CVE-2026-74628 evidence review
Linux
In the Linux kernel, the following vulnerability has been resolved: net/x25: fix use-after-free of the socket by its timers The x25 timers are armed with mod_timer() and cancelled with timer_delete(), so a pending timer holds no reference on the socket and a cancel does not wait for a callback already running on another CPU. x25_heartbeat_expiry() also rearms unconditionally, so it can reinstall sk->sk_timer after __x25_destroy_socket() has passed its cancel point. The following __sock_put() frees the socket while the timer is still queued, and the next expiry uses freed memory. KASAN repor...
This record remains available for product and version identification, but it is not presented as a complete remediation procedure. Confirm the affected range and the supported fix in a direct vendor advisory before changing production systems.
Identify the product and installed version
Record whether Linux is present, where it is installed, and which interfaces are exposed.
- Record the product name, package or appliance identifier, and installed version.
- Identify internet-facing, administrative, API, and internal access paths.
- Preserve the pre-change configuration and relevant service logs.
Compare the affected range
Use the current record as an identification aid: >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < ba925a2e98ce967a0e71c5bcbcf5dbd3facaf0c8, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6b79659590f0f82a9b8efd2ffd55ec6399ebfc33, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < fdd9ac50b9b61ef2b2d52c5156aff788be91454d, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 1fc9f6d2c7c9fdb341bfe8ca449c990632299ea6, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 3c4919be5d910db4beebca420953858606fba7d8, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 4bc522b33438fefc3272840ae5988771863a4f1f, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < e92c7e2b41d1528a830bc64c5e4e46dfa8133dda, >= 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 2195424c3da2ef1829a63b807e3a900a90e57d85, >= 2.6.12. Resolve incomplete inventory results before deciding that an asset is unaffected.
Verify the authoritative remediation source
Open the linked source material and locate a direct vendor advisory for this CVE. Confirm the supported fixed release and product-specific update path before making a production change.
Operational boundary
This page does not replace the vendor advisory, support contract, change-management process, or recovery plan. Do not infer that an asset is unaffected from an incomplete inventory query or a missing fixed-version field.