{"id":"CVE-2026-98808","state":"PUBLISHED","title":"net: systemport: Fix buffer overflow in bcm_sysport_get_stats()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: systemport: Fix buffer overflow in bcm_sysport_get_stats()\n\nWhen running on SYSTEMPORT Lite, certain statistics are unsupported and\nskipped during bcm_sysport_get_stats(). The variable 'j' tracks the\ncompacted index into the destination data buffer, whereas 'i' iterates\nover all elements in bcm_sysport_gstrings_stats.\n\nBecause the buffer allocated by ethtool is sized only according to\nbcm_sysport_get_sset_count(), storing values at data[i] instead of\ndata[j] writes past the allocated array bounds, leading to memory\ncorruption.\n\nFix this by writing to data[j] instead of data[i].","publishedAt":"2026-10-18T15:48:55.053Z","updatedAt":"2026-10-21T12:57:08.174Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"96a2b042051553df0d9f03b518dd3b7105b36935","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"29d1d35ad5ad379a904263ea1cd4ba1d71cd965f","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"96d8b26be5bc451188acdcee055948da45adbde0","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"faba9fdde480356f4a1d3b1a5713b7b354858a1c","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"eb7b84af0ec5c71b4920e999611b466b3784496c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bcmsysport.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/bcmsysport.c"]}],"references":["https://git.kernel.org/stable/c/96a2b042051553df0d9f03b518dd3b7105b36935","https://git.kernel.org/stable/c/29d1d35ad5ad379a904263ea1cd4ba1d71cd965f","https://git.kernel.org/stable/c/96d8b26be5bc451188acdcee055948da45adbde0","https://git.kernel.org/stable/c/faba9fdde480356f4a1d3b1a5713b7b354858a1c","https://git.kernel.org/stable/c/eb7b84af0ec5c71b4920e999611b466b3784496c"],"weaknesses":[],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/98xxx/CVE-2026-98808.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-98808","state":"PUBLISHED","datePublished":"2026-10-18T15:48:55.053Z","dateUpdated":"2026-10-21T12:57:08.174Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-09-25T10:25:14.371Z"},"containers":{"cna":{"title":"net: systemport: Fix buffer overflow in bcm_sysport_get_stats()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: systemport: Fix buffer overflow in bcm_sysport_get_stats()\n\nWhen running on SYSTEMPORT Lite, certain statistics are unsupported and\nskipped during bcm_sysport_get_stats(). The variable 'j' tracks the\ncompacted index into the destination data buffer, whereas 'i' iterates\nover all elements in bcm_sysport_gstrings_stats.\n\nBecause the buffer allocated by ethtool is sized only according to\nbcm_sysport_get_sset_count(), storing values at data[i] instead of\ndata[j] writes past the allocated array bounds, leading to memory\ncorruption.\n\nFix this by writing to data[j] instead of data[i]."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"96a2b042051553df0d9f03b518dd3b7105b36935","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"29d1d35ad5ad379a904263ea1cd4ba1d71cd965f","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"96d8b26be5bc451188acdcee055948da45adbde0","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"faba9fdde480356f4a1d3b1a5713b7b354858a1c","versionType":"git"},{"version":"10377ba7673d19e28d92846955d51f49acd25c35","status":"affected","lessThan":"eb7b84af0ec5c71b4920e999611b466b3784496c","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/broadcom/bcmsysport.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"6.6.160","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.113","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.56","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.2.10","status":"unaffected","lessThanOrEqual":"7.2.*","versionType":"semver"},{"version":"7.3","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/bcmsysport.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/96a2b042051553df0d9f03b518dd3b7105b36935"},{"url":"https://git.kernel.org/stable/c/29d1d35ad5ad379a904263ea1cd4ba1d71cd965f"},{"url":"https://git.kernel.org/stable/c/96d8b26be5bc451188acdcee055948da45adbde0"},{"url":"https://git.kernel.org/stable/c/faba9fdde480356f4a1d3b1a5713b7b354858a1c"},{"url":"https://git.kernel.org/stable/c/eb7b84af0ec5c71b4920e999611b466b3784496c"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-10-21T12:57:08.174Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.6.160"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.12.113"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"6.18.56"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.14","versionEndExcluding":"7.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}