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Vulnerability · Published Jan 22, 2024 · Assigned by redhat

CVE-2024-0775Kernel: use-after-free while changing the mount option in __ext4_remount leading

Medium 6.7

In plain English

A medium-severity use-after-free in kernel from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.7Medium
Exploit odds (30 days)0.2%top 86.8% 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 __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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12linux6.1.37-1DEBIAN-CVE-2024-0775
Debian:13linux6.3.7-1DEBIAN-CVE-2024-0775
Debian:14linux6.3.7-1DEBIAN-CVE-2024-0775
Ubuntu:22.04:LTSlinux5.15.0-83.92UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-aws5.15.0-1044.49UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-aws-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-azure5.15.0-1046.53UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-azure-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-azure-fde5.15.0-1046.53.1UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-azure-fde-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-gcp5.15.0-1041.49UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-gcp-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-gke5.15.0-1041.46UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-gkeop5.15.0-1027.32UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-hwe-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-ibm5.15.0-1037.40UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-intel-iotg5.15.0-1039.45UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-kvm5.15.0-1041.46UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-lowlatency5.15.0-83.92UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-lowlatency-hwe-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-nvidia5.15.0-1032.32UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-nvidia-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-nvidia-tegra5.15.0-1017.17UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-nvidia-tegra-igx5.15.0-1004.4UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-oem-6.1no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-oracle5.15.0-1042.48UBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-raspi5.15.0-1037.40UBUNTU-CVE-2024-0775
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-starfive-6.2no fix listedUBUNTU-CVE-2024-0775
Ubuntu:22.04:LTSlinux-xilinx-zynqmp5.15.0-1025.29UBUNTU-CVE-2024-0775

Affected products (as reported)

VendorProductVersions
Linux kernel 0 – before 4.14.3154.15 – before 4.19.2834.20 – before 5.4.2435.5 – before 5.10.1805.11 – before 5.15.1125.16 – before 6.1.296.2 – before 6.2.166.3 – before 6.3.3
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:H/UI:N/S:U/C:H/I:H/A:H

References