CVE-2023-26544
HIGHCVSS 7.8/10EPSS 0.39%
Last modified
CVE-2023-26544 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.39% chance of exploitation in the next 30 days.
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15, < 5.15.87 |
| Linux | Linux Kernel | >= 5.16, < 6.0.17 |
| Linux | Linux Kernel | >= 6.1, < 6.1.3 |
References
- https://lkml.org/lkml/2023/2/20/128Exploit, Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230316-0010/Third Party Advisory
- https://lkml.org/lkml/2023/2/20/128Exploit, Mailing List, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20230316-0010/Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-26544?
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.
How severe is CVE-2023-26544?
CVE-2023-26544 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.
How do I fix CVE-2023-26544?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2023-26544?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST