{"id":"CVE-2026-43269","state":"PUBLISHED","title":"drm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback","description":"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","publishedAt":"2026-05-06T11:28:54.178Z","updatedAt":"2026-05-11T22:21:17.527Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"6d4e91ab97fda64e8cf9c8881cc3b4da026bd849","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"5718d98976ad6b9700e5a6afec67fc47a8a92580","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"57fa3487acfa3467405f8506b94682abd96e7393","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"ec40702029b08ee8d5f5b03303d64a10e74a957b","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"25e832a7830740e72103eb0b527680a4b64bbcb3","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"082271e364a3205598c2e4e6233a9f49ce7941cf","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"f12352471061df83a36edf54bbb16284793284e4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","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/atmel-hlcdc/atmel_hlcdc_plane.c"]}],"references":["https://git.kernel.org/stable/c/6d4e91ab97fda64e8cf9c8881cc3b4da026bd849","https://git.kernel.org/stable/c/5718d98976ad6b9700e5a6afec67fc47a8a92580","https://git.kernel.org/stable/c/57fa3487acfa3467405f8506b94682abd96e7393","https://git.kernel.org/stable/c/ec40702029b08ee8d5f5b03303d64a10e74a957b","https://git.kernel.org/stable/c/25e832a7830740e72103eb0b527680a4b64bbcb3","https://git.kernel.org/stable/c/082271e364a3205598c2e4e6233a9f49ce7941cf","https://git.kernel.org/stable/c/3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489","https://git.kernel.org/stable/c/f12352471061df83a36edf54bbb16284793284e4"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/43xxx/CVE-2026-43269.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43269","state":"PUBLISHED","datePublished":"2026-05-06T11:28:54.178Z","dateUpdated":"2026-05-11T22:21:17.527Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-01T14:12:55.997Z"},"containers":{"cna":{"title":"drm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback","descriptions":[{"lang":"en","value":"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"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"6d4e91ab97fda64e8cf9c8881cc3b4da026bd849","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"5718d98976ad6b9700e5a6afec67fc47a8a92580","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"57fa3487acfa3467405f8506b94682abd96e7393","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"ec40702029b08ee8d5f5b03303d64a10e74a957b","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"25e832a7830740e72103eb0b527680a4b64bbcb3","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"082271e364a3205598c2e4e6233a9f49ce7941cf","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489","versionType":"git"},{"version":"2389fc1305fc1e2cf8b310a75463fefd3058bf48","status":"affected","lessThan":"f12352471061df83a36edf54bbb16284793284e4","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.1","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.1","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/atmel-hlcdc/atmel_hlcdc_plane.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/6d4e91ab97fda64e8cf9c8881cc3b4da026bd849"},{"url":"https://git.kernel.org/stable/c/5718d98976ad6b9700e5a6afec67fc47a8a92580"},{"url":"https://git.kernel.org/stable/c/57fa3487acfa3467405f8506b94682abd96e7393"},{"url":"https://git.kernel.org/stable/c/ec40702029b08ee8d5f5b03303d64a10e74a957b"},{"url":"https://git.kernel.org/stable/c/25e832a7830740e72103eb0b527680a4b64bbcb3"},{"url":"https://git.kernel.org/stable/c/082271e364a3205598c2e4e6233a9f49ce7941cf"},{"url":"https://git.kernel.org/stable/c/3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489"},{"url":"https://git.kernel.org/stable/c/f12352471061df83a36edf54bbb16284793284e4"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:21:17.527Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.1","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}