CVE-2022-50065

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/virtio_net.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "faafa2a87f697ee537c29446097e1cc3143506fa", "status": "affected", "version": "44fa2dbd475996ddc8f3a0e6113dee983e0ee3aa", "versionType": "git"}, {"lessThan": "d3723eab11196475ef83279571b2b0bd0924cf82", "status": "affected", "version": "44fa2dbd475996ddc8f3a0e6113dee983e0ee3aa", "versionType": "git"}, {"lessThan": "18e383afbd7047af7b055df6e25436e0ce28f8a5", "status": "affected", "version": "44fa2dbd475996ddc8f3a0e6113dee983e0ee3aa", "versionType": "git"}, {"lessThan": "7a542bee27c6a57e45c33cbbdc963325fd6493af", "status": "affected", "version": "44fa2dbd475996ddc8f3a0e6113dee983e0ee3aa", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/virtio_net.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.18"}, {"lessThan": "4.18", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.138", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.63", "versionType": "semver"}, {"lessThanOrEqual": "5.19.*", "status": "unaffected", "version": "5.19.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.0", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8E12105A-28C7-4D2D-8E99-5D847A035ABB", "versionEndExcluding": "5.10.138", "versionStartIncluding": "4.18", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "D5744A03-DA40-4A78-9063-13179361DC6D", "versionEndExcluding": "5.15.63", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0E669300-DA42-4ACD-86D8-68BE5F29FB88", "versionEndExcluding": "5.19.4", "versionStartIncluding": "5.16", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nvirtio_net: fix memory leak inside XPD_TX with mergeable\n\nWhen we call xdp_convert_buff_to_frame() to get xdpf, if it returns\nNULL, we should check if xdp_page was allocated by xdp_linearize_page().\nIf it is newly allocated, it should be freed here alone. Just like any\nother \"goto err_xdp\"."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: virtio_net: se corrige una fuga de memoria dentro de XPD_TX con un objeto fusionable. Al llamar a xdp_convert_buff_to_frame() para obtener xdpf, si devuelve NULL, debemos comprobar si xdp_page fue asignado por xdp_linearize_page(). Si es una asignaci\u00f3n reciente, debe liberarse aqu\u00ed \u00fanicamente. Al igual que con cualquier otro \"goto err_xdp\"."}], "id": "CVE-2022-50065", "lastModified": "2026-11-05T20:17:21.970", "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2022-50065", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T19:53:36.753561Z", "version": "2.0.3"}}]}, "published": "2025-06-18T11:15:35.267", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/18e383afbd7047af7b055df6e25436e0ce28f8a5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/7a542bee27c6a57e45c33cbbdc963325fd6493af"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d3723eab11196475ef83279571b2b0bd0924cf82"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/faafa2a87f697ee537c29446097e1cc3143506fa"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-401"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: virtio_net: fix memory leak inside XPD_TX with mergeable", "id": "2373617", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373617"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nvirtio_net: fix memory leak inside XPD_TX with mergeable\nWhen we call xdp_convert_buff_to_frame() to get xdpf, if it returns\nNULL, we should check if xdp_page was allocated by xdp_linearize_page().\nIf it is newly allocated, it should be freed here alone. Just like any\nother \"goto err_xdp\"."], "name": "CVE-2022-50065", "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": "Under investigation", "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": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "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-2022-50065\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-50065\nhttps://lore.kernel.org/linux-cve-announce/2025061851-CVE-2022-50065-b627@gregkh/T"], "statement": "A memory leak may occur in the virtio_net driver when handling the XDP_TX action with mergeable buffers. If xdp_convert_buff_to_frame() fails and returns NULL, and the XDP page was previously allocated via xdp_linearize_page(), the memory is not properly released. The impact is limited to a minor memory leak under specific error conditions, requiring XDP program execution with mergeable buffers.", "threat_severity": "Moderate"}

{"created": "2025-06-23T08:45:29.914751+00:00", "updated": "2025-06-23T08:45:29.914802+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}