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Vulnerability · Published Jan 15, 2024 · Assigned by redhat

CVE-2024-0562Kernel: use-after-free after removing device in wb_inode_writeback_end in mm/page-writeback.c

High 7.8

In plain English

A high-severity use-after-free in kernel. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.3%top 82.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A use-after-free flaw was found in the Linux Kernel. When a disk is removed, bdi_unregister is called to stop further write-back and waits for associated delayed work to complete. However, wb_inode_writeback_end() may schedule bandwidth estimation work after this has completed, which can result in the timer attempting to access the recently freed bdi_writeback.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux5.19.6-1DEBIAN-CVE-2024-0562
Debian:13linux5.19.6-1DEBIAN-CVE-2024-0562
Debian:14linux5.19.6-1DEBIAN-CVE-2024-0562
Ubuntu:22.04:LTSlinux5.15.0-53.59UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-aws5.15.0-1023.27UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-azure5.15.0-1023.29UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1024.30.1UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-gcp5.15.0-1022.29UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-gke5.15.0-1020.25UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1008.12UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-ibm5.15.0-1018.21UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1018.23UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-kvm5.15.0-1021.26UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-53.59UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1015.15UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-oracle5.15.0-1022.28UBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-raspi5.15.0-1018.20UBUNTU-CVE-2024-0562
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-0562
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-0562

Affected products (as reported)

VendorProductVersions
kernel 0 – before 6.0-rc3
Red Hat Red Hat Enterprise Linux 8.6 Extended Update Support see references
Red Hat Red Hat Virtualization 4 for Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 6 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 7 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 8 see references
Red Hat Red Hat Enterprise Linux 9 see references
Red Hat Red Hat Enterprise Linux 9 see references

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References