Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: pci_iounmap(): Fix MMIO mapping leak The #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(), which means MMIO mappings are leaked. Move the guard so we call iounmap() for MMIO mappings.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 5.15.1, < 5.15.154 |
References
- https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6Patch
- https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8Patch
- https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637Patch
- https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792edPatch
- https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342fPatch
- https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77Patch
- https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6Patch
- https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8Patch
- https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637Patch
- https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792edPatch
- https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342fPatch
- https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77Patch
FAQ
What is CVE-2024-26977?
CVE-2024-26977 is a vulnerability with a CVSS score of 5.5 (MEDIUM). In the Linux kernel, the following vulnerability has been resolved: pci_iounmap(): Fix MMIO mapping leak The #ifdef ARCH_HAS_GENERIC_IOPORT_MAP accidentally also guards iounmap(), which means MMIO m...
How severe is CVE-2024-26977?
CVE-2024-26977 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-26977?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.