{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-43206","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-01T14:12:55.993Z","datePublished":"2026-05-06T11:28:10.937Z","dateUpdated":"2026-05-11T22:20:02.710Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T22:20:02.710Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()\n\nThe kfd_event_page_set() function writes KFD_SIGNAL_EVENT_LIMIT * 8\nbytes via memset without checking the buffer size parameter. This allows\nunprivileged userspace to trigger an out-of bounds kernel memory write\nby passing a small buffer, leading to  potential privilege\nescalation."}],"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"}}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/gpu/drm/amd/amdkfd/kfd_events.c"],"versions":[{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"3e04bc310d80b46eaf481f1fefcbcb37a187412d","status":"affected","versionType":"git"},{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"de8d7a25cd2eb5875b1d8d4fbc7fe4b4138b781f","status":"affected","versionType":"git"},{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"b4034442cb090e4a980bdcc1540948606cbc951b","status":"affected","versionType":"git"},{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"4857c37c7ba9aa38b9a4c694e8bd8d0091c87940","status":"affected","versionType":"git"},{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"75fb57efdd7863fffbc39db23e9cad7aafda26ed","status":"affected","versionType":"git"},{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"bfcd6b53e1f4feb182952f4ff9a137c36ceaf20b","status":"affected","versionType":"git"},{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"4e72f419e4ed44cb3b60506752d8688c20a60a9b","status":"affected","versionType":"git"},{"version":"0fc8011f89feb8b2c3008583b777d097e1974660","lessThan":"8a70a26c9f34baea6c3199a9862ddaff4554a96d","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/gpu/drm/amd/amdkfd/kfd_events.c"],"versions":[{"version":"4.17","status":"affected"},{"version":"0","lessThan":"4.17","status":"unaffected","versionType":"semver"},{"version":"5.10.252","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.202","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.165","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.128","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.75","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.16","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"6.19.6","lessThanOrEqual":"6.19.*","status":"unaffected","versionType":"semver"},{"version":"7.0","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":"4.17","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.18.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"6.19.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.17","versionEndExcluding":"7.0"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/3e04bc310d80b46eaf481f1fefcbcb37a187412d"},{"url":"https://git.kernel.org/stable/c/de8d7a25cd2eb5875b1d8d4fbc7fe4b4138b781f"},{"url":"https://git.kernel.org/stable/c/b4034442cb090e4a980bdcc1540948606cbc951b"},{"url":"https://git.kernel.org/stable/c/4857c37c7ba9aa38b9a4c694e8bd8d0091c87940"},{"url":"https://git.kernel.org/stable/c/75fb57efdd7863fffbc39db23e9cad7aafda26ed"},{"url":"https://git.kernel.org/stable/c/bfcd6b53e1f4feb182952f4ff9a137c36ceaf20b"},{"url":"https://git.kernel.org/stable/c/4e72f419e4ed44cb3b60506752d8688c20a60a9b"},{"url":"https://git.kernel.org/stable/c/8a70a26c9f34baea6c3199a9862ddaff4554a96d"}],"title":"drm/amdkfd: Fix out-of-bounds write in kfd_event_page_set()","x_generator":{"engine":"bippy-1.2.0"}}}}