{"id":"CVE-2026-31529","state":"PUBLISHED","title":"cxl/region: Fix leakage in __construct_region()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncxl/region: Fix leakage in __construct_region()\n\nFailing the first sysfs_update_group() needs to explicitly\nkfree the resource as it is too early for cxl_region_iomem_release()\nto do so.","publishedAt":"2026-04-22T13:54:41.853Z","updatedAt":"2026-05-11T22:10:33.610Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d6602e25819dea2c239972e98e09ba5db4aebd22","status":"affected","lessThan":"f1b4741adf08b0063291ec1b0dfa9c3d55644933","versionType":"git"},{"version":"d6602e25819dea2c239972e98e09ba5db4aebd22","status":"affected","lessThan":"77b310bb7b5ff8c017524df83292e0242ba89791","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cxl/core/region.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.19.11","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/cxl/core/region.c"]}],"references":["https://git.kernel.org/stable/c/f1b4741adf08b0063291ec1b0dfa9c3d55644933","https://git.kernel.org/stable/c/77b310bb7b5ff8c017524df83292e0242ba89791"],"weaknesses":[],"ingestedAt":"2026-10-29T20:11:40.391Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/31xxx/CVE-2026-31529.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-31529","state":"PUBLISHED","datePublished":"2026-04-22T13:54:41.853Z","dateUpdated":"2026-05-11T22:10:33.610Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-03-09T15:48:24.111Z"},"containers":{"cna":{"title":"cxl/region: Fix leakage in __construct_region()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncxl/region: Fix leakage in __construct_region()\n\nFailing the first sysfs_update_group() needs to explicitly\nkfree the resource as it is too early for cxl_region_iomem_release()\nto do so."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d6602e25819dea2c239972e98e09ba5db4aebd22","status":"affected","lessThan":"f1b4741adf08b0063291ec1b0dfa9c3d55644933","versionType":"git"},{"version":"d6602e25819dea2c239972e98e09ba5db4aebd22","status":"affected","lessThan":"77b310bb7b5ff8c017524df83292e0242ba89791","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/cxl/core/region.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"6.19","status":"affected"},{"version":"0","status":"unaffected","lessThan":"6.19","versionType":"semver"},{"version":"6.19.11","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/cxl/core/region.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/f1b4741adf08b0063291ec1b0dfa9c3d55644933"},{"url":"https://git.kernel.org/stable/c/77b310bb7b5ff8c017524df83292e0242ba89791"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T22:10:33.610Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.11"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"7.0"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}