CVE-2022-50034
גבוהה 7.8
תיאור (מקור, אנגלית)
In the Linux kernel, the following vulnerability has been resolved: usb: cdns3 fix use-after-free at workaround 2 BUG: KFENCE: use-after-free read in __list_del_entry_valid+0x10/0xac cdns3_wa2_remove_old_request() { ... kfree(priv_req->request.buf); cdns3_gadget_ep_free_request(&priv_ep->endpoint, &priv_req->request); list_del_init(&priv_req->list); ^^^ use after free ... } cdns3_gadget_ep_free_request() free the space pointed by priv_req, but priv_req is used in the following list_del_init(). This patch move list_del_init() before cdns3_gadget_ep_free_request().
מדדים
- CVSS 3.1
-
7.8 (HIGH)
מקור הציון: NVD
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — סבירות ניצול
- 0% (אחוזון 000) נכון ל-20/9/2026
- CWE
- CWE-416
מוצרים מושפעים
linux: linux kernel
קישורים
- https://git.kernel.org/stable/c/6d7ac60098b206d0472475b666cb09d556bec03d Patch
- https://git.kernel.org/stable/c/6fd50446e7c9a98b4bcf96815f5c9602a16ea472 Patch
- https://git.kernel.org/stable/c/7d602f30149a117eea260208b1661bc404c21dfd Patch
- https://git.kernel.org/stable/c/c3c1dbad3a2db32ecf371c97f2058491b8ba0f9a Patch
- https://git.kernel.org/stable/c/e65d9b7147d7be3504893ca7dfb85286bda83d40 Patch