CVE-2021-47611
Medium
Elevated severity or exploit probability.
CVSS base
8.1
HIGH
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS — probability of exploitation (30 days)
0.3%
27.3th percentile
CISA KEV
Not listed
Weakness / dates
—
Published 2024-06-19 · modified 2026-08-04
CVSS breakdown
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
| Attack Vector | A | Adjacent |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2024-06-19 — Published (NVD)
- 2026-08-04 — Last modified (NVD)
Description
In the Linux kernel, the following vulnerability has been resolved: mac80211: validate extended element ID is present Before attempting to parse an extended element, verify that the extended element ID is present.
Affected
References
- https://git.kernel.org/stable/c/03029bb044ccee60adbc93e70713f3ae58abc3a1
- https://git.kernel.org/stable/c/768c0b19b50665e337c96858aa2b7928d6dcf756
- https://git.kernel.org/stable/c/7fd214fc7f2ee3a89f91e717e3cfad55f5a27045
- https://git.kernel.org/stable/c/a19cf6844b509d44ecbd536f33d314d91ecdd2b5
- https://git.kernel.org/stable/c/c62b16f98688ae7bc0ab23a6490481f4ce9b3a49
- https://git.kernel.org/stable/c/03029bb044ccee60adbc93e70713f3ae58abc3a1
- https://git.kernel.org/stable/c/768c0b19b50665e337c96858aa2b7928d6dcf756
- https://git.kernel.org/stable/c/7fd214fc7f2ee3a89f91e717e3cfad55f5a27045
- https://git.kernel.org/stable/c/a19cf6844b509d44ecbd536f33d314d91ecdd2b5
- https://git.kernel.org/stable/c/c62b16f98688ae7bc0ab23a6490481f4ce9b3a49