{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49956", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.382Z", "datePublished": "2025-06-18T11:00:18.341Z", "dateUpdated": "2025-06-18T11:00:18.341Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:00:18.341Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix use after free bugs\n\n_Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl()\nfunctions don't do anything except free the \"pcmd\" pointer. It\nresults in a use after free. Delete them."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/staging/rtl8712/rtl8712_cmd.c"], "versions": [{"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "7dce6b0ee7d78667d6c831ced957a08769973063", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "376e15487fec837301d888068a3fcc82efb6171a", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "d0aac7146e96bf39e79c65087d21dfa02ef8db38", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "19e3f69d19801940abc2ac37c169882769ed9770", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "dc02aaf950015850e7589696521c7fca767cea77", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "b1727def850904e4b8ba384043775672841663a1", "status": "affected", "versionType": "git"}, {"version": "2865d42c78a9121caad52cb02d1fbb7f5cdbc4ef", "lessThan": "e230a4455ac3e9b112f0367d1b8e255e141afae0", "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/staging/rtl8712/rtl8712_cmd.c"], "versions": [{"version": "2.6.37", "status": "affected"}, {"version": "0", "lessThan": "2.6.37", "status": "unaffected", "versionType": "semver"}, {"version": "4.9.328", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.14.293", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.258", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.213", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.142", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.66", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "2.6.37", "versionEndExcluding": "4.9.328"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "4.14.293"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "4.19.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.4.213"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.10.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.15.66"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "5.19.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.37", "versionEndExcluding": "6.0"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063"}, {"url": "https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a"}, {"url": "https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27"}, {"url": "https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38"}, {"url": "https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770"}, {"url": "https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77"}, {"url": "https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1"}, {"url": "https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0"}], "title": "staging: rtl8712: fix use after free bugs", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8712: fix use after free bugs\n\n_Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl()\nfunctions don't do anything except free the \"pcmd\" pointer. It\nresults in a use after free. Delete them."}], "id": "CVE-2022-49956", "lastModified": "2025-06-18T13:46:52.973", "metrics": {}, "published": "2025-06-18T11:15:22.773", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/19e3f69d19801940abc2ac37c169882769ed9770"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/376e15487fec837301d888068a3fcc82efb6171a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7dce6b0ee7d78667d6c831ced957a08769973063"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9fd6170c5e2d0ccd027abe26f6f5ffc528e1bb27"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b1727def850904e4b8ba384043775672841663a1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d0aac7146e96bf39e79c65087d21dfa02ef8db38"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dc02aaf950015850e7589696521c7fca767cea77"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e230a4455ac3e9b112f0367d1b8e255e141afae0"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: staging: rtl8712: fix use after free bugs", "id": "2373413", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373413"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-416", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nstaging: rtl8712: fix use after free bugs\n_Read/Write_MACREG callbacks are NULL so the read/write_macreg_hdl()\nfunctions don't do anything except free the \"pcmd\" pointer. It\nresults in a use after free. Delete them."], "name": "CVE-2022-49956", "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": "Under investigation", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Under investigation", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49956\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49956\nhttps://lore.kernel.org/linux-cve-announce/2025061812-CVE-2022-49956-6aa4@gregkh/T"], "threat_severity": "Moderate"}