{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-50556", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-22T13:20:23.758Z", "datePublished": "2025-10-22T13:23:17.527Z", "dateUpdated": "2025-10-22T13:23:17.527Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-10-22T13:23:17.527Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: Fix potential null-ptr-deref due to drmm_mode_config_init()\n\ndrmm_mode_config_init() will call drm_mode_create_standard_properties()\nand won't check the ret value. When drm_mode_create_standard_properties()\nfailed due to alloc, property will be a NULL pointer and may causes the\nnull-ptr-deref. Fix the null-ptr-deref by adding the ret value check.\n\nFound null-ptr-deref while testing insert module bochs:\ngeneral protection fault, probably for non-canonical address\n 0xdffffc000000000c: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]\nCPU: 3 PID: 249 Comm: modprobe Not tainted 6.1.0-rc1+ #364\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014\nRIP: 0010:drm_object_attach_property+0x73/0x3c0 [drm]\nCall Trace:\n <TASK>\n __drm_connector_init+0xb6c/0x1100 [drm]\n bochs_pci_probe.cold.11+0x4cb/0x7fe [bochs]\n pci_device_probe+0x17d/0x340\n really_probe+0x1db/0x5d0\n __driver_probe_device+0x1e7/0x250\n driver_probe_device+0x4a/0x120\n __driver_attach+0xcd/0x2c0\n bus_for_each_dev+0x11a/0x1b0\n bus_add_driver+0x3d7/0x500\n driver_register+0x18e/0x320\n do_one_initcall+0xc4/0x3e0\n do_init_module+0x1b4/0x630\n load_module+0x5dca/0x7230\n __do_sys_finit_module+0x100/0x170\n do_syscall_64+0x3f/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7ff65af9f839"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/gpu/drm/drm_mode_config.c"], "versions": [{"version": "6b4959f43a04e12d39c5700607727f2cbcfeac31", "lessThan": "5ae70041a6d7de62a0cdb2bbcfe0c9cf753035d0", "status": "affected", "versionType": "git"}, {"version": "6b4959f43a04e12d39c5700607727f2cbcfeac31", "lessThan": "d06e827a65a6bcd2e329045d891d0739cec1cf4a", "status": "affected", "versionType": "git"}, {"version": "6b4959f43a04e12d39c5700607727f2cbcfeac31", "lessThan": "b14147464251f66e38fa39f0aae9780466db8610", "status": "affected", "versionType": "git"}, {"version": "6b4959f43a04e12d39c5700607727f2cbcfeac31", "lessThan": "961620ad67611a7320a49f4b6f3c5e2906833a03", "status": "affected", "versionType": "git"}, {"version": "6b4959f43a04e12d39c5700607727f2cbcfeac31", "lessThan": "834c23e4f798dcdc8af251b3c428ceef94741991", "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/drm_mode_config.c"], "versions": [{"version": "4.0", "status": "affected"}, {"version": "0", "lessThan": "4.0", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.173", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.99", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.16", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.3", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "4.0", "versionEndExcluding": "5.10.173"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "5.15.99"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "6.1.16"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "6.2.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.0", "versionEndExcluding": "6.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/5ae70041a6d7de62a0cdb2bbcfe0c9cf753035d0"}, {"url": "https://git.kernel.org/stable/c/d06e827a65a6bcd2e329045d891d0739cec1cf4a"}, {"url": "https://git.kernel.org/stable/c/b14147464251f66e38fa39f0aae9780466db8610"}, {"url": "https://git.kernel.org/stable/c/961620ad67611a7320a49f4b6f3c5e2906833a03"}, {"url": "https://git.kernel.org/stable/c/834c23e4f798dcdc8af251b3c428ceef94741991"}], "title": "drm: Fix potential null-ptr-deref due to drmm_mode_config_init()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm: Fix potential null-ptr-deref due to drmm_mode_config_init()\n\ndrmm_mode_config_init() will call drm_mode_create_standard_properties()\nand won't check the ret value. When drm_mode_create_standard_properties()\nfailed due to alloc, property will be a NULL pointer and may causes the\nnull-ptr-deref. Fix the null-ptr-deref by adding the ret value check.\n\nFound null-ptr-deref while testing insert module bochs:\ngeneral protection fault, probably for non-canonical address\n 0xdffffc000000000c: 0000 [#1] SMP KASAN PTI\nKASAN: null-ptr-deref in range [0x0000000000000060-0x0000000000000067]\nCPU: 3 PID: 249 Comm: modprobe Not tainted 6.1.0-rc1+ #364\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS\nrel-1.15.0-0-g2dd4b9b3f840-prebuilt.qemu.org 04/01/2014\nRIP: 0010:drm_object_attach_property+0x73/0x3c0 [drm]\nCall Trace:\n <TASK>\n __drm_connector_init+0xb6c/0x1100 [drm]\n bochs_pci_probe.cold.11+0x4cb/0x7fe [bochs]\n pci_device_probe+0x17d/0x340\n really_probe+0x1db/0x5d0\n __driver_probe_device+0x1e7/0x250\n driver_probe_device+0x4a/0x120\n __driver_attach+0xcd/0x2c0\n bus_for_each_dev+0x11a/0x1b0\n bus_add_driver+0x3d7/0x500\n driver_register+0x18e/0x320\n do_one_initcall+0xc4/0x3e0\n do_init_module+0x1b4/0x630\n load_module+0x5dca/0x7230\n __do_sys_finit_module+0x100/0x170\n do_syscall_64+0x3f/0x90\n entry_SYSCALL_64_after_hwframe+0x63/0xcd\nRIP: 0033:0x7ff65af9f839"}], "id": "CVE-2022-50556", "lastModified": "2025-10-22T21:12:48.953", "metrics": {}, "published": "2025-10-22T14:15:39.673", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5ae70041a6d7de62a0cdb2bbcfe0c9cf753035d0"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/834c23e4f798dcdc8af251b3c428ceef94741991"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/961620ad67611a7320a49f4b6f3c5e2906833a03"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b14147464251f66e38fa39f0aae9780466db8610"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d06e827a65a6bcd2e329045d891d0739cec1cf4a"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: drm: Fix potential null-ptr-deref due to drmm_mode_config_init()", "id": "2405727", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2405727"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2022-50556", "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": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-10-22T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50556\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50556\nhttps://lore.kernel.org/linux-cve-announce/2025102203-CVE-2022-50556-bbe2@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-10-23T10:07:33.987557+00:00", "updated": "2025-10-23T10:07:33.987583+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}