CVE-2026-90210
- Source
- https://cve.org/CVERecord?id=CVE-2026-90210
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-90210.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-90210
- Downstream
- Published
- 2026-09-17T16:07:24Z
- Modified
- 2026-09-19T03:47:25Z
- Severity
-
- 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- bpf: Fix UAF in bpf_trampoline_multi_attach_free on update failure
- Details
-
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.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90210.json" }- References
-
- https://git.kernel.org/stable/c/0253073fb7d79a2dd2eae9581ea16db2aef395a6
- https://git.kernel.org/stable/c/65c3939656fd7848e9274faa07c26748b5bf049c
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/90xxx/CVE-2026-90210.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-90210
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git