CVE-2025-22050

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defer_bh \u2192 __skb_unlink(skb, list))\nattempt to access skb->next, triggering a NULL pointer\ndereference (Kernel Panic)."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/usb/usbnet.c"], "versions": [{"version": "b80aacfea6e8d6ed6e430aa13922d6ccf044415a", "lessThan": "95789c2f94fd29dce8759f9766baa333f749287c", "status": "affected", "versionType": "git"}, {"version": "869caa8de8cb94514df704ccbe0b024fda4b9398", "lessThan": "0f10f83acfd619e13c64d6705908dfd792f19544", "status": "affected", "versionType": "git"}, {"version": "1e44ee6cdd123d6cfe78b4a94e1572e23bbb58ce", "lessThan": "acacd48a37b52fc95f621765762c04152b58d642", "status": "affected", "versionType": "git"}, {"version": "04e906839a053f092ef53f4fb2d610983412b904", "lessThan": "d689645cd1594ea1d13cb0c404f8ad1011353e0e", "status": "affected", "versionType": "git"}, {"version": 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includes this check.\n\nThis inconsistency creates a race condition where:\nA URB request may succeed, but the corresponding SKB data\nfails to be queued.\n\nSubsequent processes:\n(e.g., rx_complete \u2192 defer_bh \u2192 __skb_unlink(skb, list))\nattempt to access skb->next, triggering a NULL pointer\ndereference (Kernel Panic)."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: usbnet:fix NPE durante rx_complete. Falta la comprobaci\u00f3n usbnet_going_away en la ruta cr\u00edtica. La funci\u00f3n usb_submit_urb carece de la validaci\u00f3n usbnet_going_away, mientras que __usbnet_queue_skb s\u00ed la incluye. Esta inconsistencia crea una condici\u00f3n de ejecuci\u00f3n donde: una solicitud URB puede ser exitosa, pero los datos SKB correspondientes no se ponen en cola. Los procesos posteriores (p. ej., rx_complete ? defer_bh ? __skb_unlink(skb, list)) intentan acceder a skb->next, lo que provoca una desreferencia de puntero nulo (p\u00e1nico del kernel)."}], "id": "CVE-2025-22050", "lastModified": "2026-11-05T21:17:48.070", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.0, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-22050", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-11-05T20:38:15.922602Z", "version": "2.0.3"}}]}, "published": "2025-04-16T15:15:58.437", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0c30988588b28393e3e8873d5654f910e86391ba"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/0f10f83acfd619e13c64d6705908dfd792f19544"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/51de3600093429e3b712e5f091d767babc5dd6df"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/95789c2f94fd29dce8759f9766baa333f749287c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/acacd48a37b52fc95f621765762c04152b58d642"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d689645cd1594ea1d13cb0c404f8ad1011353e0e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/fd9ee3f0d6a53844f65efde581c91bbb0ff749ac"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/05/msg00045.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: usbnet:fix NPE during rx_complete", "id": "2360274", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2360274"}, "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"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nusbnet:fix NPE during rx_complete\nMissing usbnet_going_away Check in Critical Path.\nThe usb_submit_urb function lacks a usbnet_going_away\nvalidation, whereas __usbnet_queue_skb includes this check.\nThis inconsistency creates a race condition where:\nA URB request may succeed, but the corresponding SKB data\nfails to be queued.\nSubsequent processes:\n(e.g., rx_complete \u2192 defer_bh \u2192 __skb_unlink(skb, list))\nattempt to access skb->next, triggering a NULL pointer\ndereference (Kernel Panic)."], "name": "CVE-2025-22050", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "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": "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": "2025-04-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-22050\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-22050\nhttps://lore.kernel.org/linux-cve-announce/2025041603-CVE-2025-22050-2aee@gregkh/T"], "threat_severity": "Moderate"}

{}