{"id":"CVE-2025-38156","state":"PUBLISHED","title":"wifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()\n\ndevm_ioremap() returns NULL on error. Currently, mt7996_mmio_wed_init()\ndoes not check for this case, which results in a NULL pointer\ndereference.\n\nPrevent null pointer dereference in mt7996_mmio_wed_init()","publishedAt":"2025-07-03T08:35:58.950Z","updatedAt":"2026-05-11T21:22:20.720Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"83eafc9251d6d30574b629ac637c56d168fcbdd9","status":"affected","lessThan":"1072fc0ca1f8d0d5397d24853386876f937b8e63","versionType":"git"},{"version":"83eafc9251d6d30574b629ac637c56d168fcbdd9","status":"affected","lessThan":"af861c6dea2ef06845a5c7672999a06c06099735","versionType":"git"},{"version":"83eafc9251d6d30574b629ac637c56d168fcbdd9","status":"affected","lessThan":"8f30e2b059757d8711a823e4c9c023db62a1d171","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/mmio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.12.34","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.3","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/mmio.c"]}],"references":["https://git.kernel.org/stable/c/1072fc0ca1f8d0d5397d24853386876f937b8e63","https://git.kernel.org/stable/c/af861c6dea2ef06845a5c7672999a06c06099735","https://git.kernel.org/stable/c/8f30e2b059757d8711a823e4c9c023db62a1d171"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:09.358Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/38xxx/CVE-2025-38156.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-38156","state":"PUBLISHED","datePublished":"2025-07-03T08:35:58.950Z","dateUpdated":"2026-05-11T21:22:20.720Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-04-16T04:51:23.990Z"},"containers":{"cna":{"title":"wifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7996: Fix null-ptr-deref in mt7996_mmio_wed_init()\n\ndevm_ioremap() returns NULL on error. Currently, mt7996_mmio_wed_init()\ndoes not check for this case, which results in a NULL pointer\ndereference.\n\nPrevent null pointer dereference in mt7996_mmio_wed_init()"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"83eafc9251d6d30574b629ac637c56d168fcbdd9","status":"affected","lessThan":"1072fc0ca1f8d0d5397d24853386876f937b8e63","versionType":"git"},{"version":"83eafc9251d6d30574b629ac637c56d168fcbdd9","status":"affected","lessThan":"af861c6dea2ef06845a5c7672999a06c06099735","versionType":"git"},{"version":"83eafc9251d6d30574b629ac637c56d168fcbdd9","status":"affected","lessThan":"8f30e2b059757d8711a823e4c9c023db62a1d171","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/mmio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.8","versionType":"semver"},{"version":"6.12.34","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.15.3","status":"unaffected","lessThanOrEqual":"6.15.*","versionType":"semver"},{"version":"6.16","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/mediatek/mt76/mt7996/mmio.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/1072fc0ca1f8d0d5397d24853386876f937b8e63"},{"url":"https://git.kernel.org/stable/c/af861c6dea2ef06845a5c7672999a06c06099735"},{"url":"https://git.kernel.org/stable/c/8f30e2b059757d8711a823e4c9c023db62a1d171"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:22:20.720Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.12.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.15.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.8","versionEndExcluding":"6.16"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}