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CVE-2024-1312

Kernel: race condition leads to use after free during vma lock in lock_vma_under_rcu

Published: 2/8/2024 Last updated: 8/1/2024 Reserved: 2/7/2024

A use-after-free flaw was found in the Linux kernel's Memory Management subsystem when a user wins two races at the same time with a fail in the mas_prev_slot function. This issue could allow 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 5.1 Medium CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Opam packages affected (27)

albatross cdrom conf-bpftool conf-libbpf conf-linux-libc-dev core core_unix hvsock mirage-block-unix mm ocaml-probes orun rawlink rawlink-eio rawlink-lwt 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 (10)

Product Vendor Version
Fedora Fedora unspecified
Red Hat Enterprise Linux 6 Red Hat 2008 for x64-based Systems Service Pack 2
Red Hat Enterprise Linux 7 Red Hat < 2.305b240719
Red Hat Enterprise Linux 8 Red Hat <= 2.0.7
Red Hat Enterprise Linux 9 Red Hat n/a
Red Hat Enterprise Linux 9 Red Hat 2012 R2 (Core installation)
Red Hat Enterprise Linux 8 Red Hat n/a
Red Hat Enterprise Linux 7 Red Hat < 3.305b240802
kernel n/a 2008 for 32-bit Systems Service Pack 2 (Core installation)
kernel n/a 2008 for 32-bit Systems Service Pack 2

References (6)