CVE-2024-0775: Kernel: use-after-free while changing the mount option in __ext4_remount leading
First published: Sun Jan 21 2024(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <6.4 | |
| Linux Linux kernel | =6.4-rc1 | |
| Redhat Enterprise Linux | =9.0 | |
| redhat/Kernel | <6.4 | 6.4 |
| ubuntu/linux | <4.15.0-223.235 | 4.15.0-223.235 |
| ubuntu/linux | <6.4~ | 6.4~ |
| ubuntu/linux | <4.4.0-252.286 | 4.4.0-252.286 |
| ubuntu/linux-aws | <4.15.0-1166.179 | 4.15.0-1166.179 |
| ubuntu/linux-aws | <4.4.0-1129.135 | 4.4.0-1129.135 |
| ubuntu/linux-aws | <6.4~ | 6.4~ |
| ubuntu/linux-aws | <4.4.0-1167.182 | 4.4.0-1167.182 |
| ubuntu/linux-aws-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-aws-5.4 | <6.4~ | 6.4~ |
| ubuntu/linux-aws-6.2 | <6.4~ | 6.4~ |
| ubuntu/linux-aws-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-aws-hwe | <6.4~ | 6.4~ |
| ubuntu/linux-aws-hwe | <4.15.0-1166.179~16.04.1 | 4.15.0-1166.179~16.04.1 |
| ubuntu/linux-azure | <4.15.0-1175.190~14.04.1 | 4.15.0-1175.190~14.04.1 |
| ubuntu/linux-azure | <6.4~ | 6.4~ |
| ubuntu/linux-azure | <4.15.0-1175.190~16.04.1 | 4.15.0-1175.190~16.04.1 |
| ubuntu/linux-azure-4.15 | <4.15.0-1175.190 | 4.15.0-1175.190 |
| ubuntu/linux-azure-4.15 | <6.4~ | 6.4~ |
| ubuntu/linux-azure-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-azure-5.4 | <6.4~ | 6.4~ |
| ubuntu/linux-azure-6.2 | <6.4~ | 6.4~ |
| ubuntu/linux-azure-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-azure-fde | <6.4~ | 6.4~ |
| ubuntu/linux-azure-fde-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-azure-fde-6.2 | <6.4~ | 6.4~ |
| ubuntu/linux-bluefield | <6.4~ | 6.4~ |
| ubuntu/linux-fips | <6.4~ | 6.4~ |
| ubuntu/linux-gcp | <6.4~ | 6.4~ |
| ubuntu/linux-gcp | <4.15.0-1160.177~16.04.1 | 4.15.0-1160.177~16.04.1 |
| ubuntu/linux-gcp-4.15 | <4.15.0-1160.177 | 4.15.0-1160.177 |
| ubuntu/linux-gcp-4.15 | <6.4~ | 6.4~ |
| ubuntu/linux-gcp-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-gcp-5.19 | <6.4~ | 6.4~ |
| ubuntu/linux-gcp-5.4 | <6.4~ | 6.4~ |
| ubuntu/linux-gcp-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-gke | <6.4~ | 6.4~ |
| ubuntu/linux-gkeop | <6.4~ | 6.4~ |
| ubuntu/linux-gkeop-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-hwe | <6.4~ | 6.4~ |
| ubuntu/linux-hwe | <4.15.0-223.235~16.04.1 | 4.15.0-223.235~16.04.1 |
| ubuntu/linux-hwe-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-hwe-5.4 | <6.4~ | 6.4~ |
| ubuntu/linux-hwe-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-ibm | <6.4~ | 6.4~ |
| ubuntu/linux-ibm-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-ibm-5.4 | <6.4~ | 6.4~ |
| ubuntu/linux-intel-iotg | <6.4~ | 6.4~ |
| ubuntu/linux-intel-iotg-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-iot | <6.4~ | 6.4~ |
| ubuntu/linux-kvm | <4.15.0-1150.155 | 4.15.0-1150.155 |
| ubuntu/linux-kvm | <6.4~ | 6.4~ |
| ubuntu/linux-kvm | <4.4.0-1130.140 | 4.4.0-1130.140 |
| ubuntu/linux-laptop | <6.4~ | 6.4~ |
| ubuntu/linux-lowlatency | <6.4~ | 6.4~ |
| ubuntu/linux-lowlatency-hwe-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-lowlatency-hwe-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-lts-xenial | <4.4.0-252.286~14.04.1 | 4.4.0-252.286~14.04.1 |
