{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-46003","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-05-13T15:03:33.091Z","datePublished":"2026-05-27T12:55:59.509Z","dateUpdated":"2026-06-19T11:58:56.529Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-06-19T11:58:56.529Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: qrtr: ns: Limit the total number of nodes\n\nCurrently, the nameserver doesn't limit the number of nodes it handles.\nThis can be an attack vector if a malicious client starts registering\nrandom nodes, leading to memory exhaustion.\n\nHence, limit the maximum number of nodes to 64. Note that, limit of 64 is\nchosen based on the current platform requirements. If requirement changes\nin the future, this limit can be increased."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/qrtr/ns.c"],"versions":[{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"b703ee903b24974aca4bde99c7d25d66309d35dd","status":"affected","versionType":"git"},{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"823310645065bd49666e84af689fa95192819f55","status":"affected","versionType":"git"},{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"ed29887286aba96d1930f4ddb9f235f6b421073c","status":"affected","versionType":"git"},{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"4c46413661431aa60fb134cd4ecdf8beaa39f824","status":"affected","versionType":"git"},{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0","status":"affected","versionType":"git"},{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"5cf6d5e5e3b804a44692fbf548a5179442e2e923","status":"affected","versionType":"git"},{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"8022876894d09ae485b499058c3357da683bcc5d","status":"affected","versionType":"git"},{"version":"0c2204a4ad710d95d348ea006f14ba926e842ffd","lessThan":"27d5e84e810b0849d08b9aec68e48570461ce313","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/qrtr/ns.c"],"versions":[{"version":"5.7","status":"affected"},{"version":"0","lessThan":"5.7","status":"unaffected","versionType":"semver"},{"version":"5.10.259","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.210","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.176","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.140","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.86","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.27","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.0.4","lessThanOrEqual":"7.0.*","status":"unaffected","versionType":"semver"},{"version":"7.1","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":"5.7","versionEndExcluding":"5.10.259"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.15.210"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.1.176"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.6.140"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.12.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"6.18.27"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.0.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"7.1"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/b703ee903b24974aca4bde99c7d25d66309d35dd"},{"url":"https://git.kernel.org/stable/c/823310645065bd49666e84af689fa95192819f55"},{"url":"https://git.kernel.org/stable/c/ed29887286aba96d1930f4ddb9f235f6b421073c"},{"url":"https://git.kernel.org/stable/c/4c46413661431aa60fb134cd4ecdf8beaa39f824"},{"url":"https://git.kernel.org/stable/c/4665a29c08e1b36bc9db4814f9dde3d23e8fd1b0"},{"url":"https://git.kernel.org/stable/c/5cf6d5e5e3b804a44692fbf548a5179442e2e923"},{"url":"https://git.kernel.org/stable/c/8022876894d09ae485b499058c3357da683bcc5d"},{"url":"https://git.kernel.org/stable/c/27d5e84e810b0849d08b9aec68e48570461ce313"}],"title":"net: qrtr: ns: Limit the total number of nodes","x_generator":{"engine":"bippy-1.2.0"}}}}