{"id":"CVE-2024-39509","state":"PUBLISHED","title":"HID: core: remove unnecessary WARN_ON() in implement()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: core: remove unnecessary WARN_ON() in implement()\n\nSyzkaller hit a warning [1] in a call to implement() when trying\nto write a value into a field of smaller size in an output report.\n\nSince implement() already has a warn message printed out with the\nhelp of hid_warn() and value in question gets trimmed with:\n\t...\n\tvalue &= m;\n\t...\nWARN_ON may be considered superfluous. Remove it to suppress future\nsyzkaller triggers.\n\n[1]\nWARNING: CPU: 0 PID: 5084 at drivers/hid/hid-core.c:1451 implement drivers/hid/hid-core.c:1451 [inline]\nWARNING: CPU: 0 PID: 5084 at drivers/hid/hid-core.c:1451 hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863\nModules linked in:\nCPU: 0 PID: 5084 Comm: syz-executor424 Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024\nRIP: 0010:implement drivers/hid/hid-core.c:1451 [inline]\nRIP: 0010:hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863\n...\nCall Trace:\n <TASK>\n __usbhid_submit_report drivers/hid/usbhid/hid-core.c:591 [inline]\n usbhid_submit_report+0x43d/0x9e0 drivers/hid/usbhid/hid-core.c:636\n hiddev_ioctl+0x138b/0x1f00 drivers/hid/usbhid/hiddev.c:726\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:904 [inline]\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n...","publishedAt":"2024-07-12T12:20:40.257Z","updatedAt":"2026-10-15T00:44:47.253Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"955b3764671f3f157215194972d9c01a3a4bd316","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"f9db5fbeffb951cac3f0fb1c2eeffb79785399ca","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"33f6832798dd3297317901cc1db556ac3ae80c24","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"8bac61934cd563b073cd30b8cf6d5c758ab5ab26","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"bfd546fc7fd76076f81bf41b85b51ceda30949fd","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"30f76bc468b9b2cbbd5d3eb482661e3e4798893f","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"655c6de2f215b61d0708db6b06305eee9bbfeba2","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"4aa2dcfbad538adf7becd0034a3754e1bd01b2b5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"4.19.317","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.279","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.221","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.162","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.95","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.35","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.6","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-core.c"]}],"references":["https://git.kernel.org/stable/c/955b3764671f3f157215194972d9c01a3a4bd316","https://git.kernel.org/stable/c/f9db5fbeffb951cac3f0fb1c2eeffb79785399ca","https://git.kernel.org/stable/c/33f6832798dd3297317901cc1db556ac3ae80c24","https://git.kernel.org/stable/c/8bac61934cd563b073cd30b8cf6d5c758ab5ab26","https://git.kernel.org/stable/c/bfd546fc7fd76076f81bf41b85b51ceda30949fd","https://git.kernel.org/stable/c/30f76bc468b9b2cbbd5d3eb482661e3e4798893f","https://git.kernel.org/stable/c/655c6de2f215b61d0708db6b06305eee9bbfeba2","https://git.kernel.org/stable/c/4aa2dcfbad538adf7becd0034a3754e1bd01b2b5","https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html","https://cert-portal.siemens.com/productcert/html/ssa-265688.html","https://cert-portal.siemens.com/productcert/html/ssa-355557.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:07:39.287Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/39xxx/CVE-2024-39509.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-39509","state":"PUBLISHED","datePublished":"2024-07-12T12:20:40.257Z","dateUpdated":"2026-10-15T00:44:47.253Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-06-25T14:23:23.753Z"},"containers":{"cna":{"title":"HID: core: remove unnecessary WARN_ON() in implement()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nHID: core: remove unnecessary WARN_ON() in implement()\n\nSyzkaller hit a warning [1] in a call to implement() when trying\nto write a value into a field of smaller size in an output report.\n\nSince implement() already has a warn message printed out with the\nhelp of hid_warn() and value in question gets trimmed with:\n\t...\n\tvalue &= m;\n\t...\nWARN_ON may be considered superfluous. Remove it to suppress future\nsyzkaller triggers.\n\n[1]\nWARNING: CPU: 0 PID: 5084 at drivers/hid/hid-core.c:1451 implement drivers/hid/hid-core.c:1451 [inline]\nWARNING: CPU: 0 PID: 5084 at drivers/hid/hid-core.c:1451 hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863\nModules linked in:\nCPU: 0 PID: 5084 Comm: syz-executor424 Not tainted 6.9.0-rc7-syzkaller-00183-gcf87f46fd34d #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/02/2024\nRIP: 0010:implement drivers/hid/hid-core.c:1451 [inline]\nRIP: 0010:hid_output_report+0x548/0x760 drivers/hid/hid-core.c:1863\n...\nCall Trace:\n <TASK>\n __usbhid_submit_report drivers/hid/usbhid/hid-core.c:591 [inline]\n usbhid_submit_report+0x43d/0x9e0 drivers/hid/usbhid/hid-core.c:636\n hiddev_ioctl+0x138b/0x1f00 drivers/hid/usbhid/hiddev.c:726\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:904 [inline]\n __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:890\n do_syscall_x64 arch/x86/entry/common.c:52 [inline]\n do_syscall_64+0xf5/0x240 arch/x86/entry/common.c:83\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n..."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"955b3764671f3f157215194972d9c01a3a4bd316","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"f9db5fbeffb951cac3f0fb1c2eeffb79785399ca","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"33f6832798dd3297317901cc1db556ac3ae80c24","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"8bac61934cd563b073cd30b8cf6d5c758ab5ab26","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"bfd546fc7fd76076f81bf41b85b51ceda30949fd","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"30f76bc468b9b2cbbd5d3eb482661e3e4798893f","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"655c6de2f215b61d0708db6b06305eee9bbfeba2","versionType":"git"},{"version":"95d1c8951e5bd50bb89654a99a7012b1e75646bd","status":"affected","lessThan":"4aa2dcfbad538adf7becd0034a3754e1bd01b2b5","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-core.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"4.19.317","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.279","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.221","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.162","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.95","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.35","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.9.6","status":"unaffected","lessThanOrEqual":"6.9.*","versionType":"semver"},{"version":"6.10","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/hid/hid-core.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/955b3764671f3f157215194972d9c01a3a4bd316"},{"url":"https://git.kernel.org/stable/c/f9db5fbeffb951cac3f0fb1c2eeffb79785399ca"},{"url":"https://git.kernel.org/stable/c/33f6832798dd3297317901cc1db556ac3ae80c24"},{"url":"https://git.kernel.org/stable/c/8bac61934cd563b073cd30b8cf6d5c758ab5ab26"},{"url":"https://git.kernel.org/stable/c/bfd546fc7fd76076f81bf41b85b51ceda30949fd"},{"url":"https://git.kernel.org/stable/c/30f76bc468b9b2cbbd5d3eb482661e3e4798893f"},{"url":"https://git.kernel.org/stable/c/655c6de2f215b61d0708db6b06305eee9bbfeba2"},{"url":"https://git.kernel.org/stable/c/4aa2dcfbad538adf7becd0034a3754e1bd01b2b5"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T20:21:55.347Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"4.19.317"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.4.279"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.10.221"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"5.15.162"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.1.95"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.6.35"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.9.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.7","versionEndExcluding":"6.10"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE 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