{"id":"CVE-2025-38694","title":"media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()\n\nIn dib7090p_rw_on_apb, msg is controlled by user. When msg[0].buf is null and\nmsg[0].len is …","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < bc07cae4f36bb18d5b6a9ed835c1278ca44ec82e","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < ce8b7c711b9c4f040b5419729d0972db8e374324","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 529fd5593b721e6f4370c591f5086649ed149ff6","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < c33280d6bd668dbdc5a5f07887cc63a52ab4789c","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 09906650484a09b3a4d4b3d3065395856810becd","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 0bb32863426afe0badac25c28d59021f211d0f48","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < a0f744d6cdde81d7382e183f77a4080a39b206cd","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 19eb5d8e6aa1169d368a4d69aae5572950deb89d","Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < ce5cac69b2edac3e3246fee03e8f4c2a1075238b","Linux 2.6.39"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T21:07:30.128547Z"},"published":"2025-09-04","updated":"2026-11-05","sourceUpdated":"2026-11-05T21:12:53.355Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38694","references":[{"url":"https://git.kernel.org/stable/c/bc07cae4f36bb18d5b6a9ed835c1278ca44ec82e"},{"url":"https://git.kernel.org/stable/c/ce8b7c711b9c4f040b5419729d0972db8e374324"},{"url":"https://git.kernel.org/stable/c/529fd5593b721e6f4370c591f5086649ed149ff6"},{"url":"https://git.kernel.org/stable/c/c33280d6bd668dbdc5a5f07887cc63a52ab4789c"},{"url":"https://git.kernel.org/stable/c/09906650484a09b3a4d4b3d3065395856810becd"},{"url":"https://git.kernel.org/stable/c/0bb32863426afe0badac25c28d59021f211d0f48"},{"url":"https://git.kernel.org/stable/c/a0f744d6cdde81d7382e183f77a4080a39b206cd"},{"url":"https://git.kernel.org/stable/c/19eb5d8e6aa1169d368a4d69aae5572950deb89d"},{"url":"https://git.kernel.org/stable/c/ce5cac69b2edac3e3246fee03e8f4c2a1075238b"}],"tags":["cve.org"],"epss":0.00183,"epssPercentile":0.07931,"ingestedAt":"2026-11-05T22:38:32.012Z","slug":"CVE-2025-38694","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()\n\nIn dib7090p_rw_on_apb, msg is controlled by user. When msg[0].buf is null and\nmsg[0].len is zero, former checks on msg[0].buf would be passed. If accessing\nmsg[0].buf[2] without sanity check, null pointer deref would happen. We add\ncheck on msg[0].len to prevent crash. Similar issue occurs when access\nmsg[1].buf[0] and msg[1].buf[1].\n\nSimilar commit: commit 0ed554fd769a (\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")\n\n## Affected\n\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < bc07cae4f36bb18d5b6a9ed835c1278ca44ec82e`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < ce8b7c711b9c4f040b5419729d0972db8e374324`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 529fd5593b721e6f4370c591f5086649ed149ff6`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < c33280d6bd668dbdc5a5f07887cc63a52ab4789c`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 09906650484a09b3a4d4b3d3065395856810becd`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 0bb32863426afe0badac25c28d59021f211d0f48`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < a0f744d6cdde81d7382e183f77a4080a39b206cd`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < 19eb5d8e6aa1169d368a4d69aae5572950deb89d`\n- `Linux >= 713d54a8bd812229410a1902cd9b332a2a27af9f < ce5cac69b2edac3e3246fee03e8f4c2a1075238b`\n- `Linux 2.6.39`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}