{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53721","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","state":"PUBLISHED","assignerShortName":"Linux","dateReserved":"2025-10-22T13:21:37.348Z","datePublished":"2025-10-22T13:23:52.699Z","dateUpdated":"2026-05-11T19:50:34.344Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2026-05-11T19:50:34.344Z"},"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()\n\nIn ath12k_mac_op_hw_scan(), the return value of kzalloc() is directly\nused in memcpy(), which may lead to a NULL pointer dereference on\nfailure of kzalloc().\n\nFix this bug by adding a check of arg.extraie.ptr.\n\nTested-on: WCN7850 hw2.0 PCI WLAN.HMT.1.0-03427-QCAHMTSWPL_V1.0_V2.0_SILICONZ-1.15378.4"}],"affected":[{"product":"Linux","vendor":"Linux","defaultStatus":"unaffected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/mac.c"],"versions":[{"version":"d889913205cf7ebda905b1e62c5867ed4e39f6c2","lessThan":"5a263df398b581189fe632b4ab8440f3dd76c251","status":"affected","versionType":"git"},{"version":"d889913205cf7ebda905b1e62c5867ed4e39f6c2","lessThan":"8ad314da54c6dd223a6b6cc85019160aa842f659","status":"affected","versionType":"git"}]},{"product":"Linux","vendor":"Linux","defaultStatus":"affected","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/ath/ath12k/mac.c"],"versions":[{"version":"6.3","status":"affected"},{"version":"0","lessThan":"6.3","status":"unaffected","versionType":"semver"},{"version":"6.5.5","lessThanOrEqual":"6.5.*","status":"unaffected","versionType":"semver"},{"version":"6.6","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":"6.3","versionEndExcluding":"6.5.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.3","versionEndExcluding":"6.6"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/5a263df398b581189fe632b4ab8440f3dd76c251"},{"url":"https://git.kernel.org/stable/c/8ad314da54c6dd223a6b6cc85019160aa842f659"}],"title":"wifi: ath12k: Fix a NULL pointer dereference in ath12k_mac_op_hw_scan()","x_generator":{"engine":"bippy-1.2.0"}}}}