{"id":"CVE-2022-50318","state":"PUBLISHED","title":"perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()\n\npci_get_device() will increase the reference count for the returned\n'dev'. We need to call pci_dev_put() to decrease the reference count.\nSince 'dev' is only used in pci_read_config_dword(), let's add\npci_dev_put() right after it.","publishedAt":"2025-09-15T14:48:51.035Z","updatedAt":"2026-05-23T15:24:15.241Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a8e87042482fd2d31c5cee62875b2ae75759ae8b","status":"affected","lessThan":"5a96c10a56037db006ba6769307a9731cf6073be","versionType":"git"},{"version":"319a06e58ed7f1443f7133c05513de470f90628d","status":"affected","lessThan":"e293263248f25c6b8aa1caf7c1103d40aa03311e","versionType":"git"},{"version":"6f8315e5d9511ed1cf28ee2afbc9f89ff693de7b","status":"affected","lessThan":"c0539d5d474ee6fa4ebc41f927a0f98f81244f25","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"3485f197518061371568f842405159aa9e4df551","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"48f32b9a74e2ac8e854bb87bfefdbc745125a123","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"bd66877c0b3b42eed0ecee0bd2a2a505c1e54177","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"1ff9dd6e7071a561f803135c1d684b13c7a7d01d","versionType":"git"},{"version":"d2c79105a90323a2a93484c85f9ac419ae9b183d","status":"affected","versionType":"git"},{"version":"4.19.189","status":"affected","lessThan":"4.19.270","versionType":"semver"},{"version":"5.4.115","status":"affected","lessThan":"5.4.229","versionType":"semver"},{"version":"5.10.33","status":"affected","lessThan":"5.10.163","versionType":"semver"},{"version":"5.11.17","status":"affected","lessThan":"5.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/intel/uncore_snbep.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/intel/uncore_snbep.c"]}],"references":["https://git.kernel.org/stable/c/5a96c10a56037db006ba6769307a9731cf6073be","https://git.kernel.org/stable/c/e293263248f25c6b8aa1caf7c1103d40aa03311e","https://git.kernel.org/stable/c/c0539d5d474ee6fa4ebc41f927a0f98f81244f25","https://git.kernel.org/stable/c/3485f197518061371568f842405159aa9e4df551","https://git.kernel.org/stable/c/48f32b9a74e2ac8e854bb87bfefdbc745125a123","https://git.kernel.org/stable/c/bd66877c0b3b42eed0ecee0bd2a2a505c1e54177","https://git.kernel.org/stable/c/1ff9dd6e7071a561f803135c1d684b13c7a7d01d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:05:26.763Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2022/50xxx/CVE-2022-50318.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2022-50318","state":"PUBLISHED","datePublished":"2025-09-15T14:48:51.035Z","dateUpdated":"2026-05-23T15:24:15.241Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-09-15T14:18:36.814Z"},"containers":{"cna":{"title":"perf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nperf/x86/intel/uncore: Fix reference count leak in hswep_has_limit_sbox()\n\npci_get_device() will increase the reference count for the returned\n'dev'. We need to call pci_dev_put() to decrease the reference count.\nSince 'dev' is only used in pci_read_config_dword(), let's add\npci_dev_put() right after it."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"a8e87042482fd2d31c5cee62875b2ae75759ae8b","status":"affected","lessThan":"5a96c10a56037db006ba6769307a9731cf6073be","versionType":"git"},{"version":"319a06e58ed7f1443f7133c05513de470f90628d","status":"affected","lessThan":"e293263248f25c6b8aa1caf7c1103d40aa03311e","versionType":"git"},{"version":"6f8315e5d9511ed1cf28ee2afbc9f89ff693de7b","status":"affected","lessThan":"c0539d5d474ee6fa4ebc41f927a0f98f81244f25","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"3485f197518061371568f842405159aa9e4df551","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"48f32b9a74e2ac8e854bb87bfefdbc745125a123","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"bd66877c0b3b42eed0ecee0bd2a2a505c1e54177","versionType":"git"},{"version":"9d480158ee86ad606d3a8baaf81e6b71acbfd7d5","status":"affected","lessThan":"1ff9dd6e7071a561f803135c1d684b13c7a7d01d","versionType":"git"},{"version":"d2c79105a90323a2a93484c85f9ac419ae9b183d","status":"affected","versionType":"git"},{"version":"4.19.189","status":"affected","lessThan":"4.19.270","versionType":"semver"},{"version":"5.4.115","status":"affected","lessThan":"5.4.229","versionType":"semver"},{"version":"5.10.33","status":"affected","lessThan":"5.10.163","versionType":"semver"},{"version":"5.11.17","status":"affected","lessThan":"5.12","versionType":"semver"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/intel/uncore_snbep.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"4.19.270","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.229","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.163","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.15.86","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.0.16","status":"unaffected","lessThanOrEqual":"6.0.*","versionType":"semver"},{"version":"6.1.2","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["arch/x86/events/intel/uncore_snbep.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/5a96c10a56037db006ba6769307a9731cf6073be"},{"url":"https://git.kernel.org/stable/c/e293263248f25c6b8aa1caf7c1103d40aa03311e"},{"url":"https://git.kernel.org/stable/c/c0539d5d474ee6fa4ebc41f927a0f98f81244f25"},{"url":"https://git.kernel.org/stable/c/3485f197518061371568f842405159aa9e4df551"},{"url":"https://git.kernel.org/stable/c/48f32b9a74e2ac8e854bb87bfefdbc745125a123"},{"url":"https://git.kernel.org/stable/c/bd66877c0b3b42eed0ecee0bd2a2a505c1e54177"},{"url":"https://git.kernel.org/stable/c/1ff9dd6e7071a561f803135c1d684b13c7a7d01d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-23T15:24:15.241Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.19.189","versionEndExcluding":"4.19.270"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.4.115","versionEndExcluding":"5.4.229"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.10.33","versionEndExcluding":"5.10.163"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.86"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.0.16"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.2"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.11.17"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}