{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-43269", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-01T14:12:55.997Z", "datePublished": "2026-05-06T11:28:54.178Z", "dateUpdated": "2026-05-11T22:21:17.527Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T22:21:17.527Z"}, "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": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": 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"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"}], "title": "drm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AFCC1430-2194-4A37-8732-891682CC5E8B", "versionEndExcluding": "5.10.252", "versionStartIncluding": "4.1", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4002FC2B-1456-4666-B240-0EBF590C4671", "versionEndExcluding": "5.15.202", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "797C7F46-D0BE-4FB8-A502-C5EF8E6B6654", "versionEndExcluding": "6.1.165", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "851E9353-6C09-4CC9-877E-E09DB164A3C2", "versionEndExcluding": "6.6.128", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "BCE16369-98ED-41CF-8995-DFDC10B288D2", "versionEndExcluding": "6.12.75", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "B4B8CDA9-BADF-4CF5-8B3B-702DE8EEA40B", "versionEndExcluding": "6.18.16", "versionStartIncluding": "6.13", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "373EEEDA-FAA1-4FB4-B6ED-DB4DD99DBE67", "versionEndExcluding": "6.19.6", "versionStartIncluding": "6.19", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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"}], "id": "CVE-2026-43269", "lastModified": "2026-05-08T19:40:49.737", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-05-06T12:16:48.053", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/082271e364a3205598c2e4e6233a9f49ce7941cf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/25e832a7830740e72103eb0b527680a4b64bbcb3"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3e64e78f4a70e3f6ac8fe5a7071f08ffd25a2489"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/5718d98976ad6b9700e5a6afec67fc47a8a92580"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/57fa3487acfa3467405f8506b94682abd96e7393"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d4e91ab97fda64e8cf9c8881cc3b4da026bd849"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/ec40702029b08ee8d5f5b03303d64a10e74a957b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f12352471061df83a36edf54bbb16284793284e4"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: drm/atmel-hlcdc: fix memory leak from the atomic_destroy_state callback", "id": "2467077", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2467077"}, "csaw": false, "cwe": "CWE-763", "details": ["A flaw was found in the Linux kernel's drm/atmel-hlcdc component. The `atomic_destroy_state` callback in the `drm/atmel-hlcdc` driver does not correctly release all allocated objects, specifically `drm_crtc_commit` objects. This oversight leads to a memory leak, where system memory gradually increases. Over extended periods, this can result in resource exhaustion and a Denial of Service (DoS) for the affected system."], "name": "CVE-2026-43269", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-05-06T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-43269\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-43269\nhttps://lore.kernel.org/linux-cve-announce/2026050609-CVE-2026-43269-7e91@gregkh/T"]}

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