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CVE-2023-3108

Kernel: a race condition in crypto module in the function skcipher_recvmsg

Published: 7/11/2023 Last updated: 11/20/2025 Reserved: 6/5/2023

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.

CNA assigner: redhat (53f830b8-0a3f-465b-8143-3b8a9948e749) Requested by: n/a

Metrics

Version Score Severity Vector String
3.1 6.2 Medium CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Opam packages affected (29)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes ortools_solvers orun rawlink rawlink-eio rawlink-lwt restricted shell solo5 solo5-bindings-hvt solo5-bindings-spt solo5-cross-aarch64 solo5-kernel-ukvm tracy-client tuntap uring vhd-format vhd-format-lwt xapi-stdext-unix

Products affected (9)

Product Vendor Version
Red Hat Enterprise Linux 9 Red Hat < 7d7ab25ead969594df05fb09ee46ca931d46c5c8
Red Hat Enterprise Linux 8 Red Hat < 21b6b0c9f3796e6917e90db403dae9e74025fc40
Red Hat Enterprise Linux 7 Red Hat < 5.2.7.3256 build 20250913
Red Hat Enterprise Linux 6 Red Hat <= *
Red Hat Enterprise Linux 7 Red Hat < 733bc9e226da2a7f43b10031b8ebfc26d89ec4bd
Red Hat Enterprise Linux 7 Red Hat < 5.2.7.3256 build 20250913
Red Hat Enterprise Linux 7 Red Hat < e5a49140035591d13ff57a7537c65217e5af0d15
Red Hat Enterprise Linux 8 Red Hat < 17217737c174883dd975885ab4bee4b00f517239
Red Hat Enterprise Linux 9 Red Hat < d0af6220bb1eed8225a5511de5a3bd386b94afa4

References (12)