{"id":"CVE-2022-49186","state":"PUBLISHED","title":"clk: visconti: prevent array overflow in visconti_clk_register_gates()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nclk: visconti: prevent array overflow in visconti_clk_register_gates()\n\nThis code was using -1 to represent that there was no reset function.\nUnfortunately, the -1 was stored in u8 so the if (clks[i].rs_id >= 0)\ncondition was always true.  This lead to an out of bounds access in\nvisconti_clk_register_gates().","publishedAt":"2025-02-26T01:55:35.590Z","updatedAt":"2026-05-11T18:54:46.985Z","severity":{"score":7.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"2723543c1d60278d5aef1c4ad732dbad24b84a81","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"c5601e0720ce1a3ad895f94a5838530edde01ed3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/visconti/clkc-tmpv770x.c","drivers/clk/visconti/clkc.c","drivers/clk/visconti/clkc.h"]},{"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/clk/visconti/clkc-tmpv770x.c","drivers/clk/visconti/clkc.c","drivers/clk/visconti/clkc.h"]}],"references":["https://git.kernel.org/stable/c/2723543c1d60278d5aef1c4ad732dbad24b84a81","https://git.kernel.org/stable/c/c5601e0720ce1a3ad895f94a5838530edde01ed3"],"weaknesses":["CWE-129"],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/49xxx/CVE-2022-49186.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-49186","state":"PUBLISHED","datePublished":"2025-02-26T01:55:35.590Z","dateUpdated":"2026-05-11T18:54:46.985Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-02-26T01:49:39.285Z"},"containers":{"cna":{"title":"clk: visconti: prevent array overflow in visconti_clk_register_gates()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nclk: visconti: prevent array overflow in visconti_clk_register_gates()\n\nThis code was using -1 to represent that there was no reset function.\nUnfortunately, the -1 was stored in u8 so the if (clks[i].rs_id >= 0)\ncondition was always true.  This lead to an out of bounds access in\nvisconti_clk_register_gates()."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"2723543c1d60278d5aef1c4ad732dbad24b84a81","versionType":"git"},{"version":"b4cbe606dc3674b25cb661e7cd1a1c6ddaaafaaa","status":"affected","lessThan":"c5601e0720ce1a3ad895f94a5838530edde01ed3","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/clk/visconti/clkc-tmpv770x.c","drivers/clk/visconti/clkc.c","drivers/clk/visconti/clkc.h"]},{"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/clk/visconti/clkc-tmpv770x.c","drivers/clk/visconti/clkc.c","drivers/clk/visconti/clkc.h"]}],"references":[{"url":"https://git.kernel.org/stable/c/2723543c1d60278d5aef1c4ad732dbad24b84a81"},{"url":"https://git.kernel.org/stable/c/c5601e0720ce1a3ad895f94a5838530edde01ed3"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T18:54:46.985Z"},"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"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.8,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"id":"CVE-2022-49186","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2025-10-01T19:47:22.612139Z"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-129","lang":"en","type":"CWE","description":"CWE-129 Improper Validation of Array Index"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-10-01T19:56:59.343Z"}}]}}}