CVE-2024-26977: pci_iounmap(): Fix MMIO mapping leak
First published: Wed May 01 2024(Updated: )
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.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| debian/linux | 5.10.223-1 5.10.226-1 6.1.123-1 6.1.119-1 6.12.11-1 6.12.12-1 |
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Reference Links
- https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6
- https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8
- https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637
- https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed
- https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f
- https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77
- https://launchpad.net/bugs/cve/CVE-2024-26977
- https://git.kernel.org/linus/7626913652cc786c238e2dd7d8740b17d41b2637
- https://security-tracker.debian.org/tracker/CVE-2024-26977
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-26977
- https://nvd.nist.gov/vuln/detail/CVE-2024-26977
- https://ubuntu.com/security/CVE-2024-26977
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