{"id":"CVE-2022-49591","state":"PUBLISHED","title":"net: dsa: microchip: ksz_common: Fix refcount leak bug","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: ksz_common: Fix refcount leak bug\n\nIn ksz_switch_register(), we should call of_node_put() for the\nreference returned by of_get_child_by_name() which has increased\nthe refcount.","publishedAt":"2025-02-26T02:23:24.078Z","updatedAt":"2026-05-11T19:02:54.525Z","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":"912aae27c6af6605eae967ab540c5e26bd76d421","status":"affected","lessThan":"88ec2ff42da3ac93b2437dc52fe25cd4372148e6","versionType":"git"},{"version":"912aae27c6af6605eae967ab540c5e26bd76d421","status":"affected","lessThan":"4165e02716518bbbe9c9104b39530d40928bc7ce","versionType":"git"},{"version":"912aae27c6af6605eae967ab540c5e26bd76d421","status":"affected","lessThan":"a14bd7475452c51835dd5a0cee4c8fa48dd0b539","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/dsa/microchip/ksz_common.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","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/dsa/microchip/ksz_common.c"]}],"references":["https://git.kernel.org/stable/c/88ec2ff42da3ac93b2437dc52fe25cd4372148e6","https://git.kernel.org/stable/c/4165e02716518bbbe9c9104b39530d40928bc7ce","https://git.kernel.org/stable/c/a14bd7475452c51835dd5a0cee4c8fa48dd0b539"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49591.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49591","state":"PUBLISHED","datePublished":"2025-02-26T02:23:24.078Z","dateUpdated":"2026-05-11T19:02:54.525Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T02:21:30.412Z"},"containers":{"cna":{"title":"net: dsa: microchip: ksz_common: Fix refcount leak bug","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: ksz_common: Fix refcount leak bug\n\nIn ksz_switch_register(), we should call of_node_put() for the\nreference returned by of_get_child_by_name() which has increased\nthe refcount."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"912aae27c6af6605eae967ab540c5e26bd76d421","status":"affected","lessThan":"88ec2ff42da3ac93b2437dc52fe25cd4372148e6","versionType":"git"},{"version":"912aae27c6af6605eae967ab540c5e26bd76d421","status":"affected","lessThan":"4165e02716518bbbe9c9104b39530d40928bc7ce","versionType":"git"},{"version":"912aae27c6af6605eae967ab540c5e26bd76d421","status":"affected","lessThan":"a14bd7475452c51835dd5a0cee4c8fa48dd0b539","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/dsa/microchip/ksz_common.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.9","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.9","versionType":"semver"},{"version":"5.15.58","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.18.15","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/dsa/microchip/ksz_common.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/88ec2ff42da3ac93b2437dc52fe25cd4372148e6"},{"url":"https://git.kernel.org/stable/c/4165e02716518bbbe9c9104b39530d40928bc7ce"},{"url":"https://git.kernel.org/stable/c/a14bd7475452c51835dd5a0cee4c8fa48dd0b539"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:02:54.525Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.15.58"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","versionEndExcluding":"5.18.15"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.9","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-2022-49591","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:35:47.908060Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:36:53.528Z"}}]}}}