1/ Third Party Advisory
- https://usn.ubuntu.com/4526-1/ Third Party Advisory
- https://usn.ubuntu.com/4527-1/ Third Party Advisory