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CVE-2023-1476 Details
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 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Feb 26, 2025Exploitation: NoneAutomatable: NoTechnical Impact: Total
References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://access.redhat.com/errata/RHSA-2023:1659 | CVE | Third Party Advisory |
| https://access.redhat.com/security/cve/CVE-2023-1476 | CVE | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2176035 | CVE | Issue Tracking |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2 | CVE | Mailing ListPatch |
| https://access.redhat.com/errata/RHSA-2023:1659 | [email protected] | Third Party Advisory |
| https://access.redhat.com/security/cve/CVE-2023-1476 | [email protected] | Third Party Advisory |
| https://bugzilla.redhat.com/show_bug.cgi?id=2176035 | [email protected] | Issue Tracking |
| https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2 | [email protected] | Mailing ListPatch |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| linux linux kernel | < 5.14 |
CPE
Remediation
| |
| redhat enterprise linux | 8.0 |
CPE
Remediation
| |
| redhat enterprise linux eus | 8.8 |
CPE
Remediation
| |
| redhat enterprise linux for power little endian | 8.0_ppc64le |
CPE
Remediation
| |
| redhat enterprise linux for power little endian eus | 8.8_ppc64le |
CPE
Remediation
| |
| redhat enterprise linux server tus | 8.8 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Nov 21, 2024 | CVE Modified | CVE |
| May 14, 2024 | CVE Modified | [email protected] |
| Nov 13, 2023 | Initial Analysis | [email protected] |
| Nov 7, 2023 | CVE Modified | [email protected] |