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CVE-2024-0775

Kernel: use-after-free while changing the mount option in __ext4_remount leading

Published: 1/22/2024 Last updated: 6/17/2025 Reserved: 1/21/2024

A use-after-free flaw was found in the __ext4_remount in fs/ext4/super.c in ext4 in the Linux kernel. This flaw allows a local user to cause an information leak problem while freeing the old quota file names before a potential failure, leading to a use-after-free.

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

Metrics

Version Score Severity Vector String
3.1 6.7 Medium CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/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 (8)

Product Vendor Version
10.5(2)SU2a
Red Hat Enterprise Linux 6 Red Hat 10.5(2)SU4a
Red Hat Enterprise Linux 7 Red Hat 10.5(2)SU4
Red Hat Enterprise Linux 8 Red Hat n/a
Red Hat Enterprise Linux 9 Red Hat YouPHPTube Encoder 2.3
Red Hat Enterprise Linux 8 Red Hat 19.10.9
Red Hat Enterprise Linux 7 Red Hat 10.5(1)SU1
Red Hat Enterprise Linux 9 Red Hat <= 2.2.2

References (6)