{"id":"CVE-2022-49177","state":"PUBLISHED","title":"hwrng: cavium - fix NULL but dereferenced coccicheck error","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwrng: cavium - fix NULL but dereferenced coccicheck error\n\nFix following coccicheck warning:\n./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR:\npdev is NULL but dereferenced.","publishedAt":"2025-02-26T01:55:31.078Z","updatedAt":"2026-05-23T15:21:40.772Z","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":"680efb33546be8960ccbb2f4e0e43034d9c93b30","status":"affected","lessThan":"e47b12f9415169eceda6770fcf45802e0c8d2a66","versionType":"git"},{"version":"680efb33546be8960ccbb2f4e0e43034d9c93b30","status":"affected","lessThan":"e6205ad58a7ac194abfb33897585b38687d797fa","versionType":"git"},{"version":"bc20294cc8da53c0dc0f5a076b4883be6ec96930","status":"affected","versionType":"git"},{"version":"7919dfd84b352782df92c1ff2f0ca4dd5328d198","status":"affected","versionType":"git"},{"version":"cc744db61229b6c55164b8cbdfaad4caacce62f9","status":"affected","versionType":"git"},{"version":"5.10.110","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.33","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"5.16.19","status":"affected","lessThan":"5.17","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/hw_random/cavium-rng-vf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","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/char/hw_random/cavium-rng-vf.c"]}],"references":["https://git.kernel.org/stable/c/e47b12f9415169eceda6770fcf45802e0c8d2a66","https://git.kernel.org/stable/c/e6205ad58a7ac194abfb33897585b38687d797fa"],"weaknesses":["CWE-476"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49177.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49177","state":"PUBLISHED","datePublished":"2025-02-26T01:55:31.078Z","dateUpdated":"2026-05-23T15:21:40.772Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.281Z"},"containers":{"cna":{"title":"hwrng: cavium - fix NULL but dereferenced coccicheck error","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nhwrng: cavium - fix NULL but dereferenced coccicheck error\n\nFix following coccicheck warning:\n./drivers/char/hw_random/cavium-rng-vf.c:182:17-20: ERROR:\npdev is NULL but dereferenced."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"680efb33546be8960ccbb2f4e0e43034d9c93b30","status":"affected","lessThan":"e47b12f9415169eceda6770fcf45802e0c8d2a66","versionType":"git"},{"version":"680efb33546be8960ccbb2f4e0e43034d9c93b30","status":"affected","lessThan":"e6205ad58a7ac194abfb33897585b38687d797fa","versionType":"git"},{"version":"bc20294cc8da53c0dc0f5a076b4883be6ec96930","status":"affected","versionType":"git"},{"version":"7919dfd84b352782df92c1ff2f0ca4dd5328d198","status":"affected","versionType":"git"},{"version":"cc744db61229b6c55164b8cbdfaad4caacce62f9","status":"affected","versionType":"git"},{"version":"5.10.110","status":"affected","lessThan":"5.11","versionType":"semver"},{"version":"5.15.33","status":"affected","lessThan":"5.16","versionType":"semver"},{"version":"5.16.19","status":"affected","lessThan":"5.17","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/hw_random/cavium-rng-vf.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.17","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.17","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/char/hw_random/cavium-rng-vf.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/e47b12f9415169eceda6770fcf45802e0c8d2a66"},{"url":"https://git.kernel.org/stable/c/e6205ad58a7ac194abfb33897585b38687d797fa"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:21:40.772Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.17.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.18"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.110"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15.33"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.16.19"}]}]}],"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-2022-49177","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2025-10-01T19:47:36.860050Z"}}}],"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":"2025-10-01T19:56:59.997Z"}}]}}}