CVE-2022-50243 is a high-severity use-after-free vulnerability in the Linux kernel's Stream Control Transmission Protocol (SCTP) implementation. Specifically, an error in handling the sctp_auth_asoc_init_active_key function can lead to the freeing of an active key while it is still in use, triggering a use-after-free when sending packets. This vulnerability has a CVSS score of 7.8 (High), indicating that a local attacker with low privileges can achieve high confidentiality, integrity, and availability impacts. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 4.19.199, < 4.19.262CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.4.136, < 5.4.220CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.10.54, < 5.10.150CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.13.6, < 5.14CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | ||
>= 5.14.1, < 5.15.75CPE matchmatch criteria | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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