{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-20T05:28:14.184","vulnerabilities":[{"cve":{"id":"CVE-2023-53991","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-12-24T11:15:52.000","lastModified":"2026-04-15T00:35:42.020","vulnStatus":"Deferred","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/msm/dpu: Disallow unallocated resources to be returned\n\nIn the event that the topology requests resources that have not been\ncreated by the system (because they are typically not represented in\ndpu_mdss_cfg ^1), the resource(s) in global_state (in this case DSC\nblocks, until their allocation/assignment is being sanity-checked in\n\"drm/msm/dpu: Reject topologies for which no DSC blocks are available\")\nremain NULL but will still be returned out of\ndpu_rm_get_assigned_resources, where the caller expects to get an array\ncontaining num_blks valid pointers (but instead gets these NULLs).\n\nTo prevent this from happening, where null-pointer dereferences\ntypically result in a hard-to-debug platform lockup, num_blks shouldn't\nincrease past NULL blocks and will print an error and break instead.\nAfter all, max_blks represents the static size of the maximum number of\nblocks whereas the actual amount varies per platform.\n\n^1: which can happen after a git rebase ended up moving additions to\n_dpu_cfg to a different struct which has the same patch context.\n\nPatchwork: https://patchwork.freedesktop.org/patch/517636/"}],"metrics":{},"references":[{"url":"https://git.kernel.org/stable/c/8dbd54d679e3ab37be43bc1ed9f463dbf83a2259","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9e1e236acdc42b5c43ec8d7f03a39537e70cc309","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/9fe3644c720ac87d150f0bba5a4ae86cae55afaf","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/abc40122d9a69f56c04efb5a7485795f5ac799d1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bf661c5e3bc48973acb363c76e3db965d9ed26d0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}]}}]}