{"id":"CVE-2023-53515","state":"PUBLISHED","title":"virtio-mmio: don't break lifecycle of vm_dev","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-mmio: don't break lifecycle of vm_dev\n\nvm_dev has a separate lifecycle because it has a 'struct device'\nembedded. Thus, having a release callback for it is correct.\n\nAllocating the vm_dev struct with devres totally breaks this protection,\nthough. Instead of waiting for the vm_dev release callback, the memory\nis freed when the platform_device is removed. Resulting in a\nuse-after-free when finally the callback is to be called.\n\nTo easily see the problem, compile the kernel with\nCONFIG_DEBUG_KOBJECT_RELEASE and unbind with sysfs.\n\nThe fix is easy, don't use devres in this case.\n\nFound during my research about object lifetime problems.","publishedAt":"2025-10-01T11:46:03.192Z","updatedAt":"2026-05-11T19:46:28.049Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"97a2d55ead76358245b446efd87818e919196d7a","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"b788ad3b2468512339c05f23692e36860264e674","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"3ff54d904fafabd0912796785e53cce4e69ca123","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"5b7d5c2dd664eb8b9a06ecbc06e28d39359c422e","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"af5818c35173e096085c6ae2e3aac605d3d15e41","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"2dcb368fe5a8eee498ca75c93a18ce2f3b0d6a8e","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"55c91fedd03d7b9cf0c5199b2eb12b9b8e95281a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/virtio/virtio_mmio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.293","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.255","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.192","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.128","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.47","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.12","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/virtio/virtio_mmio.c"]}],"references":["https://git.kernel.org/stable/c/97a2d55ead76358245b446efd87818e919196d7a","https://git.kernel.org/stable/c/b788ad3b2468512339c05f23692e36860264e674","https://git.kernel.org/stable/c/3ff54d904fafabd0912796785e53cce4e69ca123","https://git.kernel.org/stable/c/5b7d5c2dd664eb8b9a06ecbc06e28d39359c422e","https://git.kernel.org/stable/c/af5818c35173e096085c6ae2e3aac605d3d15e41","https://git.kernel.org/stable/c/2dcb368fe5a8eee498ca75c93a18ce2f3b0d6a8e","https://git.kernel.org/stable/c/55c91fedd03d7b9cf0c5199b2eb12b9b8e95281a"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53515.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53515","state":"PUBLISHED","datePublished":"2025-10-01T11:46:03.192Z","dateUpdated":"2026-05-11T19:46:28.049Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-01T11:39:39.406Z"},"containers":{"cna":{"title":"virtio-mmio: don't break lifecycle of vm_dev","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio-mmio: don't break lifecycle of vm_dev\n\nvm_dev has a separate lifecycle because it has a 'struct device'\nembedded. Thus, having a release callback for it is correct.\n\nAllocating the vm_dev struct with devres totally breaks this protection,\nthough. Instead of waiting for the vm_dev release callback, the memory\nis freed when the platform_device is removed. Resulting in a\nuse-after-free when finally the callback is to be called.\n\nTo easily see the problem, compile the kernel with\nCONFIG_DEBUG_KOBJECT_RELEASE and unbind with sysfs.\n\nThe fix is easy, don't use devres in this case.\n\nFound during my research about object lifetime problems."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"97a2d55ead76358245b446efd87818e919196d7a","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"b788ad3b2468512339c05f23692e36860264e674","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"3ff54d904fafabd0912796785e53cce4e69ca123","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"5b7d5c2dd664eb8b9a06ecbc06e28d39359c422e","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"af5818c35173e096085c6ae2e3aac605d3d15e41","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"2dcb368fe5a8eee498ca75c93a18ce2f3b0d6a8e","versionType":"git"},{"version":"7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5","status":"affected","lessThan":"55c91fedd03d7b9cf0c5199b2eb12b9b8e95281a","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/virtio/virtio_mmio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.15","versionType":"semver"},{"version":"4.19.293","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.255","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.192","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.128","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.47","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.12","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/virtio/virtio_mmio.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/97a2d55ead76358245b446efd87818e919196d7a"},{"url":"https://git.kernel.org/stable/c/b788ad3b2468512339c05f23692e36860264e674"},{"url":"https://git.kernel.org/stable/c/3ff54d904fafabd0912796785e53cce4e69ca123"},{"url":"https://git.kernel.org/stable/c/5b7d5c2dd664eb8b9a06ecbc06e28d39359c422e"},{"url":"https://git.kernel.org/stable/c/af5818c35173e096085c6ae2e3aac605d3d15e41"},{"url":"https://git.kernel.org/stable/c/2dcb368fe5a8eee498ca75c93a18ce2f3b0d6a8e"},{"url":"https://git.kernel.org/stable/c/55c91fedd03d7b9cf0c5199b2eb12b9b8e95281a"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:46:28.049Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"4.19.293"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.4.255"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.10.192"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"5.15.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.1.47"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.4.12"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.15","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}