| ubuntu/linux-lts-xenial | <6.4~ | 6.4~ |
| ubuntu/linux-nvidia | <6.4~ | 6.4~ |
| ubuntu/linux-nvidia-6.2 | <6.4~ | 6.4~ |
| ubuntu/linux-oem-6.1 | <6.4~ | 6.4~ |
| ubuntu/linux-oem-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-oracle | <4.15.0-1129.140 | 4.15.0-1129.140 |
| ubuntu/linux-oracle | <6.4~ | 6.4~ |
| ubuntu/linux-oracle | <4.15.0-1129.140~16.04.1 | 4.15.0-1129.140~16.04.1 |
| ubuntu/linux-oracle-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-oracle-5.4 | <6.4~ | 6.4~ |
| ubuntu/linux-oracle-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-raspi | <6.4~ | 6.4~ |
| ubuntu/linux-raspi-5.4 | <6.4~ | 6.4~ |
| ubuntu/linux-riscv | <6.4~ | 6.4~ |
| ubuntu/linux-riscv-5.15 | <6.4~ | 6.4~ |
| ubuntu/linux-riscv-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-starfive | <6.4~ | 6.4~ |
| ubuntu/linux-starfive-6.5 | <6.4~ | 6.4~ |
| ubuntu/linux-xilinx-zynqmp | <6.4~ | 6.4~ |
| debian/linux | <=4.19.249-2 | 4.19.304-1 5.10.209-2 5.10.205-2 6.1.76-1 6.1.85-1 6.6.15-2 6.7.12-1 |
Remedy
https://scm.linefinity.com/common/linux-stable/commit/4c0b4818b1f636bc96359f7817a2d8bab6370162
Never miss a vulnerability like this again
Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.
Reference Links
- https://access.redhat.com/security/cve/CVE-2024-0775
- https://bugzilla.redhat.com/show_bug.cgi?id=2259414
- https://scm.linefinity.com/common/linux-stable/commit/4c0b4818b1f636bc96359f7817a2d8bab6370162
- https://git.kernel.org/linus/4c0b4818b1f636bc96359f7817a2d8bab6370162
- https://security-tracker.debian.org/tracker/CVE-2024-0775
- https://launchpad.net/bugs/cve/CVE-2024-0775
- https://git.kernel.org/linus/4c0b4818b1f636bc96359f7817a2d8bab6370162 (6.4-rc2)
- https://lore.kernel.org/r/20230506142419.984260-2-tytso@mit.edu
- https://ubuntu.com/security/notices/USN-6700-1
- https://ubuntu.com/security/notices/USN-6701-1
- https://ubuntu.com/security/notices/USN-6701-2
- https://ubuntu.com/security/notices/USN-6700-2
- https://ubuntu.com/security/notices/USN-6701-3
- https://ubuntu.com/security/notices/USN-6701-4
- https://www.cve.org/CVERecord?id=CVE-2024-0775
- https://nvd.nist.gov/vuln/detail/CVE-2024-0775
- https://git.kernel.org/linus/7c319d328505b7781b65238ae9f53293b5ee0ca8
- https://ubuntu.com/security/CVE-2024-0775
Parent vulnerabilities
(Appears in the following advisories)
- agent/title
- agent/type
- agent/first-publish-date
- agent/weakness
- collector/nvd-api
- source/NVD
- agent/software-canonical-lookup
- agent/severity
- collector/epss-latest
- source/FIRST
- agent/epss
- agent/remedy
- agent/description
- agent/author
- collector/nvd-cve
- collector/launchpad-cve
- source/Launchpad
- collector/redhat-bugzilla
- source/Red Hat
- alias/CVE-2024-0775
- agent/event
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/tags
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/last-modified-date
- collector/security-tracker-debian
- source/Debian
- vendor/linux
- canonical/linux linux kernel
- version/linux linux kernel/6.4-rc1
- vendor/redhat
- canonical/redhat enterprise linux
- version/redhat enterprise linux/9.0
- package-manager/redhat
- package-manager/ubuntu
- package-manager/debian