ems_usb_start_xmit in drivers/net/can/usb/ems_usb.c in the Linux kernel through 5.17.1 has a double free.
Conclusion & alert: CVE-2022-28390 is rated Low Risk (31.8/100): CVSS High severity, with low exploitation likelihood (EPSS 0.01%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2025-11-21 | 0.08% | 0.01% | -0.06% |
| 2 | 2025-11-18 | 0.04% | 0.08% | +0.03% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.8 | 3.1 | HIGH |
|
1.8 | 5.9 | [email protected] |
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
not yet assigned | CVE-2022-28390 not yet assigned priority: Debian including 1 source packages (linux), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2022-28390 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2022-28390 |
suse
|
high | — | https://www.suse.com/security/cve/CVE-2022-28390/ |
ubuntu
|
medium | CVE-2022-28390 medium priority: Ubuntu including 167 source packages (linux, linux-allwinner, …), 2042 status rows across 15 suites (bionic, focal, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): DNE 1576, released 234, not-affected 173, ignored 59. | https://ubuntu.com/security/CVE-2022-28390 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linux | linux_kernel | >= 2.6.32, <= 5.17.1 | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
| fedoraproject | fedora | 34 | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* |
| fedoraproject | fedora | 35 | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* |
| fedoraproject | fedora | 36 | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
| debian | debian_linux | 9.0 | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
| debian | debian_linux | 10.0 | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
| debian | debian_linux | 11.0 | cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h300e | cpe:2.3:a:netapp:hci_baseboard_management_controller:h300e:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h300s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h300s:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h410c | cpe:2.3:a:netapp:hci_baseboard_management_controller:h410c:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h410s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h410s:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h500e | cpe:2.3:a:netapp:hci_baseboard_management_controller:h500e:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h500s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h500s:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h700e | cpe:2.3:a:netapp:hci_baseboard_management_controller:h700e:*:*:*:*:*:*:* |
| netapp | hci_baseboard_management_controller | h700s | cpe:2.3:a:netapp:hci_baseboard_management_controller:h700s:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/torvalds/linux/commit/c70222752228a62135cee3409dccefd494a24646 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2022/07/msg00000.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IHHC455LMSJNG4CSZ5CEAHYWY2DE5YW/ | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LAWC35TO642FOP3UCA3C6IF7NAUFOVZ6/ | Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XFMPUI3WI4U2F7ONHRW36WDY4ZE7LGGT/ | Third Party Advisory |
| https://security.netapp.com/advisory/ntap-20220513-0001/ | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5127 | Third Party Advisory |
| https://www.debian.org/security/2022/dsa-5173 | Third Party Advisory |