{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64367","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-07-19T15:36:31.783Z","datePublished":"2026-07-25T08:50:21.214Z","dateUpdated":"2026-08-17T04:54:16.646Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-08-17T04:54:16.646Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: hid-goodix-spi: validate report size to prevent stack buffer overflow\n\ngoodix_hid_set_raw_report() builds a protocol frame in a 128-byte stack\nbuffer (tmp_buf), writing an 11-12 byte header followed by the\ncaller-supplied report data.  The HID core caps report size at\nHID_MAX_BUFFER_SIZE (16384) by default, while the driver does not set\nhid_ll_driver.max_buffer_size and performs no bounds checking before\ncopying the payload:\n\n    memcpy(tmp_buf + tx_len, buf, len);\n\nA hidraw SET_REPORT ioctl with a report larger than ~116 bytes\noverflows the stack buffer.\n\nAdd a size check after constructing the header, rejecting reports that\nwould exceed the buffer capacity.\n\nDiscovered by Atuin - Automated Vulnerability Discovery Engine."}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":7.8,"baseSeverity":"HIGH"},"scenarios":[{"lang":"en","value":"AV:L - An attacker reaches the flaw locally through a SET_REPORT operation on the Goodix touchscreen's /dev/hidraw device.\nAC:L - A single attacker-controlled report exceeding the 116-117 byte safe payload limit deterministically triggers the overwrite, with no race or external condition required.\nPR:L - The kernel path has no capability or namespace checks; an unprivileged user granted access to the hidraw node can trigger it.\nUI:N - No victim action is required once the attacker can access the device node.\nS:U - Any privilege escalation or kernel compromise remains within the host kernel's security authority.\nC:H - The attacker-controlled stack overwrite can corrupt control data and enable kernel code execution, thereby exposing arbitrary kernel memory.\nI:H - The attacker can overwrite far beyond the 128-byte stack buffer with controlled data, potentially hijacking control flow and modifying arbitrary kernel state.\nA:H - The overflow can reliably trigger stack-canary failure, kernel oops, or panic, and can be repeated through additional SET_REPORT requests."}]}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-goodix-spi.c"],"versions":[{"version":"75e16c8ce283bb88e77704dc8fa041c577caac0f","lessThan":"ad47ad624f2fce0bc44bbadb664242461a97d774","status":"affected","versionType":"git"},{"version":"75e16c8ce283bb88e77704dc8fa041c577caac0f","lessThan":"dae1d000ddfd5c2140b036e47fff0c497ae9c64b","status":"affected","versionType":"git"},{"version":"75e16c8ce283bb88e77704dc8fa041c577caac0f","lessThan":"835fcc8655569737e3f057d42875a96259db74c2","status":"affected","versionType":"git"},{"version":"75e16c8ce283bb88e77704dc8fa041c577caac0f","lessThan":"db0a0768d09273aadadeb76730cd658d720333a4","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/hid/hid-goodix-spi.c"],"versions":[{"version":"6.12","status":"affected"},{"version":"0","lessThan":"6.12","status":"unaffected","versionType":"semver"},{"version":"6.12.96","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.39","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.1.4","lessThanOrEqual":"7.1.*","status":"unaffected","versionType":"semver"},{"version":"7.2","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":"6.12","versionEndExcluding":"6.12.96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"6.18.39"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.1.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.12","versionEndExcluding":"7.2"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ad47ad624f2fce0bc44bbadb664242461a97d774"},{"url":"https://git.kernel.org/stable/c/dae1d000ddfd5c2140b036e47fff0c497ae9c64b"},{"url":"https://git.kernel.org/stable/c/835fcc8655569737e3f057d42875a96259db74c2"},{"url":"https://git.kernel.org/stable/c/db0a0768d09273aadadeb76730cd658d720333a4"}],"title":"HID: hid-goodix-spi: validate report size to prevent stack buffer overflow","x_generator":{"engine":"bippy-1.2.0"}}}}