{"id":"CVE-2023-52593","state":"PUBLISHED","title":"wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()\n\nSince 'ieee80211_beacon_get()' can return NULL, 'wfx_set_mfp_ap()'\nshould check the return value before examining skb data. So convert\nthe latter to return an appropriate error code and propagate it to\nreturn from 'wfx_start_ap()' as well. Compile tested only.","publishedAt":"2024-03-06T06:45:24.551Z","updatedAt":"2026-05-11T19:29:57.298Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"574dcd3126aa2eed75437137843f254b1190dd03","versionType":"git"},{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"9ab224744a47363f74ea29c6894c405e3bcf5132","versionType":"git"},{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"3739121443f5114c6bcf6d841a5124deb006b878","versionType":"git"},{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/silabs/wfx/sta.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.1.77","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.16","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.4","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","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/silabs/wfx/sta.c"]}],"references":["https://git.kernel.org/stable/c/574dcd3126aa2eed75437137843f254b1190dd03","https://git.kernel.org/stable/c/9ab224744a47363f74ea29c6894c405e3bcf5132","https://git.kernel.org/stable/c/3739121443f5114c6bcf6d841a5124deb006b878","https://git.kernel.org/stable/c/fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/52xxx/CVE-2023-52593.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-52593","state":"PUBLISHED","datePublished":"2024-03-06T06:45:24.551Z","dateUpdated":"2026-05-11T19:29:57.298Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-03-02T21:55:42.571Z"},"containers":{"cna":{"title":"wifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wfx: fix possible NULL pointer dereference in wfx_set_mfp_ap()\n\nSince 'ieee80211_beacon_get()' can return NULL, 'wfx_set_mfp_ap()'\nshould check the return value before examining skb data. So convert\nthe latter to return an appropriate error code and propagate it to\nreturn from 'wfx_start_ap()' as well. Compile tested only."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"574dcd3126aa2eed75437137843f254b1190dd03","versionType":"git"},{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"9ab224744a47363f74ea29c6894c405e3bcf5132","versionType":"git"},{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"3739121443f5114c6bcf6d841a5124deb006b878","versionType":"git"},{"version":"268bceec1684932e194ae87877dcc73f534d921c","status":"affected","lessThan":"fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/silabs/wfx/sta.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.10","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.10","versionType":"semver"},{"version":"6.1.77","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.16","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.7.4","status":"unaffected","lessThanOrEqual":"6.7.*","versionType":"semver"},{"version":"6.8","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/silabs/wfx/sta.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/574dcd3126aa2eed75437137843f254b1190dd03"},{"url":"https://git.kernel.org/stable/c/9ab224744a47363f74ea29c6894c405e3bcf5132"},{"url":"https://git.kernel.org/stable/c/3739121443f5114c6bcf6d841a5124deb006b878"},{"url":"https://git.kernel.org/stable/c/fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:29:57.298Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.1.77"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.6.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.7.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10","versionEndExcluding":"6.8"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/574dcd3126aa2eed75437137843f254b1190dd03","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/9ab224744a47363f74ea29c6894c405e3bcf5132","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/3739121443f5114c6bcf6d841a5124deb006b878","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/fe0a7776d4d19e613bb8dd80fe2d78ae49e8b49d","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-02T23:03:21.203Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-08-27T14:56:35.440963Z","id":"CVE-2023-52593","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-08-27T15:03:29.606Z"}}]}}}