{"id":"CVE-2020-36781","state":"PUBLISHED","title":"i2c: imx: fix reference leak when pm_runtime_get_sync fails","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: imx: fix reference leak when pm_runtime_get_sync fails\n\nIn i2c_imx_xfer() and i2c_imx_remove(), the pm reference count\nis not expected to be incremented on return.\n\nHowever, pm_runtime_get_sync will increment pm reference count\neven failed. Forgetting to putting operation will result in a\nreference leak here.\n\nReplace it with pm_runtime_resume_and_get to keep usage\ncounter balanced.","publishedAt":"2024-02-28T08:13:03.496Z","updatedAt":"2026-05-11T13:42:46.520Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"3a0cdd336d92c429b51a79bf4f64b17eafa0325d","versionType":"git"},{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77","versionType":"git"},{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"ff406f6cd09c273337ab4854292e4aca48f8affd","versionType":"git"},{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"47ff617217ca6a13194fcb35c6c3a0c57c080693","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-imx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","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-imx.c"]}],"references":["https://git.kernel.org/stable/c/3a0cdd336d92c429b51a79bf4f64b17eafa0325d","https://git.kernel.org/stable/c/1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77","https://git.kernel.org/stable/c/ff406f6cd09c273337ab4854292e4aca48f8affd","https://git.kernel.org/stable/c/47ff617217ca6a13194fcb35c6c3a0c57c080693"],"weaknesses":[],"ingestedAt":"2026-10-29T19:47:24.909Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2020/36xxx/CVE-2020-36781.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2020-36781","state":"PUBLISHED","datePublished":"2024-02-28T08:13:03.496Z","dateUpdated":"2026-05-11T13:42:46.520Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-26T17:07:27.434Z"},"containers":{"cna":{"title":"i2c: imx: 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: imx: fix reference leak when pm_runtime_get_sync fails\n\nIn i2c_imx_xfer() and i2c_imx_remove(), the pm reference count\nis not expected to be incremented on return.\n\nHowever, pm_runtime_get_sync will increment pm reference count\neven failed. Forgetting to putting operation will result in a\nreference leak here.\n\nReplace it with pm_runtime_resume_and_get to keep usage\ncounter balanced."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"3a0cdd336d92c429b51a79bf4f64b17eafa0325d","versionType":"git"},{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77","versionType":"git"},{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"ff406f6cd09c273337ab4854292e4aca48f8affd","versionType":"git"},{"version":"3a5ee18d2a32bda6b9a1260136f6805848e3839d","status":"affected","lessThan":"47ff617217ca6a13194fcb35c6c3a0c57c080693","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-imx.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.7","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-imx.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/3a0cdd336d92c429b51a79bf4f64b17eafa0325d"},{"url":"https://git.kernel.org/stable/c/1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77"},{"url":"https://git.kernel.org/stable/c/ff406f6cd09c273337ab4854292e4aca48f8affd"},{"url":"https://git.kernel.org/stable/c/47ff617217ca6a13194fcb35c6c3a0c57c080693"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T13:42:46.520Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.10.37"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.11.21"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.12.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.7","versionEndExcluding":"5.13"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2020-36781","role":"CISA Coordinator","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"version":"2.0.3","timestamp":"2024-03-05T16:48:43.385130Z"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-06-04T17:12:24.973Z"}},{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/stable/c/3a0cdd336d92c429b51a79bf4f64b17eafa0325d","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/1ecc0ebc2ebbad4a22a670a07d27a21fa0b59c77","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/ff406f6cd09c273337ab4854292e4aca48f8affd","tags":["x_transferred"]},{"url":"https://git.kernel.org/stable/c/47ff617217ca6a13194fcb35c6c3a0c57c080693","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T17:37:07.277Z"}}]}}}