{"id":"CVE-2023-52919","state":"PUBLISHED","title":"nfc: nci: fix possible NULL pointer dereference in send_acknowledge()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: nci: fix possible NULL pointer dereference in send_acknowledge()\n\nHandle memory allocation failure from nci_skb_alloc() (calling\nalloc_skb()) to avoid possible NULL pointer dereference.","publishedAt":"2024-10-22T07:37:28.091Z","updatedAt":"2026-05-11T19:35:37.217Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"2b2edf089df3a69f0072c6e71563394c5a94e62e","versionType":"git"},{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"5622592f8f74ae3e594379af02e64ea84772d0dd","versionType":"git"},{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"76050b0cc5a72e0c7493287b7e18e1cb9e3c4612","versionType":"git"},{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"c95fa5b20fe03609e0894656fa43c18045b5097e","versionType":"git"},{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"ffdc881f68073ff86bf21afb9bb954812e8278be","versionType":"git"},{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"d7dbdbe3800a908eecd4975c31be47dd45e2104a","versionType":"git"},{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"bb6cacc439ddd2cd51227ab193f4f91cfc7f014f","versionType":"git"},{"version":"391d8a2da787257aeaf952c974405b53926e3fb3","status":"affected","lessThan":"7937609cd387246aed994e81aa4fa951358fba41","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/nci/spi.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.11","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.11","versionType":"semver"},{"version":"4.14.328","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.297","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.259","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.199","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.137","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.60","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.5.9","status":"unaffected","lessThanOrEqual":"6.5.*","versionType":"semver"},{"version":"6.6","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["net/nfc/nci/spi.c"]}],"references":["https://git.kernel.org/stable/c/2b2edf089df3a69f0072c6e71563394c5a94e62e","https://git.kernel.org/stable/c/5622592f8f74ae3e594379af02e64ea84772d0dd","https://git.kernel.org/stable/c/76050b0cc5a72e0c7493287b7e18e1cb9e3c4612","https://git.kernel.org/stable/c/c95fa5b20fe03609e0894656fa43c18045b5097e","https://git.kernel.org/stable/c/ffdc881f68073ff86bf21afb9bb954812e8278be","https://git.kernel.org/stable/c/d7dbdbe3800a908eecd4975c31be47dd45e2104a","https://git.kernel.org/stable/c/bb6cacc439ddd2cd51227ab193f4f91cfc7f014f","https://git.kernel.org/stable/c/7937609cd387246aed994e81aa4fa951358fba41"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52919.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52919","state":"PUBLISHED","datePublished":"2024-10-22T07:37:28.091Z","dateUpdated":"2026-05-11T19:35:37.217Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-08-21T06:07:11.017Z"},"containers":{"cna":{"title":"nfc: 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