{"id":"CVE-2023-53277","state":"PUBLISHED","title":"wifi: iwl3945: Add missing check for create_singlethread_workqueue","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwl3945: Add missing check for create_singlethread_workqueue\n\nAdd the check for the return value of the create_singlethread_workqueue\nin order to avoid NULL pointer dereference.","publishedAt":"2025-09-16T08:11:12.194Z","updatedAt":"2026-05-11T19:41:48.759Z","severity":{"score":5.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"3ae2fc4de12686f3fe695824169c1272c9f798f7","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"7e594abc0424e4f8c2385f11aefeaadcfc507aa5","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"2f80b3ff92514ebd227e5c55d3d1e480401b02b7","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"505c74c4c0b1c5bcaa98a93b3087c268156070f1","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"34f611204ae589bd5c494b10b41fb13436bd3c3f","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"17e07d6587c55015956862ef3b101fd45fa49fbc","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlegacy/3945-mac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/intel/iwlegacy/3945-mac.c"]}],"references":["https://git.kernel.org/stable/c/3ae2fc4de12686f3fe695824169c1272c9f798f7","https://git.kernel.org/stable/c/7e594abc0424e4f8c2385f11aefeaadcfc507aa5","https://git.kernel.org/stable/c/2f80b3ff92514ebd227e5c55d3d1e480401b02b7","https://git.kernel.org/stable/c/505c74c4c0b1c5bcaa98a93b3087c268156070f1","https://git.kernel.org/stable/c/34f611204ae589bd5c494b10b41fb13436bd3c3f","https://git.kernel.org/stable/c/17e07d6587c55015956862ef3b101fd45fa49fbc","https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:06:33.064Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/53xxx/CVE-2023-53277.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-53277","state":"PUBLISHED","datePublished":"2025-09-16T08:11:12.194Z","dateUpdated":"2026-05-11T19:41:48.759Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-16T08:09:37.990Z"},"containers":{"cna":{"title":"wifi: iwl3945: Add missing check for create_singlethread_workqueue","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwl3945: Add missing check for create_singlethread_workqueue\n\nAdd the check for the return value of the create_singlethread_workqueue\nin order to avoid NULL pointer dereference."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"3ae2fc4de12686f3fe695824169c1272c9f798f7","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"7e594abc0424e4f8c2385f11aefeaadcfc507aa5","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"2f80b3ff92514ebd227e5c55d3d1e480401b02b7","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"505c74c4c0b1c5bcaa98a93b3087c268156070f1","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"34f611204ae589bd5c494b10b41fb13436bd3c3f","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"17e07d6587c55015956862ef3b101fd45fa49fbc","versionType":"git"},{"version":"b481de9ca074528fe8c429604e2777db8b89806a","status":"affected","lessThan":"1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/wireless/intel/iwlegacy/3945-mac.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"2.6.24","status":"affected"},{"version":"0","status":"unaffected","lessThan":"2.6.24","versionType":"semver"},{"version":"4.19.276","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.235","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.173","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.99","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.16","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.3","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","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/intel/iwlegacy/3945-mac.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3ae2fc4de12686f3fe695824169c1272c9f798f7"},{"url":"https://git.kernel.org/stable/c/7e594abc0424e4f8c2385f11aefeaadcfc507aa5"},{"url":"https://git.kernel.org/stable/c/2f80b3ff92514ebd227e5c55d3d1e480401b02b7"},{"url":"https://git.kernel.org/stable/c/505c74c4c0b1c5bcaa98a93b3087c268156070f1"},{"url":"https://git.kernel.org/stable/c/34f611204ae589bd5c494b10b41fb13436bd3c3f"},{"url":"https://git.kernel.org/stable/c/17e07d6587c55015956862ef3b101fd45fa49fbc"},{"url":"https://git.kernel.org/stable/c/1fdeb8b9f29dfd64805bb49475ac7566a3cb06cb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:41:48.759Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"4.19.276"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.4.235"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.10.173"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"5.15.99"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.1.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.2.3"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"2.6.24","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":5.5,"attackVector":"LOCAL","baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"id":"CVE-2023-53277","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2026-01-14T18:07:21.521750Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","lang":"en","type":"CWE","description":"CWE-476 NULL Pointer Dereference"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-01-14T18:12:54.271Z"}}]}}}