CVE-2023-1476
Last modified
CVE-2023-1476 is a high-severity vulnerability rated 7/10 on the CVSS scale. A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.
Description
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code. This issue occurs due to a race condition between rmap walk and mremap, allowing a local user to crash the system or potentially escalate their privileges on the system.
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 |
|---|---|---|
| Linux | Linux Kernel | < 5.14 |
| Redhat | Enterprise Linux | 8.0 |
| Redhat | Enterprise Linux Eus | 8.8 |
| Redhat | Enterprise Linux For Power Little Endian | 8.0_ppc64le |
| Redhat | Enterprise Linux For Power Little Endian Eus | 8.8_ppc64le |
| Redhat | Enterprise Linux Server Tus | 8.8 |
References
- https://access.redhat.com/errata/RHSA-2023:1659Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-1476Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035Issue Tracking
- https://access.redhat.com/errata/RHSA-2023:1659Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-1476Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035Issue Tracking
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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