{"id":"CVE-2022-49342","state":"PUBLISHED","title":"net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() to avoid refcount leak.","publishedAt":"2025-02-26T02:10:58.604Z","updatedAt":"2026-05-11T18:57:50.667Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"55954f3bfdacc5908515b0c306cea23e77fab740","status":"affected","lessThan":"b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4","versionType":"git"},{"version":"55954f3bfdacc5908515b0c306cea23e77fab740","status":"affected","lessThan":"7fb1fe7d9a167205413f1de8db9f7d0f82c78286","versionType":"git"},{"version":"55954f3bfdacc5908515b0c306cea23e77fab740","status":"affected","lessThan":"b8d91399775c55162073bb2aca061ec42e3d4bc1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c"]}],"references":["https://git.kernel.org/stable/c/b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4","https://git.kernel.org/stable/c/7fb1fe7d9a167205413f1de8db9f7d0f82c78286","https://git.kernel.org/stable/c/b8d91399775c55162073bb2aca061ec42e3d4bc1"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49342.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49342","state":"PUBLISHED","datePublished":"2025-02-26T02:10:58.604Z","dateUpdated":"2026-05-11T18:57:50.667Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:08:31.542Z"},"containers":{"cna":{"title":"net: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: ethernet: bgmac: Fix refcount leak in bcma_mdio_mii_register\n\nof_get_child_by_name() returns a node pointer with refcount\nincremented, we should use of_node_put() on it when not need anymore.\nAdd missing of_node_put() to avoid refcount leak."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"55954f3bfdacc5908515b0c306cea23e77fab740","status":"affected","lessThan":"b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4","versionType":"git"},{"version":"55954f3bfdacc5908515b0c306cea23e77fab740","status":"affected","lessThan":"7fb1fe7d9a167205413f1de8db9f7d0f82c78286","versionType":"git"},{"version":"55954f3bfdacc5908515b0c306cea23e77fab740","status":"affected","lessThan":"b8d91399775c55162073bb2aca061ec42e3d4bc1","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.8","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.8","versionType":"semver"},{"version":"5.17.15","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18.4","status":"unaffected","lessThanOrEqual":"5.18.*","versionType":"semver"},{"version":"5.19","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bgmac-bcma-mdio.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b51996e35bbfcc7a27d94dfeed5cc2429b2c0df4"},{"url":"https://git.kernel.org/stable/c/7fb1fe7d9a167205413f1de8db9f7d0f82c78286"},{"url":"https://git.kernel.org/stable/c/b8d91399775c55162073bb2aca061ec42e3d4bc1"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:57:50.667Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.17.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.18.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.8","versionEndExcluding":"5.19"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49342","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:43:03.611967Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:46:55.020Z"}}]}}}