CVE-2022-50372

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["fs/cifs/smb2pdu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "fa5a70bdd5e565c8696fb04dfe18a4e8aff4695d", "status": "affected", "version": "49bd49f983b5026e4557d31c5d737d9657c4113e", "versionType": "git"}, {"lessThan": "30b2d7f8f13664655480d6af45f60270b3eb6736", "status": "affected", "version": "49bd49f983b5026e4557d31c5d737d9657c4113e", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["fs/cifs/smb2pdu.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.16"}, {"lessThan": "5.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.0.*", "status": "unaffected", "version": "6.0.6", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.1", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "98F5FA4A-A33F-4FAD-894E-FDC9D295742A", "versionEndExcluding": "6.0.6", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.1:rc1:*:*:*:*:*:*", "matchCriteriaId": "E7E331DA-1FB0-4DEC-91AC-7DA69D461C11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncifs: Fix memory leak when build ntlmssp negotiate blob failed\n\nThere is a memory leak when mount cifs:\n unreferenced object 0xffff888166059600 (size 448):\n comm \"mount.cifs\", pid 51391, jiffies 4295596373 (age 330.596s)\n hex dump (first 32 bytes):\n fe 53 4d 42 40 00 00 00 00 00 00 00 01 00 82 00 .SMB@...........\n 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................\n backtrace:\n [<0000000060609a61>] mempool_alloc+0xe1/0x260\n [<00000000adfa6c63>] cifs_small_buf_get+0x24/0x60\n [<00000000ebb404c7>] __smb2_plain_req_init+0x32/0x460\n [<00000000bcf875b4>] SMB2_sess_alloc_buffer+0xa4/0x3f0\n [<00000000753a2987>] SMB2_sess_auth_rawntlmssp_negotiate+0xf5/0x480\n [<00000000f0c1f4f9>] SMB2_sess_setup+0x253/0x410\n [<00000000a8b83303>] cifs_setup_session+0x18f/0x4c0\n [<00000000854bd16d>] cifs_get_smb_ses+0xae7/0x13c0\n [<000000006cbc43d9>] mount_get_conns+0x7a/0x730\n [<000000005922d816>] cifs_mount+0x103/0xd10\n [<00000000e33def3b>] cifs_smb3_do_mount+0x1dd/0xc90\n [<0000000078034979>] smb3_get_tree+0x1d5/0x300\n [<000000004371f980>] vfs_get_tree+0x41/0xf0\n [<00000000b670d8a7>] path_mount+0x9b3/0xdd0\n [<000000005e839a7d>] __x64_sys_mount+0x190/0x1d0\n [<000000009404c3b9>] do_syscall_64+0x35/0x80\n\nWhen build ntlmssp negotiate blob failed, the session setup request\nshould be freed."}], "id": "CVE-2022-50372", "lastModified": "2026-06-17T05:23:21.740", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-50372", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-01-14T18:36:31.603396Z", "version": "2.0.3"}}]}, "published": "2025-09-17T15:15:36.187", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/30b2d7f8f13664655480d6af45f60270b3eb6736"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fa5a70bdd5e565c8696fb04dfe18a4e8aff4695d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-401"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

{"bugzilla": {"description": "kernel: cifs: Fix memory leak when build ntlmssp negotiate blob failed", "id": "2396108", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2396108"}, "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-2022-50372", "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": "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": "2025-09-17T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-50372\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50372\nhttps://lore.kernel.org/linux-cve-announce/2025091717-CVE-2022-50372-e3b5@gregkh/T"], "threat_severity": "Low"}

{"created": "2025-09-18T11:59:10.679023+00:00", "updated": "2025-09-18T11:59:10.679076+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}