CVE-2022-1199
Medium
Elevated severity or exploit probability.
CVSS base
7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
2.0%
80.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-416
Published 2022-08-29 · modified 2026-09-11
CVSS breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
| Attack Vector | N | Network |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | N | None |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2022-08-29 — Published (NVD)
- 2026-09-11 — Last modified (NVD)
Description
A flaw was found in the Linux kernel. This flaw allows an attacker to crash the Linux kernel by simulating amateur radio from the user space, resulting in a null-ptr-deref vulnerability and a use-after-free vulnerability.
Affected
References
- https://access.redhat.com/security/cve/CVE-2022-1199
- https://bugzilla.redhat.com/show_bug.cgi?id=2070694
- https://github.com/torvalds/linux/commit/4e0f718daf97d47cf7dec122da1be970f145c809
- https://github.com/torvalds/linux/commit/71171ac8eb34ce7fe6b3267dce27c313ab3cb3ac
- https://github.com/torvalds/linux/commit/7ec02f5ac8a5be5a3f20611731243dc5e1d9ba10
- https://security.netapp.com/advisory/ntap-20221228-0006/
- https://www.openwall.com/lists/oss-security/2022/04/02/5
- https://access.redhat.com/security/cve/CVE-2022-1199
- https://bugzilla.redhat.com/show_bug.cgi?id=2070694
- https://github.com/torvalds/linux/commit/4e0f718daf97d47cf7dec122da1be970f145c809
- https://github.com/torvalds/linux/commit/71171ac8eb34ce7fe6b3267dce27c313ab3cb3ac
- https://github.com/torvalds/linux/commit/7ec02f5ac8a5be5a3f20611731243dc5e1d9ba10
- https://security.netapp.com/advisory/ntap-20221228-0006/
- https://www.openwall.com/lists/oss-security/2022/04/02/5