{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2022-50854", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-12-30T12:06:07.134Z", "datePublished": "2025-12-30T12:15:29.792Z", "dateUpdated": "2025-12-30T12:15:29.792Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-12-30T12:15:29.792Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: virtual_ncidev: Fix memory leak in virtual_nci_send()\n\nskb should be free in virtual_nci_send(), otherwise kmemleak will report\nmemleak.\n\nSteps for reproduction (simulated in qemu):\n\tcd tools/testing/selftests/nci\n\tmake\n\t./nci_dev\n\nBUG: memory leak\nunreferenced object 0xffff888107588000 (size 208):\n comm \"nci_dev\", pid 206, jiffies 4294945376 (age 368.248s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<000000008d94c8fd>] __alloc_skb+0x1da/0x290\n [<00000000278bc7f8>] nci_send_cmd+0xa3/0x350\n [<0000000081256a22>] nci_reset_req+0x6b/0xa0\n [<000000009e721112>] __nci_request+0x90/0x250\n [<000000005d556e59>] nci_dev_up+0x217/0x5b0\n [<00000000e618ce62>] nfc_dev_up+0x114/0x220\n [<00000000981e226b>] nfc_genl_dev_up+0x94/0xe0\n [<000000009bb03517>] genl_family_rcv_msg_doit.isra.14+0x228/0x2d0\n [<00000000b7f8c101>] genl_rcv_msg+0x35c/0x640\n [<00000000c94075ff>] netlink_rcv_skb+0x11e/0x350\n [<00000000440cfb1e>] genl_rcv+0x24/0x40\n [<0000000062593b40>] netlink_unicast+0x43f/0x640\n [<000000001d0b13cc>] netlink_sendmsg+0x73a/0xbf0\n [<000000003272487f>] __sys_sendto+0x324/0x370\n [<00000000ef9f1747>] __x64_sys_sendto+0xdd/0x1b0\n [<000000001e437841>] do_syscall_64+0x3f/0x90"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/nfc/virtual_ncidev.c"], "versions": [{"version": "e624e6c3e777fb3dfed036b9da4d433aee3608a5", "lessThan": "88e879c9f59511174ef0ab1a3c9c83e2dbf8a213", "status": "affected", "versionType": "git"}, {"version": "e624e6c3e777fb3dfed036b9da4d433aee3608a5", "lessThan": "2c46a9a5f0b1c7341aa67667801079f3ff571678", "status": "affected", "versionType": "git"}, {"version": "e624e6c3e777fb3dfed036b9da4d433aee3608a5", "lessThan": "e840d8f4a1b323973052a1af5ad4edafcde8ae3d", "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/nfc/virtual_ncidev.c"], "versions": [{"version": "5.12", "status": "affected"}, {"version": "0", "lessThan": "5.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.77", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0.7", "lessThanOrEqual": "6.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1", "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": "5.12", "versionEndExcluding": "5.15.77"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.0.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.12", "versionEndExcluding": "6.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/88e879c9f59511174ef0ab1a3c9c83e2dbf8a213"}, {"url": "https://git.kernel.org/stable/c/2c46a9a5f0b1c7341aa67667801079f3ff571678"}, {"url": "https://git.kernel.org/stable/c/e840d8f4a1b323973052a1af5ad4edafcde8ae3d"}], "title": "nfc: virtual_ncidev: Fix memory leak in virtual_nci_send()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: virtual_ncidev: Fix memory leak in virtual_nci_send()\n\nskb should be free in virtual_nci_send(), otherwise kmemleak will report\nmemleak.\n\nSteps for reproduction (simulated in qemu):\n\tcd tools/testing/selftests/nci\n\tmake\n\t./nci_dev\n\nBUG: memory leak\nunreferenced object 0xffff888107588000 (size 208):\n comm \"nci_dev\", pid 206, jiffies 4294945376 (age 368.248s)\n hex dump (first 32 bytes):\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<000000008d94c8fd>] __alloc_skb+0x1da/0x290\n [<00000000278bc7f8>] nci_send_cmd+0xa3/0x350\n [<0000000081256a22>] nci_reset_req+0x6b/0xa0\n [<000000009e721112>] __nci_request+0x90/0x250\n [<000000005d556e59>] nci_dev_up+0x217/0x5b0\n [<00000000e618ce62>] nfc_dev_up+0x114/0x220\n [<00000000981e226b>] nfc_genl_dev_up+0x94/0xe0\n [<000000009bb03517>] genl_family_rcv_msg_doit.isra.14+0x228/0x2d0\n [<00000000b7f8c101>] genl_rcv_msg+0x35c/0x640\n [<00000000c94075ff>] netlink_rcv_skb+0x11e/0x350\n [<00000000440cfb1e>] genl_rcv+0x24/0x40\n [<0000000062593b40>] netlink_unicast+0x43f/0x640\n [<000000001d0b13cc>] netlink_sendmsg+0x73a/0xbf0\n [<000000003272487f>] __sys_sendto+0x324/0x370\n [<00000000ef9f1747>] __x64_sys_sendto+0xdd/0x1b0\n [<000000001e437841>] do_syscall_64+0x3f/0x90"}], "id": "CVE-2022-50854", "lastModified": "2025-12-31T20:43:05.160", "metrics": {}, "published": "2025-12-30T13:16:00.117", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2c46a9a5f0b1c7341aa67667801079f3ff571678"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/88e879c9f59511174ef0ab1a3c9c83e2dbf8a213"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e840d8f4a1b323973052a1af5ad4edafcde8ae3d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: nfc: virtual_ncidev: Fix memory leak in virtual_nci_send()", "id": "2426161", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2426161"}, "csaw": false, "details": ["No description is available for this CVE."], "name": "CVE-2022-50854", "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": "2025-12-30T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50854\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50854\nhttps://lore.kernel.org/linux-cve-announce/2025123045-CVE-2022-50854-2aec@gregkh/T"]}

{}