{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49103","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-02-26T01:49:39.250Z","datePublished":"2025-02-26T01:54:52.530Z","dateUpdated":"2025-12-23T13:21:56.418Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-12-23T13:21:56.418Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nNFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify()\n\n[You don't often get email from xiongx18@fudan.edu.cn. Learn why this is important at http://aka.ms/LearnAboutSenderIdentification.]\n\nThe reference counting issue happens in two error paths in the\nfunction _nfs42_proc_copy_notify(). In both error paths, the function\nsimply returns the error code and forgets to balance the refcount of\nobject `ctx`, bumped by get_nfs_open_context() earlier, which may\ncause refcount leaks.\n\nFix it by balancing refcount of the `ctx` object before the function\nreturns in both error paths."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs42proc.c"],"versions":[{"version":"0491567b51efeca807da1125a1a0d5193875e286","lessThan":"9b9feec97c1fc7dd9bb69f62c4905cddf1801599","status":"affected","versionType":"git"},{"version":"0491567b51efeca807da1125a1a0d5193875e286","lessThan":"b37f482ba9f0e6382c188e3fccf6c4b2fdc938eb","status":"affected","versionType":"git"},{"version":"0491567b51efeca807da1125a1a0d5193875e286","lessThan":"fb73bf6305f4eb8f0cf9a61ee874d55f019d6dc4","status":"affected","versionType":"git"},{"version":"0491567b51efeca807da1125a1a0d5193875e286","lessThan":"f46f632f9cfae4b2e3635fa58840a8ec584c42e3","status":"affected","versionType":"git"},{"version":"0491567b51efeca807da1125a1a0d5193875e286","lessThan":"b7f114edd54326f730a754547e7cfb197b5bc132","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["fs/nfs/nfs42proc.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"5.10.111","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.34","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"5.16.20","lessThanOrEqual":"5.16.*","status":"unaffected","versionType":"semver"},{"version":"5.17.3","lessThanOrEqual":"5.17.*","status":"unaffected","versionType":"semver"},{"version":"5.18","lessThanOrEqual":"*","status":"unaffected","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.10.111"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.34"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.16.20"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.17.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.18"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/9b9feec97c1fc7dd9bb69f62c4905cddf1801599"},{"url":"https://git.kernel.org/stable/c/b37f482ba9f0e6382c188e3fccf6c4b2fdc938eb"},{"url":"https://git.kernel.org/stable/c/fb73bf6305f4eb8f0cf9a61ee874d55f019d6dc4"},{"url":"https://git.kernel.org/stable/c/f46f632f9cfae4b2e3635fa58840a8ec584c42e3"},{"url":"https://git.kernel.org/stable/c/b7f114edd54326f730a754547e7cfb197b5bc132"}],"title":"NFSv4.2: fix reference count leaks in _nfs42_proc_copy_notify()","x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"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-2022-49103","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:49:20.520133Z"}}}],"problemTypes":[{"descriptions":[{"lang":"en","type":"CWE","description":"CWE-noinfo Not enough information"}]}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2025-10-01T19:57:05.438Z"}}]}}