CVE-2026-90210

7.8 HIGH

Published 2026-09-17 · Updated 2026-09-18

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix UAF in bpf_trampoline_multi_attach_free on update failure When bpf_trampoline_update() fails before modify_fentry_multi()/ unregister_fentry_multi() is called, cur_image is unchanged (cur_image == old_image) and ftrace still calls into it. Freeing old_image in that case causes a UAF. Only free old_image when it differs from cur_image.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

All references

https://git.kernel.org/stable/c/0253073fb7d79a2dd2eae9581ea16db2aef395a6
https://git.kernel.org/stable/c/65c3939656fd7848e9274faa07c26748b5bf049c

Source data: NVD (nvd.nist.gov), public domain. Exploit-DB.ai adds local AI analysis for defensive use only.