{"id":"CVE-2026-45941","state":"PUBLISHED","title":"tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure\n\nget_burstcount() can return -EBUSY on timeout. When this happens, the\nfunction returns directly without releasing the locality that was\nacquired at the beginning of tpm_tis_i2c_send().\n\nUse goto out_err to ensure proper cleanup when get_burstcount() fails.","publishedAt":"2026-05-27T12:17:57.155Z","updatedAt":"2026-05-27T12:17:57.155Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"8f124c5582d443ac9fb690db26d08cab5d6ba76e","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"c24c9c4cab11858f22f309521ba7ea5b1e7385f2","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"1bb8f8826d0748b4b92a98fb6b6dfe52081739f5","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"948966e546f29af04391d98b8e378e4a7670c1c1","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"a61b8412e3eb8b71646dba867e8252d8560a1a27","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"1a22048c1117cdfac185ba450aba67ed6b65dc87","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"2f7a665e1323359d99c74301d1e180f5e2c40181","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"bbd6e97c836cbeb9606d7b7e5dcf8a1d89525713","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_i2c_infineon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_i2c_infineon.c"]}],"references":["https://git.kernel.org/stable/c/8f124c5582d443ac9fb690db26d08cab5d6ba76e","https://git.kernel.org/stable/c/c24c9c4cab11858f22f309521ba7ea5b1e7385f2","https://git.kernel.org/stable/c/1bb8f8826d0748b4b92a98fb6b6dfe52081739f5","https://git.kernel.org/stable/c/948966e546f29af04391d98b8e378e4a7670c1c1","https://git.kernel.org/stable/c/a61b8412e3eb8b71646dba867e8252d8560a1a27","https://git.kernel.org/stable/c/1a22048c1117cdfac185ba450aba67ed6b65dc87","https://git.kernel.org/stable/c/2f7a665e1323359d99c74301d1e180f5e2c40181","https://git.kernel.org/stable/c/bbd6e97c836cbeb9606d7b7e5dcf8a1d89525713"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:07.131Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/45xxx/CVE-2026-45941.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-45941","state":"PUBLISHED","datePublished":"2026-05-27T12:17:57.155Z","dateUpdated":"2026-05-27T12:17:57.155Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-05-13T15:03:33.087Z"},"containers":{"cna":{"title":"tpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ntpm: tpm_i2c_infineon: Fix locality leak on get_burstcount() failure\n\nget_burstcount() can return -EBUSY on timeout. When this happens, the\nfunction returns directly without releasing the locality that was\nacquired at the beginning of tpm_tis_i2c_send().\n\nUse goto out_err to ensure proper cleanup when get_burstcount() fails."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"8f124c5582d443ac9fb690db26d08cab5d6ba76e","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"c24c9c4cab11858f22f309521ba7ea5b1e7385f2","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"1bb8f8826d0748b4b92a98fb6b6dfe52081739f5","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"948966e546f29af04391d98b8e378e4a7670c1c1","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"a61b8412e3eb8b71646dba867e8252d8560a1a27","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"1a22048c1117cdfac185ba450aba67ed6b65dc87","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"2f7a665e1323359d99c74301d1e180f5e2c40181","versionType":"git"},{"version":"aad628c1d91a6db57e572e4c1f35e863d81061d7","status":"affected","lessThan":"bbd6e97c836cbeb9606d7b7e5dcf8a1d89525713","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_i2c_infineon.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"3.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"3.7","versionType":"semver"},{"version":"5.10.252","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.202","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.165","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.128","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.75","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.14","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"6.19.4","status":"unaffected","lessThanOrEqual":"6.19.*","versionType":"semver"},{"version":"7.0","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/char/tpm/tpm_i2c_infineon.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/8f124c5582d443ac9fb690db26d08cab5d6ba76e"},{"url":"https://git.kernel.org/stable/c/c24c9c4cab11858f22f309521ba7ea5b1e7385f2"},{"url":"https://git.kernel.org/stable/c/1bb8f8826d0748b4b92a98fb6b6dfe52081739f5"},{"url":"https://git.kernel.org/stable/c/948966e546f29af04391d98b8e378e4a7670c1c1"},{"url":"https://git.kernel.org/stable/c/a61b8412e3eb8b71646dba867e8252d8560a1a27"},{"url":"https://git.kernel.org/stable/c/1a22048c1117cdfac185ba450aba67ed6b65dc87"},{"url":"https://git.kernel.org/stable/c/2f7a665e1323359d99c74301d1e180f5e2c40181"},{"url":"https://git.kernel.org/stable/c/bbd6e97c836cbeb9606d7b7e5dcf8a1d89525713"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-27T12:17:57.155Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.10.252"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"5.15.202"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.1.165"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.6.128"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.12.75"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.18.14"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"6.19.4"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"3.7","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}