{"id":"CVE-2022-49184","state":"PUBLISHED","title":"net: sparx5: switchdev: fix possible NULL pointer dereference","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sparx5: switchdev: fix possible NULL pointer dereference\n\nAs the possible failure of the allocation, devm_kzalloc() may return NULL\npointer.\nTherefore, it should be better to check the 'db' in order to prevent\nthe dereference of NULL pointer.","publishedAt":"2025-02-26T01:55:34.554Z","updatedAt":"2026-05-11T18:54:44.476Z","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":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"b375ea083fa649092cd016ac1f89a2d1fd8f8e8b","versionType":"git"},{"version":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"c346791877e6ce923bb21e34b30c6f99326aa5a8","versionType":"git"},{"version":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"e7e1fff76c4c57688dc7d53a3b6212182d5628d0","versionType":"git"},{"version":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"0906f3a3df07835e37077d8971aac65347f2ed57","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c"]}],"references":["https://git.kernel.org/stable/c/b375ea083fa649092cd016ac1f89a2d1fd8f8e8b","https://git.kernel.org/stable/c/c346791877e6ce923bb21e34b30c6f99326aa5a8","https://git.kernel.org/stable/c/e7e1fff76c4c57688dc7d53a3b6212182d5628d0","https://git.kernel.org/stable/c/0906f3a3df07835e37077d8971aac65347f2ed57"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49184.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49184","state":"PUBLISHED","datePublished":"2025-02-26T01:55:34.554Z","dateUpdated":"2026-05-11T18:54:44.476Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.284Z"},"containers":{"cna":{"title":"net: sparx5: switchdev: fix possible NULL pointer dereference","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: sparx5: switchdev: fix possible NULL pointer dereference\n\nAs the possible failure of the allocation, devm_kzalloc() may return NULL\npointer.\nTherefore, it should be better to check the 'db' in order to prevent\nthe dereference of NULL pointer."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"b375ea083fa649092cd016ac1f89a2d1fd8f8e8b","versionType":"git"},{"version":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"c346791877e6ce923bb21e34b30c6f99326aa5a8","versionType":"git"},{"version":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"e7e1fff76c4c57688dc7d53a3b6212182d5628d0","versionType":"git"},{"version":"10615907e9b51c9ae92f3a6ecabd01c482f20f32","status":"affected","lessThan":"0906f3a3df07835e37077d8971aac65347f2ed57","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.33","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"5.16.19","status":"unaffected","lessThanOrEqual":"5.16.*","versionType":"semver"},{"version":"5.17.2","status":"unaffected","lessThanOrEqual":"5.17.*","versionType":"semver"},{"version":"5.18","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/net/ethernet/microchip/sparx5/sparx5_fdma.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/b375ea083fa649092cd016ac1f89a2d1fd8f8e8b"},{"url":"https://git.kernel.org/stable/c/c346791877e6ce923bb21e34b30c6f99326aa5a8"},{"url":"https://git.kernel.org/stable/c/e7e1fff76c4c57688dc7d53a3b6212182d5628d0"},{"url":"https://git.kernel.org/stable/c/0906f3a3df07835e37077d8971aac65347f2ed57"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:54:44.476Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.16.19"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.18"}]}]}],"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-2022-49184","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:47:29.267166Z"}}}],"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":"2025-10-01T19:56:59.722Z"}}]}}}