high7.0
CVE-2023-1476
A use-after-free flaw was found in the Linux kernel’s mm/mremap memory address space accounting source code.
Impact
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 products
| Vendor | Product | Affected versions |
|---|---|---|
| Linux | Linux Kernel | before 5.14 |
| Redhat | Enterprise Linux | Version 8.0 |
| Redhat | Enterprise Linux Eus | Version 8.8 |
| Redhat | Enterprise Linux For Power Little Endian | Version 8.0_ppc64le |
| Redhat | Enterprise Linux For Power Little Endian Eus | Version 8.8_ppc64le |
| Redhat | Enterprise Linux Server Tus | Version 8.8 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/errata/RHSA-2023:1659
- https://access.redhat.com/security/cve/CVE-2023-1476
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2
- https://access.redhat.com/errata/RHSA-2023:1659
- https://access.redhat.com/security/cve/CVE-2023-1476
- https://bugzilla.redhat.com/show_bug.cgi?id=2176035
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=97113eb39fa7972722ff490b947d8af023e1f6a2