{"id":"CVE-2026-43287","state":"PUBLISHED","title":"drm: Account property blob allocations to memcg","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: Account property blob allocations to memcg\n\nDRM_IOCTL_MODE_CREATEPROPBLOB allows userspace to allocate arbitrary-sized\nproperty blobs backed by kernel memory.\n\nCurrently, the blob data allocation is not accounted to the allocating\nprocess's memory cgroup, allowing unprivileged users to trigger unbounded\nkernel memory consumption and potentially cause system-wide OOM.\n\nMark the property blob data allocation with GFP_KERNEL_ACCOUNT so that the memory\nis properly charged to the caller's memcg. This ensures existing cgroup\nmemory limits apply and prevents uncontrolled kernel memory growth without\nintroducing additional policy or per-file limits.","publishedAt":"2026-05-08T13:11:12.541Z","updatedAt":"2026-05-11T22:21:38.413Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"b6117210ed349356f8e6027ff020b4d620bca42b","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"815fa29cab3c67bebb9d0b5f41145cdd3a14d04d","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"866e0c1a9e7244d58ed74853cb22b81e1900cfdd","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"bbfaa5761f589a81031b493cb01275a990d6fb25","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"8e1664b9ee43608eb973d357ae5d858d30cbc9ca","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"405fd652d8fedff219a8f48daf8f20e881e303ab","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"26b4309a3ab82a0697751cde52eb336c29c19035","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_property.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_property.c"]}],"references":["https://git.kernel.org/stable/c/b6117210ed349356f8e6027ff020b4d620bca42b","https://git.kernel.org/stable/c/815fa29cab3c67bebb9d0b5f41145cdd3a14d04d","https://git.kernel.org/stable/c/866e0c1a9e7244d58ed74853cb22b81e1900cfdd","https://git.kernel.org/stable/c/bbfaa5761f589a81031b493cb01275a990d6fb25","https://git.kernel.org/stable/c/8e1664b9ee43608eb973d357ae5d858d30cbc9ca","https://git.kernel.org/stable/c/cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4","https://git.kernel.org/stable/c/405fd652d8fedff219a8f48daf8f20e881e303ab","https://git.kernel.org/stable/c/26b4309a3ab82a0697751cde52eb336c29c19035"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43287.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43287","state":"PUBLISHED","datePublished":"2026-05-08T13:11:12.541Z","dateUpdated":"2026-05-11T22:21:38.413Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.999Z"},"containers":{"cna":{"title":"drm: Account property blob allocations to memcg","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: Account property blob allocations to memcg\n\nDRM_IOCTL_MODE_CREATEPROPBLOB allows userspace to allocate arbitrary-sized\nproperty blobs backed by kernel memory.\n\nCurrently, the blob data allocation is not accounted to the allocating\nprocess's memory cgroup, allowing unprivileged users to trigger unbounded\nkernel memory consumption and potentially cause system-wide OOM.\n\nMark the property blob data allocation with GFP_KERNEL_ACCOUNT so that the memory\nis properly charged to the caller's memcg. This ensures existing cgroup\nmemory limits apply and prevents uncontrolled kernel memory growth without\nintroducing additional policy or per-file limits."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"b6117210ed349356f8e6027ff020b4d620bca42b","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"815fa29cab3c67bebb9d0b5f41145cdd3a14d04d","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"866e0c1a9e7244d58ed74853cb22b81e1900cfdd","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"bbfaa5761f589a81031b493cb01275a990d6fb25","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"8e1664b9ee43608eb973d357ae5d858d30cbc9ca","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"405fd652d8fedff219a8f48daf8f20e881e303ab","versionType":"git"},{"version":"e2f5d2ea479b9b2619965d43db70939589afe43a","status":"affected","lessThan":"26b4309a3ab82a0697751cde52eb336c29c19035","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_property.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.2","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.2","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.16","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.6","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_property.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b6117210ed349356f8e6027ff020b4d620bca42b"},{"url":"https://git.kernel.org/stable/c/815fa29cab3c67bebb9d0b5f41145cdd3a14d04d"},{"url":"https://git.kernel.org/stable/c/866e0c1a9e7244d58ed74853cb22b81e1900cfdd"},{"url":"https://git.kernel.org/stable/c/bbfaa5761f589a81031b493cb01275a990d6fb25"},{"url":"https://git.kernel.org/stable/c/8e1664b9ee43608eb973d357ae5d858d30cbc9ca"},{"url":"https://git.kernel.org/stable/c/cb8b9a1755fe9f38e4fb7f287486d7e7fab3dba4"},{"url":"https://git.kernel.org/stable/c/405fd652d8fedff219a8f48daf8f20e881e303ab"},{"url":"https://git.kernel.org/stable/c/26b4309a3ab82a0697751cde52eb336c29c19035"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:21:38.413Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.2","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}