{"id":"CVE-2023-53602","state":"PUBLISHED","title":"wifi: ath11k: fix memory leak in WMI firmware stats","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix memory leak in WMI firmware stats\n\nMemory allocated for firmware pdev, vdev and beacon statistics\nare not released during rmmod.\n\nFix it by calling ath11k_fw_stats_free() function before hardware\nunregister.\n\nWhile at it, avoid calling ath11k_fw_stats_free() while processing\nthe firmware stats received in the WMI event because the local list\nis getting spliced and reinitialised and hence there are no elements\nin the list after splicing.\n\nTested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1","publishedAt":"2025-10-04T15:44:13.155Z","updatedAt":"2026-05-11T19:48:20.073Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d5c65159f2895379e11ca13f62feabe93278985d","status":"affected","lessThan":"86f9330a49d1464849482298dd34d361859183eb","versionType":"git"},{"version":"d5c65159f2895379e11ca13f62feabe93278985d","status":"affected","lessThan":"55248d36beb79d3a61c9fb3122dc377fff523c89","versionType":"git"},{"version":"d5c65159f2895379e11ca13f62feabe93278985d","status":"affected","lessThan":"6aafa1c2d3e3fea2ebe84c018003f2a91722e607","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c","drivers/net/wireless/ath/ath11k/wmi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"6.1.42","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.7","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c","drivers/net/wireless/ath/ath11k/wmi.c"]}],"references":["https://git.kernel.org/stable/c/86f9330a49d1464849482298dd34d361859183eb","https://git.kernel.org/stable/c/55248d36beb79d3a61c9fb3122dc377fff523c89","https://git.kernel.org/stable/c/6aafa1c2d3e3fea2ebe84c018003f2a91722e607"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53602.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53602","state":"PUBLISHED","datePublished":"2025-10-04T15:44:13.155Z","dateUpdated":"2026-05-11T19:48:20.073Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-10-04T15:40:38.479Z"},"containers":{"cna":{"title":"wifi: ath11k: fix memory leak in WMI firmware stats","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix memory leak in WMI firmware stats\n\nMemory allocated for firmware pdev, vdev and beacon statistics\nare not released during rmmod.\n\nFix it by calling ath11k_fw_stats_free() function before hardware\nunregister.\n\nWhile at it, avoid calling ath11k_fw_stats_free() while processing\nthe firmware stats received in the WMI event because the local list\nis getting spliced and reinitialised and hence there are no elements\nin the list after splicing.\n\nTested-on: QCN9074 hw1.0 PCI WLAN.HK.2.7.0.1-01744-QCAHKSWPL_SILICONZ-1"}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d5c65159f2895379e11ca13f62feabe93278985d","status":"affected","lessThan":"86f9330a49d1464849482298dd34d361859183eb","versionType":"git"},{"version":"d5c65159f2895379e11ca13f62feabe93278985d","status":"affected","lessThan":"55248d36beb79d3a61c9fb3122dc377fff523c89","versionType":"git"},{"version":"d5c65159f2895379e11ca13f62feabe93278985d","status":"affected","lessThan":"6aafa1c2d3e3fea2ebe84c018003f2a91722e607","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c","drivers/net/wireless/ath/ath11k/wmi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.6","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.6","versionType":"semver"},{"version":"6.1.42","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.4.7","status":"unaffected","lessThanOrEqual":"6.4.*","versionType":"semver"},{"version":"6.5","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath11k/mac.c","drivers/net/wireless/ath/ath11k/wmi.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/86f9330a49d1464849482298dd34d361859183eb"},{"url":"https://git.kernel.org/stable/c/55248d36beb79d3a61c9fb3122dc377fff523c89"},{"url":"https://git.kernel.org/stable/c/6aafa1c2d3e3fea2ebe84c018003f2a91722e607"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:48:20.073Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.1.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.4.7"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.6","versionEndExcluding":"6.5"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}