{"id":"CVE-2020-36780","state":"PUBLISHED","title":"i2c: sprd: fix reference leak when pm_runtime_get_sync fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: sprd: fix reference leak when pm_runtime_get_sync fails\n\nThe PM reference count is not expected to be incremented on\nreturn in sprd_i2c_master_xfer() and sprd_i2c_remove().\n\nHowever, pm_runtime_get_sync will increment the PM reference\ncount even failed. Forgetting to putting operation will result\nin a reference leak here.\n\nReplace it with pm_runtime_resume_and_get to keep usage\ncounter balanced.","publishedAt":"2024-02-28T08:13:02.875Z","updatedAt":"2026-05-11T13:42:45.319Z","severity":{"score":4.7,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:H/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":"8b9ec0719834fe66146d138d62ed66cef025c864","status":"affected","lessThan":"7e1764312440c5df9dfe6b436035a03673b0c1b9","versionType":"git"},{"version":"8b9ec0719834fe66146d138d62ed66cef025c864","status":"affected","lessThan":"e547640cee7981fd751d2c9cde3a61bdb678b755","versionType":"git"},{"version":"8b9ec0719834fe66146d138d62ed66cef025c864","status":"affected","lessThan":"9223505e938ba3db5907e058f4209770cff2f2a7","versionType":"git"},{"version":"8b9ec0719834fe66146d138d62ed66cef025c864","status":"affected","lessThan":"d3406ab52097328a3bc4cbe124bfd8f6d51fb86f","versionType":"git"},{"version":"8b9ec0719834fe66146d138d62ed66cef025c864","status":"affected","lessThan":"3a4f326463117cee3adcb72999ca34a9aaafda93","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-sprd.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.14","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.14","versionType":"semver"},{"version":"5.4.119","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.37","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.11.21","status":"unaffected","lessThanOrEqual":"5.11.*","versionType":"semver"},{"version":"5.12.4","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-sprd.c"]}],"references":["https://git.kernel.org/stable/c/7e1764312440c5df9dfe6b436035a03673b0c1b9","https://git.kernel.org/stable/c/e547640cee7981fd751d2c9cde3a61bdb678b755","https://git.kernel.org/stable/c/9223505e938ba3db5907e058f4209770cff2f2a7","https://git.kernel.org/stable/c/d3406ab52097328a3bc4cbe124bfd8f6d51fb86f","https://git.kernel.org/stable/c/3a4f326463117cee3adcb72999ca34a9aaafda93"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:24.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/36xxx/CVE-2020-36780.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2020-36780","state":"PUBLISHED","datePublished":"2024-02-28T08:13:02.875Z","dateUpdated":"2026-05-11T13:42:45.319Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-26T17:07:27.434Z"},"containers":{"cna":{"title":"i2c: sprd: fix reference leak when pm_runtime_get_sync fails","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: sprd: fix reference leak when pm_runtime_get_sync fails\n\nThe PM reference count is not expected to be incremented on\nreturn in sprd_i2c_master_xfer() and sprd_i2c_remove().\n\nHowever, pm_runtime_get_sync will increment the PM reference\ncount even failed. 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