{"id":"CVE-2025-38694","state":"PUBLISHED","title":"media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()","description":"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 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()\")","publishedAt":"2025-09-04T15:32:47.449Z","updatedAt":"2026-05-12T12:05:30.790Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"bc07cae4f36bb18d5b6a9ed835c1278ca44ec82e","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"ce8b7c711b9c4f040b5419729d0972db8e374324","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"529fd5593b721e6f4370c591f5086649ed149ff6","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"c33280d6bd668dbdc5a5f07887cc63a52ab4789c","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"09906650484a09b3a4d4b3d3065395856810becd","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"0bb32863426afe0badac25c28d59021f211d0f48","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"a0f744d6cdde81d7382e183f77a4080a39b206cd","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"19eb5d8e6aa1169d368a4d69aae5572950deb89d","versionType":"git"},{"version":"713d54a8bd812229410a1902cd9b332a2a27af9f","status":"affected","lessThan":"ce5cac69b2edac3e3246fee03e8f4c2a1075238b","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/dvb-frontends/dib7000p.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.39","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.39","versionType":"semver"},{"version":"5.4.297","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.241","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.190","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.149","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.103","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.43","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.11","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16.2","status":"unaffected","lessThanOrEqual":"6.16.*","versionType":"semver"},{"version":"6.17","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/media/dvb-frontends/dib7000p.c"]}],"references":["https://git.kernel.org/stable/c/bc07cae4f36bb18d5b6a9ed835c1278ca44ec82e","https://git.kernel.org/stable/c/ce8b7c711b9c4f040b5419729d0972db8e374324","https://git.kernel.org/stable/c/529fd5593b721e6f4370c591f5086649ed149ff6","https://git.kernel.org/stable/c/c33280d6bd668dbdc5a5f07887cc63a52ab4789c","https://git.kernel.org/stable/c/09906650484a09b3a4d4b3d3065395856810becd","https://git.kernel.org/stable/c/0bb32863426afe0badac25c28d59021f211d0f48","https://git.kernel.org/stable/c/a0f744d6cdde81d7382e183f77a4080a39b206cd","https://git.kernel.org/stable/c/19eb5d8e6aa1169d368a4d69aae5572950deb89d","https://git.kernel.org/stable/c/ce5cac69b2edac3e3246fee03e8f4c2a1075238b","https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html","https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html","https://cert-portal.siemens.com/productcert/html/ssa-032379.html"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38694.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38694","state":"PUBLISHED","datePublished":"2025-09-04T15:32:47.449Z","dateUpdated":"2026-05-12T12:05:30.790Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:24.032Z"},"containers":{"cna":{"title":"media: dvb-frontends: dib7090p: fix null-ptr-deref in dib7090p_rw_on_apb()","descriptions":[{"lang":"en","value":"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 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 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