CVEvulnerability
CVE-2023-1476
7.0 HIGH
Official page ↗
- Status
- Modified
- Published
- 2023-11-03
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 3.1 ([email protected])
- 7.0 HIGH — CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-416
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.
Affected configurations
• 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
Related
Weakness · CWE (1)
- CWE-416 Use After Free weakness
References
- https://access.redhat.com/errata/RHSA-2023:1659 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-1476 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2 Mailing List, Patch
- https://access.redhat.com/errata/RHSA-2023:1659 Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2023-1476 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035 Issue Tracking
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2 Mailing List, Patch