CVE-2023-6531
HIGHCVSS 7/10EPSS 0.22%
Last modified
CVE-2023-6531 is a high-severity vulnerability rated 7/10 on the CVSS scale. A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.. EPSS estimates a 0.22% chance of exploitation in the next 30 days.
Description
A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.
Metrics
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions | Update |
|---|---|---|---|
| Linux | Linux Kernel | < 6.7 | — |
| Linux | Linux Kernel | 6.7 | Rc1 |
| Redhat | Enterprise Linux | 9.0 | — |
References
- https://access.redhat.com/security/cve/CVE-2023-6531Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253034Issue Tracking
- https://access.redhat.com/security/cve/CVE-2023-6531Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2253034Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2023-6531?
A use-after-free flaw was found in the Linux Kernel due to a race problem in the unix garbage collector's deletion of SKB races with unix_stream_read_generic() on the socket that the SKB is queued on.
How severe is CVE-2023-6531?
CVE-2023-6531 has a CVSS score of 7/10 (HIGH severity). The EPSS model estimates a 0.22% probability of exploitation in the next 30 days.
How do I fix CVE-2023-6531?
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-2023-6525The ElementsKit Elementor addons plugin for WordPress is vul…4.8
- CVE-2023-6526The Meta Box – WordPress Custom Fields Framework plugin for …5.4
- CVE-2023-6527The Email Subscription Popup plugin for WordPress is vulnera…6.1
- CVE-2023-6528The Slider Revolution WordPress plugin before 6.6.19 does no…8.8
- CVE-2023-6529The WP VR WordPress plugin before 8.3.15 does not authorisat…6.1
- CVE-2023-6530The TJ Shortcodes WordPress plugin through 0.1.3 does not va…5.4
- CVE-2023-6532The WP Blogs' Planetarium WordPress plugin through 1.0 does …8.8
- CVE-2023-6533Malformed Device Reset Locally Command Class packets can be …6.5
- CVE-2023-6534In versions of FreeBSD 14.0-RELEASE before 14-RELEASE-p2, Fr…7.5
- CVE-2023-6535A flaw was found in the Linux kernel's NVMe driver. This iss…7.5
- CVE-2023-6536A flaw was found in the Linux kernel's NVMe driver. This iss…7.5
- CVE-2023-6538SMU versions prior to 14.8.7825.01 are susceptible to uninte…6.5
Are you affected by CVE-2023-6531?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST