Use After Free in Linux Linux_kernel
CVE-2023-3269
A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploi…
Vulnerability class: Use-After-Free
EPSS: 0.015 (71.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Linux Linux_kernel — versions 6.4
- Fedora
- Fedoraproject Fedora — versions 37, 38
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Redhat Enterprise_linux — versions 6.0, 7.0, 8.0
- N/a Kernel
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Mailing List)
- secalert@redhat.com (Mailing List, Third Party Advisory)
- secalert@redhat.com (Mailing List, Third Party Advisory)
- secalert@redhat.com (Mailing List)
- secalert@redhat.com (Mailing List)
- secalert@redhat.com (Mailing List)
- secalert@redhat.com (Third Party Advisory)
Frequently asked questions
- What is CVE-2023-3269?
- CVE-2023-3269 is a high-severity vulnerability in Linux Linux_kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2023-07-11.
- How severe is CVE-2023-3269?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2023-3269 known to be exploited?
- 22 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.