CVE-2023-3108

Summary

A flaw was found in the subsequent get_user_pages_fast in the Linux kernel’s interface for symmetric key cipher algorithms in the skcipher_recvmsg of crypto/algif_skcipher.c function. This flaw allows a local user to crash the system.

Impact & exploitability

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Official patch: https://bugzilla.redhat.com/show_bug.cgi?id=2221472 ↗

Additional information

• NVD record
• https://bugzilla.redhat.com/show_bug.cgi?id=2221472Patch
• https://github.com/torvalds/linux/commit/9399f0c51489ae8c16d6559b82a452fdc1895e91Patch
• https://access.redhat.com/security/cve/CVE-2023-3108Advisory