{"id":"CVE-2026-72306","state":"PUBLISHED","title":"vduse: Fix race in vduse_dev_msg_sync and vduse_dev_read_iter","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nvduse: Fix race in vduse_dev_msg_sync and vduse_dev_read_iter\n\nThere is one race case in vduse_dev_msg_sync and vduse_dev_read_iter:\n\nvduse_dev_read_iter():\n    lock(msg_lock);\n    dequeue_msg(send_list);\n    unlock(msg_lock);\nvduse_dev_msg_sync():\n    wait_timeout() finish\n    lock(msg_lock);\n    check msg->complete is false\n        list_del(msg);   <- double list_del() crash!\n\nTo fix this case, we shall ensure vduse_msg is on send_list or recv_list\noutside the msg_lock critical section.","publishedAt":"2026-08-15T05:55:23.532Z","updatedAt":"2026-08-17T05:12:10.666Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"c83ad3dfa6d9953d5ce6839416bf5a1bfc50285a","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"09723f26ed801c083e914cec4cc0e1af4b933dc7","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"d7e7c813834c6c05c26033456ab7169e2f9c99eb","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"3755965adbb617f4283ac6ccd351ed0676843cba","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"d8715b5a8fdb23fef576700e71d0c253dbeddad4","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"8062ff9d366c4bc4ae775e14eac9a769f20c60dd","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"ae9c13b6fd79087cc5a216ee1649b6f012c2a238","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/vdpa_user/vduse_dev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/vdpa_user/vduse_dev.c"]}],"references":["https://git.kernel.org/stable/c/c83ad3dfa6d9953d5ce6839416bf5a1bfc50285a","https://git.kernel.org/stable/c/09723f26ed801c083e914cec4cc0e1af4b933dc7","https://git.kernel.org/stable/c/d7e7c813834c6c05c26033456ab7169e2f9c99eb","https://git.kernel.org/stable/c/3755965adbb617f4283ac6ccd351ed0676843cba","https://git.kernel.org/stable/c/d8715b5a8fdb23fef576700e71d0c253dbeddad4","https://git.kernel.org/stable/c/8062ff9d366c4bc4ae775e14eac9a769f20c60dd","https://git.kernel.org/stable/c/ae9c13b6fd79087cc5a216ee1649b6f012c2a238"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:58.252Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/72xxx/CVE-2026-72306.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-72306","state":"PUBLISHED","datePublished":"2026-08-15T05:55:23.532Z","dateUpdated":"2026-08-17T05:12:10.666Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-08-09T03:40:39.918Z"},"containers":{"cna":{"title":"vduse: Fix race in vduse_dev_msg_sync and vduse_dev_read_iter","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nvduse: Fix race in vduse_dev_msg_sync and vduse_dev_read_iter\n\nThere is one race case in vduse_dev_msg_sync and vduse_dev_read_iter:\n\nvduse_dev_read_iter():\n    lock(msg_lock);\n    dequeue_msg(send_list);\n    unlock(msg_lock);\nvduse_dev_msg_sync():\n    wait_timeout() finish\n    lock(msg_lock);\n    check msg->complete is false\n        list_del(msg);   <- double list_del() crash!\n\nTo fix this case, we shall ensure vduse_msg is on send_list or recv_list\noutside the msg_lock critical section."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"c83ad3dfa6d9953d5ce6839416bf5a1bfc50285a","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"09723f26ed801c083e914cec4cc0e1af4b933dc7","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"d7e7c813834c6c05c26033456ab7169e2f9c99eb","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"3755965adbb617f4283ac6ccd351ed0676843cba","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"d8715b5a8fdb23fef576700e71d0c253dbeddad4","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"8062ff9d366c4bc4ae775e14eac9a769f20c60dd","versionType":"git"},{"version":"c8a6153b6c59d95c0e091f053f6f180952ade91e","status":"affected","lessThan":"ae9c13b6fd79087cc5a216ee1649b6f012c2a238","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/vdpa_user/vduse_dev.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.15","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.15","versionType":"semver"},{"version":"5.15.212","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.178","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.145","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.97","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.40","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.5","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/vdpa/vdpa_user/vduse_dev.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c83ad3dfa6d9953d5ce6839416bf5a1bfc50285a"},{"url":"https://git.kernel.org/stable/c/09723f26ed801c083e914cec4cc0e1af4b933dc7"},{"url":"https://git.kernel.org/stable/c/d7e7c813834c6c05c26033456ab7169e2f9c99eb"},{"url":"https://git.kernel.org/stable/c/3755965adbb617f4283ac6ccd351ed0676843cba"},{"url":"https://git.kernel.org/stable/c/d8715b5a8fdb23fef576700e71d0c253dbeddad4"},{"url":"https://git.kernel.org/stable/c/8062ff9d366c4bc4ae775e14eac9a769f20c60dd"},{"url":"https://git.kernel.org/stable/c/ae9c13b6fd79087cc5a216ee1649b6f012c2a238"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-17T05:12:10.666Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"5.15.212"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.1.178"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.6.145"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.12.97"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"6.18.40"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.1.5"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.15","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}