{"id":"CVE-2026-64171","state":"PUBLISHED","title":"i2c: tegra: fix pm_runtime leak on mutex_lock failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: tegra: fix pm_runtime leak on mutex_lock failure\n\nIf tegra_i2c_mutex_lock() fails, the function returns without calling\npm_runtime_put(), leaking the runtime PM reference acquired by the\npreceding pm_runtime_get_sync(). This prevents the device from ever\nentering runtime suspend.\n\nAdd the missing pm_runtime_put() before returning on lock failure.","publishedAt":"2026-07-19T15:40:56.071Z","updatedAt":"2026-07-19T15:40:56.071Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6077cfd716fbd4d1f2a3702e49ae8bf65c072685","status":"affected","lessThan":"8f7ed203b39004c02479a9156089d87d1ac2c1d8","versionType":"git"},{"version":"6077cfd716fbd4d1f2a3702e49ae8bf65c072685","status":"affected","lessThan":"57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-tegra.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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-tegra.c"]}],"references":["https://git.kernel.org/stable/c/8f7ed203b39004c02479a9156089d87d1ac2c1d8","https://git.kernel.org/stable/c/57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:41.951Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/64xxx/CVE-2026-64171.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-64171","state":"PUBLISHED","datePublished":"2026-07-19T15:40:56.071Z","dateUpdated":"2026-07-19T15:40:56.071Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-19T07:54:57.039Z"},"containers":{"cna":{"title":"i2c: tegra: fix pm_runtime leak on mutex_lock failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ni2c: tegra: fix pm_runtime leak on mutex_lock failure\n\nIf tegra_i2c_mutex_lock() fails, the function returns without calling\npm_runtime_put(), leaking the runtime PM reference acquired by the\npreceding pm_runtime_get_sync(). This prevents the device from ever\nentering runtime suspend.\n\nAdd the missing pm_runtime_put() before returning on lock failure."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"6077cfd716fbd4d1f2a3702e49ae8bf65c072685","status":"affected","lessThan":"8f7ed203b39004c02479a9156089d87d1ac2c1d8","versionType":"git"},{"version":"6077cfd716fbd4d1f2a3702e49ae8bf65c072685","status":"affected","lessThan":"57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/i2c/busses/i2c-tegra.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"7.0","status":"affected"},{"version":"0","status":"unaffected","lessThan":"7.0","versionType":"semver"},{"version":"7.0.11","status":"unaffected","lessThanOrEqual":"7.0.*","versionType":"semver"},{"version":"7.1","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-tegra.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8f7ed203b39004c02479a9156089d87d1ac2c1d8"},{"url":"https://git.kernel.org/stable/c/57cf4e8d6a57dc2ef5810f4852a23ba4c71b74bb"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-07-19T15:40:56.071Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.0.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.1"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}