{"id":"CVE-2021-44733","state":"PUBLISHED","title":"A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an ","description":"A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object.","publishedAt":"2021-12-22T00:00:00.000Z","updatedAt":"2024-08-04T04:32:12.309Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/tee/tee_shm.c","https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander%40linaro.org/","https://github.com/pjlantz/optee-qemu/blob/main/README.md","https://security.netapp.com/advisory/ntap-20220114-0003/","https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html","https://www.debian.org/security/2022/dsa-5096","https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0743f1d9ea76931510ed150334d571fbab49d"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:10.699Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/44xxx/CVE-2021-44733.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-44733","state":"PUBLISHED","datePublished":"2021-12-22T00:00:00.000Z","dateUpdated":"2024-08-04T04:32:12.309Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-12-08T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"A use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem in the Linux kernel through 5.15.11. This occurs because of a race condition in tee_shm_get_from_id during an attempt to free a shared memory object."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/tee/tee_shm.c"},{"url":"https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander%40linaro.org/"},{"url":"https://github.com/pjlantz/optee-qemu/blob/main/README.md"},{"url":"https://security.netapp.com/advisory/ntap-20220114-0003/"},{"url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html","name":"[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update","tags":["mailing-list"]},{"url":"https://www.debian.org/security/2022/dsa-5096","name":"DSA-5096","tags":["vendor-advisory"]},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0743f1d9ea76931510ed150334d571fbab49d"}],"problemTypes":[{"descriptions":[{"type":"text","lang":"en","description":"n/a"}]}],"providerMetadata":{"shortName":"mitre","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateUpdated":"2024-03-25T00:39:22.799Z"}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/tee/tee_shm.c","tags":["x_transferred"]},{"url":"https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander%40linaro.org/","tags":["x_transferred"]},{"url":"https://github.com/pjlantz/optee-qemu/blob/main/README.md","tags":["x_transferred"]},{"url":"https://security.netapp.com/advisory/ntap-20220114-0003/","tags":["x_transferred"]},{"url":"https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html","name":"[debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update","tags":["mailing-list","x_transferred"]},{"url":"https://www.debian.org/security/2022/dsa-5096","name":"DSA-5096","tags":["vendor-advisory","x_transferred"]},{"url":"https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0743f1d9ea76931510ed150334d571fbab49d","tags":["x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-04T04:32:12.309Z"}}]}}}