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BELL-CVE-2026-89874

Affected: Alpaquita:25: linux-lts, Alpaquita:stream: linux-lts

fkie_cve-2026-89874

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

media: v4l2-async: avoid deleting unlinked ASC entry on link error

v4l2_async_match_notify() creates ancillary media links before adding asc->asc_subdev_entry to sd->asc_list.

If ancillary link creation fails, the function jumps to err_call_unbind while asc_subdev_entry has not been linked yet. Async connections are zero-allocated, so the list entry still has NULL next and prev pointers on this path. Calling list_del() on it can therefore dereference NULL instead of returning the original link creation error.

Do not delete asc_subdev_entry from err_call_unbind. There is no list insertion to undo on this path; the bound callback and sub-device registration are the operations that need to be rolled back.

GHSA-rmqv-gxqc-vfx4

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

media: v4l2-async: avoid deleting unlinked ASC entry on link error

v4l2_async_match_notify() creates ancillary media links before adding asc->asc_subdev_entry to sd->asc_list.

Do not delete asc_subdev_entry from err_call_unbind. There is no list insertion to undo on this path; the bound callback and sub-device registration are the operations that need to be rolled back.

msrc_CVE-2026-89874 — media: v4l2-async: avoid deleting unlinked ASC entry on link error

msrc_CVE-2026-89874

openSUSE-SU-2026:11880-1 — kernel-devel-7.2.7-1.1 on GA media

kernel-devel-7.2.7-1.1 on GA media

UBUNTU-CVE-2026-89874

Affected: Ubuntu:16.04:LTS: linux-hwe-edge, Ubuntu:18.04:LTS: linux-aws-5.0, Ubuntu:18.04:LTS: linux-aws-5.3, Ubuntu:18.04:LTS: linux-azure, Ubuntu:18.04:LTS: linux-azure-5.3, Ubuntu:18.04:LTS: linux-azure-edge, Ubuntu:18.04:LTS: linux-gcp, Ubuntu:18.04:LTS: linux-gcp-5.3, Ubuntu:18.04:LTS: linux-gke-4.15, Ubuntu:18.04:LTS: linux-gke-5.4 and 154 more

In the Linux kernel, the following vulnerability has been resolved: media: v4l2-async: avoid deleting unlinked ASC entry on link error v4l2_async_match_notify() creates ancillary media links before adding asc->asc_subdev_entry to sd->asc_list. If ancillary link creation fails, the function jumps to err_call_unbind while asc_subdev_entry has not been linked yet. Async connections are zero-allocated, so the list entry still has NULL next and prev pointers on this path. Calling list_del() on it can therefore dereference NULL instead of returning the original link creation error. Do not delete asc_subdev_entry from err_call_unbind. There is no list insertion to undo on this path; the bound callback and sub-device registration are the operations that need to be rolled back.