CVE-2023-45898
HIGHCVSS 7.8/10EPSS 0.27%
Last modified
CVE-2023-45898 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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.. EPSS estimates a 0.27% chance of exploitation in the next 30 days.
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.
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 | >= 6.5, < 6.5.4 |
References
- https://lkml.org/lkml/2023/8/13/477Mailing List, Patch
- https://www.spinics.net/lists/stable-commits/msg317086.htmlMailing List, Patch, Third Party Advisory
- https://lkml.org/lkml/2023/8/13/477Mailing List, Patch
- https://www.spinics.net/lists/stable-commits/msg317086.htmlMailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-45898?
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.
How severe is CVE-2023-45898?
CVE-2023-45898 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.27% probability of exploitation in the next 30 days.
How do I fix CVE-2023-45898?
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.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
Related CVEs from 2023
- CVE-2023-4589Insufficient verification of data authenticity vulnerability…7.2
- CVE-2023-45892An issue discovered in the Order and Invoice pages in Floors…7.5
- CVE-2023-45893An indirect Object Reference (IDOR) in the Order and Invoice…7.5
- CVE-2023-45894The Remote Application Server in Parallels RAS before 19.2.2…10
- CVE-2023-45896ntfs3 in the Linux kernel through 6.8.0 allows a physically …7.1
- CVE-2023-45897exfatprogs before 1.2.2 allows out-of-bounds memory access, …5.5
- CVE-2023-45899An issue in the component SuperUserSetuserModuleFrontControl…7.5
- CVE-2023-4590Buffer overflow vulnerability in Frhed hex editor, affecting…9.8
- CVE-2023-45901Dreamer CMS v4.1.3 was discovered to contain a Cross-Site Re…8.8
- CVE-2023-45902Dreamer CMS v4.1.3 was discovered to contain a Cross-Site Re…8.8
- CVE-2023-45903Dreamer CMS v4.1.3 was discovered to contain a Cross-Site Re…8.8
- CVE-2023-45904Dreamer CMS v4.1.3 was discovered to contain a Cross-Site Re…8.8
Are you affected by CVE-2023-45898?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST