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CVE-2025-38498

do_change_type(): refuse to operate on unmounted/not ours mounts

EPSS 0.2%
In the Linux kernel, the following vulnerability has been resolved: do_change_type(): refuse to operate on unmounted/not ours mounts Ensure that propagation settings can only be changed for mounts located in the caller's mount namespace. This change aligns permission checking with the rest of mount(2).
Affected products
Linux · Linux

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References
https://cert-portal.siemens.com/productcert/html/ssa-082556.htmlhttps://cert-portal.siemens.com/productcert/html/ssa-089022.htmlhttps://git.kernel.org/stable/c/064014f7812744451d5d0592f3d2bcd727f2ee93https://git.kernel.org/stable/c/12f147ddd6de7382dad54812e65f3f08d05809fchttps://git.kernel.org/stable/c/19554c79a2095ddde850906a067915c1ef3a4114https://git.kernel.org/stable/c/432a171d60056489270c462e651e6c3a13f855b1https://git.kernel.org/stable/c/4f091ad0862b02dc42a19a120b7048de848561f8https://git.kernel.org/stable/c/787937c4e373f1722c4343e5a5a4eb0f8543e589https://git.kernel.org/stable/c/9c1ddfeb662b668fff69c5f1cfdd9f5d23d55d23https://git.kernel.org/stable/c/c7d11fdf8e5db5f34a6c062c7e6ba3a0971879d2https://lists.debian.org/debian-lts-announce/2025/10/msg00007.htmlhttps://lists.debian.org/debian-lts-announce/2025/10/msg00008.html