{
"id": "GHSA-4xqq-q6wp-w8h4",
"aliases": [
"CVE-2021-44733"
],
"details": "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": [],
"modified": "2024-03-25T03:31:43Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
}
],
"published": "2021-12-23T00:01:30Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44733",
"type": "ADVISORY"
},
{
"url": "https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=dfd0743f1d9ea76931510ed150334d571fbab49d",
"type": "WEB"
},
{
"url": "https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/log/drivers/tee/tee_shm.c",
"type": "WEB"
},
{
"url": "https://github.com/pjlantz/optee-qemu/blob/main/README.md",
"type": "WEB"
},
{
"url": "https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html",
"type": "WEB"
},
{
"url": "https://lore.kernel.org/lkml/20211215092501.1861229-1-jens.wiklander%40linaro.org",
"type": "WEB"
},
{
"url": "https://lore.kernel.org/lkml/[email protected] ",
"type": "WEB"
},
{
"url": "https://security.netapp.com/advisory/ntap-20220114-0003",
"type": "WEB"
},
{
"url": "https://www.debian.org/security/2022/dsa-5096",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-362",
"CWE-416"
],
"severity": "HIGH",
"github_reviewed": false,
"nvd_published_at": "2021-12-22T17:15:00Z",
"github_reviewed_at": null
}
}