{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-08T08:12:26.964","vulnerabilities":[{"cve":{"id":"CVE-2025-38513","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-08-16T11:15:44.383","lastModified":"2026-01-07T17:47:21.377","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: zd1211rw: Fix potential NULL pointer dereference in zd_mac_tx_to_dev()\n\nThere is a potential NULL pointer dereference in zd_mac_tx_to_dev(). For\nexample, the following is possible:\n\n    \tT0\t\t\t    \t\tT1\nzd_mac_tx_to_dev()\n  /* len == skb_queue_len(q) */\n  while (len > ZD_MAC_MAX_ACK_WAITERS) {\n\n\t\t\t\t\t  filter_ack()\n\t\t\t\t\t    spin_lock_irqsave(&q->lock, flags);\n\t\t\t\t\t    /* position == skb_queue_len(q) */\n\t\t\t\t\t    for (i=1; i<position; i++)\n\t\t\t\t    \t      skb = __skb_dequeue(q)\n\n\t\t\t\t\t    if (mac->type == NL80211_IFTYPE_AP)\n\t\t\t\t\t      skb = __skb_dequeue(q);\n\t\t\t\t\t    spin_unlock_irqrestore(&q->lock, flags);\n\n    skb_dequeue() -> NULL\n\nSince there is a small gap between checking skb queue length and skb being\nunconditionally dequeued in zd_mac_tx_to_dev(), skb_dequeue() can return NULL.\nThen the pointer is passed to zd_mac_tx_status() where it is dereferenced.\n\nIn order to avoid potential NULL pointer dereference due to situations like\nabove, check if skb is not NULL before passing it to zd_mac_tx_status().\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE."},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: zd1211rw: Se corrige una posible desreferencia de puntero NULL en zd_mac_tx_to_dev(). Existe una posible desreferencia de puntero NULL en zd_mac_tx_to_dev(). Por ejemplo, es posible lo siguiente: T0 T1 zd_mac_tx_to_dev() /* len == skb_queue_len(q) */ while (len &gt; ZD_MAC_MAX_ACK_WAITERS) { filter_ack() spin_lock_irqsave(&amp;q-&gt;lock, flags); /* position == skb_queue_len(q) */ for (i=1; itype == NL80211_IFTYPE_AP) skb = __skb_dequeue(q); spin_unlock_irqrestore(&amp;q-&gt;lock, flags); skb_dequeue() -&gt; NULL. Dado que hay una pequeña diferencia entre la comprobación de la longitud de la cola de skb y su desencolado incondicional en zd_mac_tx_to_dev(), skb_dequeue() puede devolver NULL. A continuación, el puntero se pasa a zd_mac_tx_status(), donde se desreferencia. Para evitar posibles desreferencias de punteros NULL debido a situaciones como la anterior, compruebe que skb no sea NULL antes de pasarlo a zd_mac_tx_status(). Encontrado por el Centro de Verificación de Linux (linuxtesting.org) con SVACE."}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-476"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.25","versionEndExcluding":"5.4.296","matchCriteriaId":"CA542DE1-DC35-467A-9B59-749FAD581273"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.240","matchCriteriaId":"0E73A49A-F9B2-470F-91B2-6FAB6239BDB6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11","versionEndExcluding":"5.15.189","matchCriteriaId":"3CE0FB9A-DBE8-48B6-BF6E-3C724A4991E3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16","versionEndExcluding":"6.1.146","matchCriteriaId":"D8DA1166-5C95-475E-BF65-1DF621968E96"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.2","versionEndExcluding":"6.6.99","matchCriteriaId":"B369699C-E0E6-42A4-BDEE-8E676ECEF6AA"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.39","matchCriteriaId":"18D57670-11F8-4B5A-AD56-EA32DD0F44E1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.15.7","matchCriteriaId":"F9C46937-5FA9-4335-AD7B-E7FC29453CE1"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.16:rc1:*:*:*:*:*:*","matchCriteriaId":"6D4894DB-CCFE-4602-B1BF-3960B2E19A01"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.16:rc2:*:*:*:*:*:*","matchCriteriaId":"09709862-E348-4378-8632-5A7813EDDC86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.16:rc3:*:*:*:*:*:*","matchCriteriaId":"415BF58A-8197-43F5-B3D7-D1D63057A26E"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.16:rc4:*:*:*:*:*:*","matchCriteriaId":"A0517869-312D-4429-80C2-561086E1421C"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:6.16:rc5:*:*:*:*:*:*","matchCriteriaId":"85421F4E-C863-4ABF-B4B4-E887CC2F7F92"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*","matchCriteriaId":"FA6FEEC2-9F11-4643-8827-749718254FED"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/014c34dc132015c4f918ada4982e952947ac1047","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/5420de65efbeb6503bcf1d43451c9df67ad60298","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/602b4eb2f25668de15de69860ec99caf65b3684d","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/74b1ec9f5d627d2bdd5e5b6f3f81c23317657023","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/adf08c96b963c7cd7ec1ee1c0c556228d9bedaae","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/b24f65c184540dfb967479320ecf7e8c2e9220dc","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/c1958270de947604cc6de05fc96dbba256b49cf0","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/fcd9c923b58e86501450b9b442ccc7ce4a8d0fda","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]},{"url":"https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"]}]}}]}