{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-23149","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-01-13T15:37:45.975Z","datePublished":"2026-02-14T16:01:18.281Z","dateUpdated":"2026-05-11T22:01:09.528Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:01:09.528Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: Do not allow userspace to trigger kernel warnings in drm_gem_change_handle_ioctl()\n\nSince GEM bo handles are u32 in the uapi and the internal implementation\nuses idr_alloc() which uses int ranges, passing a new handle larger than\nINT_MAX trivially triggers a kernel warning:\n\nidr_alloc():\n...\n\tif (WARN_ON_ONCE(start < 0))\n\t\treturn -EINVAL;\n...\n\nFix it by rejecting new handles above INT_MAX and at the same time make\nthe end limit calculation more obvious by moving into int domain."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_gem.c"],"versions":[{"version":"53096728b8910c6916ecc6c46a5abc5c678b58d9","lessThan":"ae8831ee0fb2f5f41f39722e7b3749d65bb78d08","status":"affected","versionType":"git"},{"version":"53096728b8910c6916ecc6c46a5abc5c678b58d9","lessThan":"12f15d52d38ac53f7c70ea3d4b3d76afed04e064","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/drm_gem.c"],"versions":[{"version":"6.18","status":"affected"},{"version":"0","lessThan":"6.18","status":"unaffected","versionType":"semver"},{"version":"6.18.9","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.18.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.18","versionEndExcluding":"6.19"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ae8831ee0fb2f5f41f39722e7b3749d65bb78d08"},{"url":"https://git.kernel.org/stable/c/12f15d52d38ac53f7c70ea3d4b3d76afed04e064"}],"title":"drm: Do not allow userspace to trigger kernel warnings in drm_gem_change_handle_ioctl()","x_generator":{"engine":"bippy-1.2.0"}}}}