Vulnerability · Published Feb 25, 2023 · Assigned by mitre
CVE-2023-26544
High 7.8
In plain English
A high-severity use-after-free in the linux package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 33% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)7.8High
Exploit odds (30 days)0.4%top 67.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
In the Linux kernel 6.0.8, there is a use-after-free in run_unpack in fs/ntfs3/run.c, related to a difference between NTFS sector size and media sector size.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 6.1.4-1 | DEBIAN-CVE-2023-26544 |
| Debian:13 | linux | 6.1.4-1 | DEBIAN-CVE-2023-26544 |
| Debian:14 | linux | 6.1.4-1 | DEBIAN-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux | 5.15.0-69.76 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-aws | 5.15.0-1033.37 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-azure | 5.15.0-1035.42 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1026.29~22.04.1 | USN-6079-1 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | 5.19.0-1026.29~22.04.1 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-azure-fde | 5.15.0-1035.42.1 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-gcp | 5.15.0-1031.38 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-gke | 5.15.0-1030.35 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-gkeop | 5.15.0-1017.22 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-42.43~22.04.1 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | 5.19.0-42.43~22.04.1 | USN-6096-1 |
| Ubuntu:22.04:LTS | linux-ibm | 5.15.0-1027.30 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-intel-iotg | 5.15.0-1027.32 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-kvm | 5.15.0-1030.35 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-lowlatency | 5.15.0-69.76 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | 5.19.0-1024.25~22.04.1 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-nvidia | 5.15.0-1023.23 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | 6.1.0-1007.7 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-oracle | 5.15.0-1032.38 | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-raspi | 5.15.0-1026.28 | UBUNTU-CVE-2023-26544 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2023-26544 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2023-26544 |
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