{"id":"CVE-2026-43269","summary":"drm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback\n\nAfter several commits, the slab memory increases. Some drm_crtc_commit\nobjects are not freed. The atomic_destroy_state callback only put the\nframebuffer. Use the __drm_atomic_helper_plane_destroy_state() function\nto put all the objects that are no longer needed.\n\nIt has been seen after hours of usage of a graphics application or using\nkmemleak:\n\nunreferenced object 0xc63a6580 (size 64):\n  comm \"egt_basic\", pid 171, jiffies 4294940784\n  hex dump (first 32 bytes):\n    40 50 34 c5 01 00 00 00 ff ff ff ff 8c 65 3a c6  @P4..........e:.\n    8c 65 3a c6 ff ff ff ff 98 65 3a c6 98 65 3a c6  .e:......e:..e:.\n  backtrace (crc c25aa925):\n    kmemleak_alloc+0x34/0x3c\n    __kmalloc_cache_noprof+0x150/0x1a4\n    drm_atomic_helper_setup_commit+0x1e8/0x7bc\n    drm_atomic_helper_commit+0x3c/0x15c\n    drm_atomic_commit+0xc0/0xf4\n    drm_atomic_helper_set_config+0x84/0xb8\n    drm_mode_setcrtc+0x32c/0x810\n    drm_ioctl+0x20c/0x488\n    sys_ioctl+0x14c/0xc20\n    ret_fast_syscall+0x0/0x54","modified":"2026-06-18T03:57:43.311831425Z","published":"2026-05-06T11:28:54.178Z","database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43269.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/082271e364a3205598c2e4e6233a9f49ce7941cf"},{"type":"WEB","url":"https://git.kernel.org/stable/c/25e832a7830740e72103eb0b527680a4b64bbcb3"},{"type":"WEB","url":"https://git.kernel.org/stable/c/3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5718d98976ad6b9700e5a6afec67fc47a8a92580"},{"type":"WEB","url":"https://git.kernel.org/stable/c/57fa3487acfa3467405f8506b94682abd96e7393"},{"type":"WEB","url":"https://git.kernel.org/stable/c/6d4e91ab97fda64e8cf9c8881cc3b4da026bd849"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ec40702029b08ee8d5f5b03303d64a10e74a957b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f12352471061df83a36edf54bbb16284793284e4"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43269.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43269"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"2389fc1305fc1e2cf8b310a75463fefd3058bf48"},{"fixed":"6d4e91ab97fda64e8cf9c8881cc3b4da026bd849"},{"fixed":"5718d98976ad6b9700e5a6afec67fc47a8a92580"},{"fixed":"57fa3487acfa3467405f8506b94682abd96e7393"},{"fixed":"ec40702029b08ee8d5f5b03303d64a10e74a957b"},{"fixed":"25e832a7830740e72103eb0b527680a4b64bbcb3"},{"fixed":"082271e364a3205598c2e4e6233a9f49ce7941cf"},{"fixed":"3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489"},{"fixed":"f12352471061df83a36edf54bbb16284793284e4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43269.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.1.0"},{"fixed":"5.10.252"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.202"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.165"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.128"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.75"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"6.19.6"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43269.json"}}],"schema_version":"1.7.5"}