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Vulnerability · Published Oct 16, 2023 · Assigned by mitre

CVE-2023-45898

High 7.8

In plain English

A high-severity use-after-free in the linux package (Debian). 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 22% 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 78.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The Linux kernel before 6.5.4 has an es1 use-after-free in fs/ext4/extents_status.c, related to ext4_es_insert_extent.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:13linux6.5.6-1DEBIAN-CVE-2023-45898
Debian:14linux6.5.6-1DEBIAN-CVE-2023-45898
Ubuntu:22.04:LTSlinux-allwinner-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-aws-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-aws-6.56.5.0-1011.11~22.04.1UBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-azure-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-azure-6.56.5.0-1010.10~22.04.1UBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-azure-fde-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-gcp-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-hwe-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-intel-iot-realtimeno fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-lowlatency-hwe-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-nvidia-6.56.5.0-1007.7UBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-oem-5.17no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-oem-6.0no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1009.10USN-6536-1
Ubuntu:22.04:LTSlinux-oem-6.56.5.0-1009.10UBUNTU-CVE-2023-45898
Ubuntu:24.04:LTSlinux-raspi6.7.0-1001.1UBUNTU-CVE-2023-45898
Ubuntu:24.04:LTSlinux-raspi-realtimeno fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-realtimeno fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-riscvno fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-riscv-5.19no fix listedUBUNTU-CVE-2023-45898
Ubuntu:22.04:LTSlinux-starfive-5.19no fix listedUBUNTU-CVE-2023-45898

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

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

References