{"id":"CVE-2025-68338","state":"PUBLISHED","title":"net: dsa: microchip: Don't free uninitialized ksz_irq","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Don't free uninitialized ksz_irq\n\nIf something goes wrong at setup, ksz_irq_free() can be called on\nuninitialized ksz_irq (for example when ksz_ptp_irq_setup() fails). It\nleads to freeing uninitialized IRQ numbers and/or domains.\n\nUse dsa_switch_for_each_user_port_continue_reverse() in the error path\nto iterate only over the fully initialized ports.","publishedAt":"2025-12-23T13:58:24.121Z","updatedAt":"2026-05-11T21:51:15.675Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cc13ab18b201ab630f03511060ba289b70052959","status":"affected","lessThan":"9428654c827fa8d38b898135d26d39ee2d544246","versionType":"git"},{"version":"cc13ab18b201ab630f03511060ba289b70052959","status":"affected","lessThan":"32abbcf4379a0f851d7eb9d4389e7bf5c64bf6c0","versionType":"git"},{"version":"cc13ab18b201ab630f03511060ba289b70052959","status":"affected","lessThan":"25b62cc5b22c45face094ae3e8717258e46d1d19","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":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.12.61","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.11","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","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/9428654c827fa8d38b898135d26d39ee2d544246","https://git.kernel.org/stable/c/32abbcf4379a0f851d7eb9d4389e7bf5c64bf6c0","https://git.kernel.org/stable/c/25b62cc5b22c45face094ae3e8717258e46d1d19"],"weaknesses":[],"ingestedAt":"2026-10-29T20:09:56.034Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/68xxx/CVE-2025-68338.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-68338","state":"PUBLISHED","datePublished":"2025-12-23T13:58:24.121Z","dateUpdated":"2026-05-11T21:51:15.675Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-16T14:48:05.297Z"},"containers":{"cna":{"title":"net: dsa: microchip: Don't free uninitialized ksz_irq","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: dsa: microchip: Don't free uninitialized ksz_irq\n\nIf something goes wrong at setup, ksz_irq_free() can be called on\nuninitialized ksz_irq (for example when ksz_ptp_irq_setup() fails). It\nleads to freeing uninitialized IRQ numbers and/or domains.\n\nUse dsa_switch_for_each_user_port_continue_reverse() in the error path\nto iterate only over the fully initialized ports."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"cc13ab18b201ab630f03511060ba289b70052959","status":"affected","lessThan":"9428654c827fa8d38b898135d26d39ee2d544246","versionType":"git"},{"version":"cc13ab18b201ab630f03511060ba289b70052959","status":"affected","lessThan":"32abbcf4379a0f851d7eb9d4389e7bf5c64bf6c0","versionType":"git"},{"version":"cc13ab18b201ab630f03511060ba289b70052959","status":"affected","lessThan":"25b62cc5b22c45face094ae3e8717258e46d1d19","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":"6.3","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.3","versionType":"semver"},{"version":"6.12.61","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.17.11","status":"unaffected","lessThanOrEqual":"6.17.*","versionType":"semver"},{"version":"6.18","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/9428654c827fa8d38b898135d26d39ee2d544246"},{"url":"https://git.kernel.org/stable/c/32abbcf4379a0f851d7eb9d4389e7bf5c64bf6c0"},{"url":"https://git.kernel.org/stable/c/25b62cc5b22c45face094ae3e8717258e46d1d19"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T21:51:15.675Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.12.61"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.17.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.18"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}