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
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | linux | 6.5.6-1 | DEBIAN-CVE-2023-45898 |
| Debian:14 | linux | 6.5.6-1 | DEBIAN-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-aws-6.5 | 6.5.0-1011.11~22.04.1 | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-azure-6.5 | 6.5.0-1010.10~22.04.1 | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-nvidia-6.5 | 6.5.0-1007.7 | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1009.10 | USN-6536-1 |
| Ubuntu:22.04:LTS | linux-oem-6.5 | 6.5.0-1009.10 | UBUNTU-CVE-2023-45898 |
| Ubuntu:24.04:LTS | linux-raspi | 6.7.0-1001.1 | UBUNTU-CVE-2023-45898 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2023-45898 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
References
- https://lore.kernel.org/lkml/aa03f191-445c-0d2e-d6d7-0a3208d7df7a%40huawei.com/T/
- https://www.spinics.net/lists/stable-commits/msg317086.html
- https://lkml.org/lkml/2023/8/13/477
- https://github.com/torvalds/linux/commit/768d612f79822d30a1e7d132a4d4b05337ce42ec
- https://cdn.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.5.4
- https://cert-portal.siemens.com/productcert/html/ssa-398330.html
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html