{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98495","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2026-09-25T10:25:14.353Z","datePublished":"2026-10-18T15:16:24.810Z","dateUpdated":"2026-10-19T09:20:32.370Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-10-19T09:20:32.370Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: arp: terminate device name before lookup\n\nThe ARP ioctl copies a user-provided struct arpreq into a stack object. Its\narp_dev field may contain IFNAMSIZ bytes without a NUL terminator.\n\nSuch input is passed to dev_get_by_name_rcu() or __dev_get_by_name(), where\nstrcmp() can read past the end of the stack object when a matching\nalternative interface name exists.\n\nTerminate the field before the lookup to prevent the out-of-bounds read."}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/ipv4/arp.c"],"versions":[{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"ae6d704dbf9542b0a0830ec91a2db4f30307e7d8","status":"affected","versionType":"git"},{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"47107491b48ceef0a2faa7a010cfa961f211ef9f","status":"affected","versionType":"git"},{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"7389757d88f54237951d7497d9c4dae7cc6d64be","status":"affected","versionType":"git"},{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"1b08c5c3ac27c9ff91c5309f4a32b4e91ce2263b","status":"affected","versionType":"git"},{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"414bbad9928598904313299ac9e037a73f520be1","status":"affected","versionType":"git"},{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"ba664d83638640cf454b65167339cbf20dfd6f10","status":"affected","versionType":"git"},{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"35e716a70733472ede300540082d64c33bf3b4c9","status":"affected","versionType":"git"},{"version":"36fbf1e52bd3ff8a5cb604955eedfc9350c2e6cc","lessThan":"d8b6529e80bcb4fb8177121404cbb3377acaebd2","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/ipv4/arp.c"],"versions":[{"version":"5.5","status":"affected"},{"version":"0","lessThan":"5.5","status":"unaffected","versionType":"semver"},{"version":"5.10.271","lessThanOrEqual":"5.10.*","status":"unaffected","versionType":"semver"},{"version":"5.15.222","lessThanOrEqual":"5.15.*","status":"unaffected","versionType":"semver"},{"version":"6.1.189","lessThanOrEqual":"6.1.*","status":"unaffected","versionType":"semver"},{"version":"6.6.158","lessThanOrEqual":"6.6.*","status":"unaffected","versionType":"semver"},{"version":"6.12.112","lessThanOrEqual":"6.12.*","status":"unaffected","versionType":"semver"},{"version":"6.18.55","lessThanOrEqual":"6.18.*","status":"unaffected","versionType":"semver"},{"version":"7.2.9","lessThanOrEqual":"7.2.*","status":"unaffected","versionType":"semver"},{"version":"7.3","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":"5.10.271"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"5.15.222"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.1.189"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.6.158"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.12.112"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"6.18.55"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"7.2.9"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.5","versionEndExcluding":"7.3"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/ae6d704dbf9542b0a0830ec91a2db4f30307e7d8"},{"url":"https://git.kernel.org/stable/c/47107491b48ceef0a2faa7a010cfa961f211ef9f"},{"url":"https://git.kernel.org/stable/c/7389757d88f54237951d7497d9c4dae7cc6d64be"},{"url":"https://git.kernel.org/stable/c/1b08c5c3ac27c9ff91c5309f4a32b4e91ce2263b"},{"url":"https://git.kernel.org/stable/c/414bbad9928598904313299ac9e037a73f520be1"},{"url":"https://git.kernel.org/stable/c/ba664d83638640cf454b65167339cbf20dfd6f10"},{"url":"https://git.kernel.org/stable/c/35e716a70733472ede300540082d64c33bf3b4c9"},{"url":"https://git.kernel.org/stable/c/d8b6529e80bcb4fb8177121404cbb3377acaebd2"}],"title":"net: arp: terminate device name before lookup","x_generator":{"engine":"bippy-1.2.0"}}}}