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THREATINT
PUBLISHED

CVE-2024-26977

pci_iounmap(): Fix MMIO mapping leak



AssignerLinux
Reserved2024-02-19
Published2024-05-01
Updated2024-11-05

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.

Product status

Default status
unaffected

316e8d79a095 before 5e4b23e7a7b3
affected

316e8d79a095 before 6d21d0356aa4
affected

316e8d79a095 before b5d40f02e722
affected

316e8d79a095 before f3749345a9b7
affected

316e8d79a095 before af280e137e27
affected

316e8d79a095 before 7626913652cc
affected

Default status
affected

5.15
affected

Any version before 5.15
unaffected

5.15.154
unaffected

6.1.84
unaffected

6.6.24
unaffected

6.7.12
unaffected

6.8.3
unaffected

6.9
unaffected

References

https://git.kernel.org/stable/c/5e4b23e7a7b33a1e56bfa3e5598138a2234d55b6

https://git.kernel.org/stable/c/6d21d0356aa44157a62e39c0d1a13d4c69a8d0c8

https://git.kernel.org/stable/c/b5d40f02e7222da032c2042aebcf2a07de9b342f

https://git.kernel.org/stable/c/f3749345a9b7295dd071d0ed589634cb46364f77

https://git.kernel.org/stable/c/af280e137e273935f2e09f4d73169998298792ed

https://git.kernel.org/stable/c/7626913652cc786c238e2dd7d8740b17d41b2637

cve.org CVE-2024-26977

nvd.nist.gov CVE-2024-26977

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